path: root/doc/rfc/rfc3606.txt

Network Working Group                                              F. Ly
Request for Comments: 3606                             Pedestal Networks
Category: Standards Track                                        M. Noto
                                                           Cisco Systems
                                                                A. Smith
                                                              Consultant
                                                              E. Spiegel
                                                           Cisco Systems
                                                               K. Tesink
                                                  Telcordia Technologies
                                                           November 2003


     Definitions of Supplemental Managed Objects for ATM Interface

Status of this Memo

   This document specifies an Internet standards track protocol for the
   Internet community, and requests discussion and suggestions for
   improvements.  Please refer to the current edition of the "Internet
   Official Protocol Standards" (STD 1) for the standardization state
   and status of this protocol.  Distribution of this memo is unlimited.

Copyright Notice

   Copyright (C) The Internet Society (2003).  All Rights Reserved.

Abstract

   This memo defines objects used for managing ATM-based interfaces,
   devices, and services, in addition to those defined in RFC 2515, the
   ATM-MIB, to provide additional support for the management of ATM
   Switched Virtual Connections (SVCs) and ATM Permanent Virtual
   Connections (PVCs).

















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Table of Contents

   1.  The Internet-Standard Management Framework. . . . . . . . .   3
   2.  Overview. . . . . . . . . . . . . . . . . . . . . . . . . .   3
       2.1.  Background. . . . . . . . . . . . . . . . . . . . . .   3
       2.2.  Important Definitions . . . . . . . . . . . . . . . .   4
   3.  Conventions used in the MIB . . . . . . . . . . . . . . . .   6
       3.1.  Structure . . . . . . . . . . . . . . . . . . . . . .   6
             3.1.1.  ATM SVC VP Cross-Connect Table. . . . . . . .   6
             3.1.2.  ATM SVC VC Cross-Connect Table. . . . . . . .   7
             3.1.3.  ATM Interface Signalling Statistics Table . .   8
             3.1.4.  ATM Signalling Capability Support . . . . . .   9
             3.1.5.  Signalling Descriptor Parameter Table . . . .  10
             3.1.6.  ATM Interface Registered Address Table. . . .  10
             3.1.7.  ATM VPI/VCI to Address Mapping Table. . . . .  11
             3.1.8.  ATM Address to VPI/VCI Mapping Table. . . . .  11
             3.1.9.  ATM VPL Statistics Table. . . . . . . . . . .  11
             3.1.10. ATM VPL Logical Port Table. . . . . . . . . .  12
             3.1.11. ATM VCL Statistics Table. . . . . . . . . . .  15
             3.1.12. ATM VC General Information Table. . . . . . .  15
             3.1.13. ATM Interface Configuration Extension Table .  16
             3.1.14. ATM ILMI Service Registry Table . . . . . . .  17
             3.1.15. ILMI Network Prefix Table . . . . . . . . . .  19
             3.1.16. ATM Switch Address Table. . . . . . . . . . .  19
             3.1.17. AAL5 per-VCC Statistics Table . . . . . . . .  19
             3.1.18. ATM VP Cross-Connect Extension Table. . . . .  20
             3.1.19. ATM VC Cross-Connect Extension Table. . . . .  20
             3.1.20. Currently Failing PVPL Table. . . . . . . . .  20
             3.1.21. Currently Failing PVCL Table. . . . . . . . .  20
             3.1.22. Leaf Initiated Join Counter support . . . . .  20
       3.2.  Network and User Addresses. . . . . . . . . . . . . .  20
       3.3.  Configuration of VPLs, VCLs, and Cross-Connects . . .  20
       3.4.  ATM-related Trap Support. . . . . . . . . . . . . . .  20
   4.  Conformance and Compliance. . . . . . . . . . . . . . . . .  21
   5.  Definitions . . . . . . . . . . . . . . . . . . . . . . . .  21
   6.  Acknowledgments . . . . . . . . . . . . . . . . . . . . . .  89
   7.  References. . . . . . . . . . . . . . . . . . . . . . . . .  89
       7.1.  Normative References. . . . . . . . . . . . . . . . .  89
       7.2.  Informative References. . . . . . . . . . . . . . . .  90
   8.  Security Considerations . . . . . . . . . . . . . . . . . .  90
   9.  Intellectual Property Statement . . . . . . . . . . . . . .  92
   10. Authors' Addresses. . . . . . . . . . . . . . . . . . . . .  93
   11. Full Copyright Statement. . . . . . . . . . . . . . . . . .  94








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1.  The Internet-Standard Management Framework

   For a detailed overview of the documents that describe the current
   Internet-Standard Management Framework, please refer to section 7 of
   RFC 3410 [RFC3410].

   Managed objects are accessed via a virtual information store, termed
   the Management Information Base or MIB.  MIB objects are generally
   accessed through the Simple Network Management Protocol (SNMP).
   Objects in the MIB are defined using the mechanisms defined in the
   Structure of Management Information (SMI).  This memo specifies a MIB
   module that is compliant to the SMIv2, which is described in STD 58,
   RFC 2578 [RFC2578], STD 58, RFC 2579 [RFC2579] and STD 58, RFC 2580
   [RFC2580].

2.  Overview

   The purpose of this memo is to provide additional capabilities, not
   found in the ATM-MIB [RFC2515], which are needed to manage ATM
   interfaces.  This memo addresses the following areas:

   -  ATM Switch Support
   -  ATM Service Support
   -  ATM Host Support

   In addition, this memo also provides ATM trap support.

2.1.  Background

   In addition to the MIB module defined in this memo, other MIB modules
   are necessary to manage ATM interfaces, links and cross-connects.
   Examples include MIB II for general system and interface management
   ([RFC2863]), the DS3 ([RFC2496]) or SONET MIBs ([RFC3592]) for
   management of SONET and DS3 physical interfaces, and, as appropriate,
   MIB modules for applications that make use of ATM, such as SMDS
   [RFC1694] and LAN Emulation [ATM Forum LANE].  These MIB modules are
   outside the scope of this specification.

   This MIB module also requires the use of the ATM-MIB module defined
   in [RFC2515] and ATM-specific textual conventions defined in
   [RFC2514].

   ATM Endpoint applications such as ATM LAN Emulation or Classical IP-
   over-ATM Clients and Servers use ATM to establish SVC/PVC connections
   for exchanging control and data information.  The agents of these ATM
   applications must provide the network manager with information on the
   SVC/PVCs in use and which applications are using them.  The
   information can be made generic so as to apply to all ATM



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   applications.  This memo defines extensions to the ATM-MIB [RFC2515]
   in order to support this.

   The current specification of this supplemental ATM2-MIB is based on
   SNMPv2 SMI.

2.2.  Important Definitions

   The following terms are defined here and used throughout this MIB:

   -  Virtual Path Link (VPL)
   -  Virtual Path Connection (VPC)
   -  Virtual Path Segment (VP Segment)
   -  Virtual Channel Link (VCL)
   -  Virtual Channel Connection (VCC)
   -  Virtual Channel Segment (VC Segment).

   The figures on the next page show how these terms apply in typical
   ATM network topologies.  Additional terms relevant to this MIB are
   defined and illustrated in the ATM Terminology section 3 of
   [RFC2515].

    _____      _______      _______      _______      _____
   |     |____|       |____|       |____|       |____|     |
   |Host1|    |SwitchA|    |SwitchB|    |SwitchC|    |Host2|
   |     |____|       |____|       |____|       |____|     |
   |_____|    |_______|    |_______|    |_______|    |_____|

         |<-->|                    |<-->|
    Virtual Path Link         Virtual Path Link

         |<----------------------------------------->|
                     Virtual Path Connection
                    (between Host1 and Host2)

                      |<--------------->|
                      Virtual Path Segment
                 (between SwitchA and SwitchC)

   Figure 1: Examples of Virtual Path Links, Virtual Path
             Connection, and Virtual Path Segment










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    _____      _______      _______      _______      _____
   |     |____|       |____|       |____|       |____|     |
   |Host1|----|SwitchA|----|SwitchB|----|SwitchC|----|Host2|
   |     |____|       |____|       |____|       |____|     |
   |_____|    |_______|    |_______|    |_______|    |_____|

         |<-->|                    |<-->|
   Virtual Channel Link      Virtual Channel Link

         |<----------------------------------------->|
                   Virtual Channel Connection
                   (between Host1 and Host2)

                      |<--------------->|
                    Virtual Channel Segment
                 (between SwitchA and SwitchC)

   Figure 2: Examples of Virtual Channel Links, Virtual
             Channel Connection, and Virtual Channel Segment
































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3.  Conventions used in the MIB

3.1.  Structure

   The managed ATM objects are arranged as follows:

     Table                         Host   Switch Service
   _____________________________________________________
   atmSvcVcCrossConnectTable      |      |  Y   |  Y   |
   atmSvcVpCrossConnectTable      |      |  Y   |  Y   |

   atmSigStatTable                |  Y   |  Y   |  Y   |
   atmSigSupportTable             |      |  Y   |  Y   |
   atmSigDescrParamTable          |  Y   |      |      |

   atmIfRegisteredAddrTable       |      |  Y   |  Y   |
   atmVclAddrTable                |  Y   |      |      |
   atmAddrVclTable                |  Y   |      |      |

   atmVplStatTable                |  Y   |  Y   |  Y   |
   atmVplLogicalPortTable         |  Y   |  Y   |  Y   |

   atmVclStatTable                |  Y   |  Y   |  Y   |
   atmAal5VclStatTable            |  Y   |      |      |
   atmVclGenTable                 |  Y   |      |      |

   atmInterfaceExtTable           |  Y   |  Y   |  Y   |

   atmIlmiSrvcRegTable            |      |  Y   |  Y   |
   atmIlmiNetworkPrefixTable      |      |  Y   |  Y   |
   atmSwitchAddressTable          |      |  Y   |      |

   atmVpCrossConnectXTable        |      |      |  Y   |
   atmVcCrossConnectXTable        |      |      |  Y   |

   atmCurrentlyFailingPVplTable   |  Y   |  Y   |  Y   |
   atmCurrentlyFailingPVclTable   |  Y   |  Y   |  Y   |

   Table 1: MIB structure

3.1.1.  ATM SVC VP Cross-Connect Table

   This table provides the SVC VP Cross-Connect (SVPC) information.  The
   equivalent PVC VP Cross-Connect table is defined in [RFC2515].  This
   table also includes cross-connect information for Soft PVPs.






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   This table contains configuration and state information of all SVC VP
   point-to-point, point-to-multipoint, or multipoint-to-multipoint VP
   cross-connects.

   This table has read-only access and can be used to monitor the
   cross-connects which connect the VPLs together in an ATM switch or
   network.  The atmSvcVpCrossConnectIndex is used to associate the
   related SVC VPLs that are cross-connected together.  The
   atmSvcVpCrossConnectRowStatus object has read-write access to allow
   for tear-down.

   The ATM SVC VP Cross-Connect Table models each bi-directional
   Switched Virtual Circuit (SVC) VP cross-connect as a set of entries
   in the atmSvcVpCrossConnectTable.  A point-to-point VPC cross-connect
   is modeled as one entry; a point-to-multipoint (N leafs) VPC cross-
   connect as N entries in this table; and a multipoint-to-multipoint (N
   parties) VPC cross-connect as N(N-1)/2 entries in this table.  In the
   latter cases, all the N (or N(N-1)/2) entries are associated with a
   single VPC cross-connect by having the same value of
   atmSvcVpCrossConnectIndex.

        _________________________________________
        |                                       |
    Low |         ATM Switch or Network         | High
    port|                                       | port
   _____|>> from low to high VPC traffic flow >>|______
        |<< from high to low VPC traffic flow <<|
        |_______________________________________|

   Figure 3: VPC Cross-Connect Model

   The terms low and high are chosen to represent numerical ordering of
   the two interfaces associated with a VPC cross-connect.  That is, the
   ATM interface with the lower value of ifIndex is termed 'low', while
   the other ATM interface associated with the VPC cross-connect is
   termed 'high'.

3.1.2.  ATM SVC VC Cross-Connect Table

   This table provides the SVC Cross-Connect (SVCC) information.  The
   equivalent PVC VC Cross-Connect table is defined in [RFC2515].  This
   table also includes cross-connect information for Soft PVCs.

   This table is used to model a bi-directional point-to-point, point-
   to-multipoint or multipoint-to-multipoint SVC VC cross-connect.






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   This table has read-only access and is used to monitor the cross-
   connects which connect the VCLs together in an ATM switch or network
   that belong to a VC connection.  The atmSvcVcCrossConnectIndex is
   used to associate the related SVC VCLs that are cross-connected
   together.  The atmSvcVcCrossConnectRowStatus object has read-write
   access to allow for tear-down.

   The ATM SVC VC Cross-Connect Table models each bi-directional
   Switched Virtual Circuit (SVC) VC cross-connect as a set of entries
   in the atmSvcVcCrossConnectTable.  A point-to-point VC cross-connect
   is modeled as one entry; a point-to-multipoint (N leafs) VC cross-
   connect as N entries in this table; and a multipoint-to-multipoint (N
   parties) VPC cross-connect as N(N-1)/2 entries in this table.  In the
   latter cases, all the N (or N(N-1)/2) entries are associated with a
   single VPC cross-connect by having the same value of
   atmSvcVcCrossConnectIndex.

         ______________________________________
        |                                      |
    Low |         ATM Switch or Network        | High
    port|                                      | port
   _____|>> from low to high VC traffic flow >>|______
        |<< from high to low VC traffic flow <<|
        |______________________________________|

   Figure 4: VC Cross-Connect Model

   The terms low and high are chosen to represent numerical ordering of
   the two interfaces associated with a VPC cross-connect.  That is, the
   ATM interface with the lower value of ifIndex is termed 'low', while
   the other ATM interface associated with the VPC cross-connect is
   termed 'high'.

3.1.3.  ATM Interface Signalling Statistics Table

   This table provides statistical information of the signalling entity.
   A signalling entity can be deployed over an ATM interface as defined
   in the atmInterfaceConfTable [RFC2515], a logical ATM interface
   defined in section 5.1.10.1 in this document, or a proprietary
   virtual interface as described in the atmInterfaceExtTable.  To
   monitor the signalling entity, a few counters are provided.  They are
   defined as:

      atmSigSSCOPConEvents
      atmSigSSCOPErrdPdus
      atmSigDetectSetupAttempts
      atmSigEmitSetupAttempts
      atmSigDetectUnavailRoutes



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      atmSigEmitUnavailRoutes
      atmSigDetectUnavailResrcs
      atmSigEmitUnavailResrcs
      atmSigDetectCldPtyEvents
      atmSigEmitCldPtyEvents
      atmSigDetectMsgErrors
      atmSigEmitMsgErrors
      atmSigDetectClgPtyEvents
      atmSigEmitClgPtyEvents
      atmSigDetectTimerExpireds
      atmSigEmitTimerExpireds
      atmSigDetectRestarts
      atmSigEmitRestarts
      atmSigInEstabls
      atmSigOutEstabls

3.1.4.  ATM Signalling Capability Support

   A number of Information Elements may or may not be supported by ATM
   switches or ATM Services.  Hence, for trouble isolation it is
   important to keep track which particular Information Elements are
   supported.  The corresponding group of objects must be supported by
   switches or services supporting SVCs, and indicate whether the
   following Information Elements are enabled/disabled:

   1) Calling party number

   2) Calling party subaddress

   3) Called party subaddress

   4) Broadband high layer information

   5) Broadband low layer information

   6) Broadband Repeat Indicator

   7) AAL parameters

   The last parameter, Preferred Carrier Pre-Subscription, identifies
   the carrier to which intercarrier calls originated from this
   interface are routed when transit network selection information is
   not provided by the calling party.








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3.1.5.  Signalling Descriptor Parameter Table

   This table extends the ATM VCL table of the ATM-MIB [RFC2515] to
   include all other necessary signalling information as specified in
   the ATM Forum UNI Specifications [ATM Forum 3.0] and [ATM Forum UNI
   3.1].  A user can create an entry with all signalling parameters and
   later use that entry to specify the signalling characteristics of
   SVCs.

   Some of the signalling parameters, such as the AAL5 parameters
   information element, are reflected in the VCL and VPL tables, and
   this table only contains the remaining AAL5 parameters.

   Signalling attributes can be grouped into following categories:

   1) ATM Adaptation Layer Parameters

      Information in this group is captured in the ATM Signalling
      Descriptor Parameter Table defined in this memo.  Please refer to
      section 5.4.5.5 of [ATM Forum 3.0] and [ATM Forum UNI 3.1].

   2) Broadband High Layer Information

      Information in this group is captured by the ATM Signalling
      Descriptor Parameter Table defined in this memo.  Please refer to
      section 5.4.5.8 of [ATM Forum 3.0] and [ATM Forum UNI 3.1].

   3) Broadband Low Layer Information

      Information in this group is captured by the ATM Signalling
      Descriptor Parameter Table defined in this memo.  Please refer to
      section 5.4.5.9 of [ATM Forum 3.0] and [ATM Forum UNI 3.1].

3.1.6.  ATM Interface Registered Address Table

   This table contains a list of ATM addresses that can be used for
   calls to and from a given interface by a switch or service.  The ATM
   addresses are either registered by the endsystem via ILMI or
   statically configured.  This table does not expose PNNI reachability
   information.  This table only applies to switches and network
   services.  See also Section 5.2.










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3.1.7.  ATM VPI/VCI to Address Mapping Table

   In the atmVclAddrTable, the object atmVclAddrAddr can either be an
   ATM Local Address or an ATM Remote Address which represent the two
   endpoint addresses of a VCL.  ATM Local Address identifies the local
   endpoint of the VCL represented by this agent.  The ATM Remote
   address represents the address of the ATM application at the other
   end of the VCL.

3.1.8.  ATM Address to VPI/VCI Mapping Table

   This table provides an alternative way to retrieve the atmVclTable.
   This table can be used to retrieve the indexing to the atmVclTable by
   an ATM address.

3.1.9.  ATM VPL Statistics Table

   The atmVplStatTable includes per-VPL cell counters.  The VPL cell
   counters count the valid ATM cells.  The valid ATM cells include the
   user and OAM cells but exclude the physical layer (e.g., idle cells)
   and unassigned cells.  Cells coming into an ATM managed system are
   counted differently with the high Cell Loss Priority (CLP=0) or low
   Cell Loss Priority (CLP=1).  The cells are tagged, passed or
   discarded depending on the incoming CLP value and the policed cell
   rate by the "traffic policing" entity in the ATM managed system.
   Refer to [ATM Forum 3.0] and [ATM Forum UNI 3.1] for a description of
   the traffic policing.

   In the switch where the traffic policing is not supported, cells are
   passed or discarded depending on the bandwidth and buffering capacity
   of the switching fabric.  The Output Tagged Cells counter, in this
   case, is always zero.
                 _______________
                 | ATM Managed |
      Input      | System      | Output
      CLP=0 cells|             | CLP=0 cells
      ---------->|             |----------->
      CLP=1 cells| (traffic    | CLP=1 cells
      ---------->| policing    |----------->
                 | entity)     | Tagged cells (CLP=1)
                 |_____________|----------->
                  |Discard  | Discard
                  |CLP=0    | CLP=1
                  |cells    | cells
                  |         |
                  V         V

   Figure 5: ATM Cell Counters per VPL



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   In this table, cells coming into and out of the managed ATM system
   are counted as the total number of cells and the cells with the
   CLP=0.  The CLP=1 counter is derived by subtracting CLP=0 cells from
   the total cells.  In addition, cells that are tagged on the output
   are also counted.  The output CLP=1 cells equals the total cells out
   count minus both the CLP=0 cells and the tagged cells.

3.1.10.  ATM VPL Logical Port Table

   The ATM VPL Logical Port Table includes all ATM logical port
   interface configuration information.

3.1.10.1.  ATM Logical Port Interface

   The interface type "ATM Logical Port" (ifType=80) is defined to allow
   the representation of a VP Tunnel, which is a VPL used as a trunk
   connection (most likely between devices that are not physically
   adjacent), providing for multiplexing and demultiplexing of VCs on
   the VP.  Figure 6 illustrates such a VP Tunnel.

   Note: the "ATM Logical Port" interface is more of a logical port,
   compared with an interface of type "ATM" which is more of a physical
   port that provides for the transport of many VP and VC connections
   between adjacent devices.

                       <------VP Tunnel------>
                 ATM Switch A             ATM Switch B
                ------------             -----------
                |ATM       |_____________|ATM       |
                |X-Connect |      .      |X-Connect |
         VCL1   |Point     | VPL1 . VPL2 |Point     |  VCL4
      O---------|----X-----|----- . -----|----X-----|-----O
                |    X-----|----- . -----|----X     |
                |    |     |_____________|    |     |
                ------------             ------------
                     | VCL2                   | VCL3
                     O                        O

   Figure 6: Virtual Path Tunnel

   In Figure 6, a VP tunnel (denoted as VPL1 by Switch A, and as VPL2 by
   Switch B) is used to connect VCL1 with VCL4 and VCL2 with VCL3.
   Figure 6 shows only one VP tunnel, but there can be multiple VP
   tunnels over the same physical interface.







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   A particularly useful VP tunnel scenario is tunneling across a public
   network that does not support signalling.  In Figure 6 above, assume
   Switches A and B are private switches that signal over the VP to set
   up connections transparently through the public network.  The public
   network would just transport a PVC VP between the two switches.

   Because the VP Tunnel constitutes an interface between two ATM
   devices that are not necessarily physically adjacent, most of the
   management information pertaining to the interface may differ for the
   tunnel, including:

   -  active VPI/VCI fields (the tunnel may be a subset of the parent
      interface).
   -  maximum number of VCCs
   -  configured VCCs
   -  ILMI VPI/VCI values
   -  ATM address type
   -  ATM administrative address
   -  received/transmitted cells.

3.1.10.2.  How to create an ATM Logical Port interface

      On ATM devices supporting VP tunnels, the ATM Logical Port
      Interface Table can be used to create VP tunnels.  To create an
      ATM Logical Port interface via SNMP:

         - Create a VPL (e.g., VPI=a on an existing ATM interface
           which has ifIndex=x) in the atmVplTable.

         - Set the object atmVplLogicalPortDef to isLogicalIf.
           A new row in the ifTable is then created by the agent,
           with ifIndex=y, to represent the ATM Logical Port
           interface.  The object atmVplLogicalPortIndex is also
           set to y by the agent to represent the ifIndex value of
           the ATM Logical Port interface.

         - The ifEntry values are set for the ATM Logical
           Port interface (ifIndex=y) as discussed in RFC
           2515, with the following exceptions:
               * ifType - a new enumerated value of atmLogical(80)
                 was added to IANAifType, specifying an "ATM
                 Logical Port" interface.
               * ifSpeed - The total bandwidth in bits per
                 second for use by the ATM layer.  Computed
                 from the traffic descriptor for the VPL.






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               * ifOperStatus - determined hierarchically,
                 depending on the state of the physical
                 atm-cell layer interface beneath it,
                 and the ILMI on the VP.
            * ifInOctets, ifOutOctets - support of
              these objects is not mandatory for ATM
              Logical Port interfaces.
            * ifInErrors - always zero, HEC errors are
              specified for the atm cell-layer interface
              beneath it.
            * ifInUnknownProtos - always zero, errors
              are specified for the atm cell-layer
              interface beneath it.

      - The atmInterfaceConfEntry values are set and reported
        as discussed in [RFC2515], with the following exceptions:
            * atmInterfaceMaxVpcs - 0.
            * atmInterfaceConfVpcs - 0.
            * atmInterfaceIlmiVpi - VPI of the VP tunnel.

      - The atmInterfaceExtEntry values are set and reported
        as follows:
            * atmInterfaceConfMaxSvpcVpi - VPI of the VP tunnel,
              although VPCs cannot be setup on a VP tunnel.
            * atmInterfaceCurrentMaxSvpcVpi - VPI of VP tunnel,
              although VPCs cannot be setup on a VP tunnel.
            * atmInterfaceConfMaxSvccVpi - VPI of the VP tunnel.
            * atmInterfaceCurrentMaxSvccVpi - VPI of VP tunnel.
            * atmIntfPvcFailures - Includes failures of PVCLs
              within the VP tunnel, but not of the PVPL itself,
              since those are reported on the atm(37) interface.
            * atmIntfCurrentlyFailingPVpls - 0.
            * atmIntfPvcFailuresTrapEnable - Enables traps for
              PVCL failures within the VP tunnel, but not for
              the PVPL itself, since the latter are generated on
              behalf of the atm(37) interface.

      - An entry is created in the ifStackTable, with
        values: ifStackHigherLayer=y, ifStackLowerLayer=x.

      - VCLs defined on the VP tunnel are indexed by
        ifIndex=y, VPI=a, VCI.









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3.1.11.  ATM VCL Statistics Table

      The atmVclStatTable includes per-VCL cell counters.  The VCL cell
      counters count the valid ATM cells.  The valid ATM cells include
      the user and OAM cells but exclude the physical layer (e.g., idle
      cells) and unassigned cells.  Cells coming into an ATM managed
      system are counted differently with the high Cell Loss Priority
      (CLP=0) or low Cell Loss Priority (CLP=1).  The cells are tagged,
      passed or discarded depending on the incoming CLP value and the
      policed cell rate by the "traffic policing" entity in the ATM
      managed system.  Refer to [ATM Forum 3.0] and [ATM Forum UNI 3.1]
      for the description of the traffic policing.

      In a switch where the traffic policing is not supported, cells are
      passed or discarded depending on the bandwidth and buffering
      capacity of the switching fabric.  The Output Tagged Cells
      counter, in this case, is always zero.

                 _______________
                 | ATM Managed |
      Input      | System      | Output
      CLP=0 cells|             | CLP=0 cells
      ---------->|             |----------->
      CLP=1 cells| (traffic    | CLP=1 cells
      ---------->| policing    |----------->
                 | entity)     | Tagged cells (CLP=1)
                 |_____________|----------->
                  |Discard  | Discard
                  |CLP=0    | CLP=1
                  |cells    | cells
                  |         |
                  V         V

   Figure 7: ATM Cell Counters per VCL

   In this table, cells coming into and out of the managed ATM system
   are counted as the total number of cells and the cells with the
   CLP=0.  The CLP=1 counter is derived by subtracting CLP=0 cells from
   the total cells.  In addition, cells that are tagged on the output
   are also counted.  The output CLP=1 cells equals the total cells out
   count minus both the CLP=0 cells and the tagged cells.

3.1.12.  ATM VC General Information Table

   This table contains the general information for each VC.  It provides
   an index to the atmSigDescrParamTable defined in this MIB.  This
   table is an extension to the atmVclTable defined in the ATM-MIB
   [RFC2515].



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3.1.13.  ATM Interface Configuration Extension Table

   The ATM Interface Configuration Extension Table contains ATM
   interface information that supplements the atmInterfaceConfTable
   defined in [RFC2515].  It includes the configuration information of
   the interface type (i.e., connection setup procedures) and ILMI.

   A network manager can configure the interface to run a specific type
   of connection setup procedures (i.e., protocol and version) such as
   ITU-T DSS2, ATM Forum UNI 3.1, PNNI 1.0 or BICI 2.0.  It can also
   dictate the role of the managed entity as one side of the interface.
   For example, if an interface is configured to run ATM Forum UNI 3.1,
   the managed entity has to be told to run as either the network side
   or the user side of the UNI.

   The objects atmIntfConfigType and atmIntfConfigSide are used for
   configuration and the objects atmIntfActualType and atmIntfActualSide
   are used for reading back the actual interface protocol and version.

   The following table describes all the valid combinations of
   configuration of the interface type and side.  Note that the value
   N/A meaning not applicable, should be set to the value other(1) when
   used.

      atmIntfConfigType          atmIntfConfigSide
      -----------------          -----------------
      autoConfig                 N/A
      ituDss2                    user/network
      atmfUni3Dot0               user/network
      atmfUni3Dot1               user/network
      atmfUni4Dot0               user/network
      atmfIispUni3Dot0           user/network
      atmfIispUni3Dot1           user/network
      atmfIispUni4Dot0           user/network
      atmfPnni1Dot0              N/A
      atmfBici2Dot0              N/A
      atmfUniPvcOnly             user/network
      atmfNniPvcOnly             N/A

   When the value of the object atmIntfConfigType is configured to
   autoConfig(2), the interface type is determined via the ATM Forum
   ILMI auto-configuration procedures [ATM Forum ILMI].  There is no
   need to set the interface side since it should be a derived value.
   The PNNI and BICI interfaces are always symmetric so setting the
   interface side is also not necessary.






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   This table also includes the configured and negotiated maximum VPI
   value per ATM interface, and the configured and negotiated minimum
   VCI value per ATM interface.  Refer to [ATM Forum ILMI] Sections
   8.2.3.8 through 8.2.3.10 for a detailed description.

   The following figure provides an example how the current minimum VCI
   values are derived from the configured minimum VCI values and the
   neighboring minimum VCI values:

   +--------+              +--------+              +--------+
   |  ATM   | ifA      ifB |  ATM   | ifC      ifD |  ATM   |
   | Device |--------------| Device |--------------| Device |
   +--------+              +--------+              +--------+


        ifA:  Configured Min SVCC VCI = 32  (configured)
              Current Min SVCC VCI    = 40  (negotiated)

        ifB:  Configured Min SVCC VCI = 40  (configured)
              Current Min SVCC VCI    = 40  (negotiated)

        ifC:  Configured Min SVCC VCI = 32  (configured)
              Current Min SVCC VCI    = 32  (negotiated)

        ifD:  Configured Min SVCC VCI = 32  (configured)
              Current Min SVCC VCI    = 32  (negotiated)

   Between ifA and ifB, the maximum of the two vales for
   atmInterfaceConfMinSvccVci is 40, so both interfaces set their
   atmInterfaceCurrentMinSvccVci values to 40.  On the other hand, since
   ifC and ifD both are configured with atmInterfaceConfMinSvccVci
   values of 32, they set their atmInterfaceCurrentMinSvccVci values to
   32.

   Figure 8: Examples of configured vs. negotiated ILMI values

3.1.14.  ATM ILMI Service Registry Table

   This table contains information used by the switch/service to inform
   ATM hosts of the location of ATM network services such as the LAN
   Emulation Configuration Server (LECS), the ATM Name Server (ANS), the
   ATMARP Server, the Multicast Address Resolution Server (MARS), and
   the NHRP Server (NHS).  Entries in this table are exported to
   adjacent devices via ILMI over either all or a few user selected ATM
   interfaces.






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   As an example, let's assume that:

   -  An ATM switch X has three interfaces if1, if2 and if3.
   -  There are two ATM network services offered, a1.a2...aN and
      b1.b2...bN, where a1.a2...aN is an object identifier used to
      identify the first service, and b1.b2...bN is the object
      identifier for the other service.
   -  The first service is available at the ATM address 'a'.
   -  The second service is available at the ATM address 'b'.
   -  The first service can be used by any device connecting to the
      switch X.
   -  The second service can be used only by devices that connect to
      interfaces if1 and if3 on switch X.

     +------------------+    +------------------+
     |service a1.a2...aN|    |service b1.b2...bN|
     |                  |    |                  |
     | ATM address = a  |    | ATM address = b  |
     +--------+---------+    +--------+---------+
              |                       |
              |                       |
     +--------+-----------------------+---------+
     |             ATM NETWORK                  |
     +-----------------+------------------------+
                       |
                       |
                +-------------+
                |  switch X   |
                +-+----+----+-+
                  |    |    |
                  |    |    |
                 if1  if2  if3   (interfaces)

       Figure 9: ATM topology with registered services

   The table for switch X will contain three entries:

    - one entry for the "a1.a2...aN", implicitly available to any
      devices on switch X.
    - two entries for the "b1.b2...bN" (one for each interface
      where this service can be explicitly used).










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   The content of the table is:

    - Service Identifier:   a1.a2...aN    b1.b2...bN   b1.b2...bN
    - ATM address:              a             b            b
    - Arbitrary index:          m             n            p
    - Available interface:      0             1            3

   where the Service Identifier values a1.a2...aN and b1.b2...bN are
   represented by atmIlmiSrvcRegServiceID, the ATM addresses a and b are
   represented by atmIlmiSrvcRegATMAddress, the values m, n, and p are
   arbitrary non-zero integer parameters (necessary in this example to
   differentiate the two entries for b1.b2...bN that are both available
   at the ATM address 'b') represented by atmIlmiSrvcRegAddressIndex,
   and the available interfaces are represented by atmIlmiSrvcRegIndex,
   where the special value 0 indicates any ATM interface.

   When querying the ILMI service registry table, through the ILMI
   protocol:

   -  the device attached to interface if1 will obtain the address a and
      b.

   -  the device attached to interface if2 will obtain the address a
      only.

   -  the device attached to interface if3 will obtain the address a and
      b.

3.1.15.  ILMI Network Prefix Table

   A table specifying per-interface network prefix(es) supplied by the
   network side of the UNI during ILMI address registration.  When no
   network prefixes are specified for a particular interface, one or
   more network prefixes based on the switch address(es) may be used for
   ILMI address registration.

3.1.16.  ATM Switch Address Table

   This table contains one or more ATM endsystem addresses on a per-
   switch basis.  These addresses are used to identify the switch.  When
   no ILMI network prefixes are configured for certain interfaces,
   network prefixes based on the switch address(es) may be used for ILMI
   address registration.

3.1.17.  AAL5 per-VCC Statistics Table

   This table contains the AAL5 statistics for the VCCs.




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3.1.18.  ATM VP Cross-Connect Extension Table

   This table extends the atmVpCrossConnectTable defined in ATM-MIB
   [RFC2515].

3.1.19.  ATM VC Cross-Connect Extension Table

   This table extends the atmVcCrossConnectTable defined in ATM-MIB
   [RFC2515].

3.1.20.  Currently Failing PVPL Table

   This table contains all the PVPLs that are in trouble.

3.1.21.  Currently Failing PVCL Table

   This table contains all the PVCLs that are in trouble.

3.1.22.  Leaf Initiated Join Counter support

   Two counter objects are added to count the number of leaf intiated
   setup requests and setup failures.

3.2.  Network and User Addresses

   At the user side of a given ATM UNI interface there may be an
   address, "ifPhysAddress", to identify the interface.  In addition,
   there may be several other addresses which can be used to originate
   and receive calls.  These other addresses that are used to receive
   calls are listed in the "ifRcvAddrTable" defined in RFC 2863.  The
   registered addresses on the network side are listed in the ATM
   Registered Address Table.  The ATM Registered Address Table is
   supported by switches and network services.  It is not supported by
   hosts.

3.3.  Configuration of VPLs, VCLs, and Cross-Connects

   The ATM Managed Objects needed to support the configuration of VPLs,
   VCLs, and Cross-Connects of the Permanent VPLs and VCLs are defined
   in the ATM-MIB [RFC2515].  Cross-Connects of the Switched VPLs and
   VCLs are defined in this memo.

3.4.  ATM-related Trap Support

   Traps are defined to detect changes in the status of permanent VPLs
   and VCLs.  The current up/down status of each permanent VPL or VCL is
   indicated by the atmVplOperStatus or atmVclOperStatus object,
   respectively.  Several tables and objects and one trap are defined in



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   order to help network managers quickly and efficiently detect changes
   in the status of permanent virtual links.  Through use of these
   tables, objects, and traps, the time consuming and resource intensive
   task of continuously polling each row in the entire atmVplTable and
   atmVclTable can be avoided.

   The atmIntfPvcFailures counter and the atmIntfCurrentlyFailingPVpls
   and atmIntfCurrentlyFailingPVcls gauges provide a quick means of
   determining the status of all PVPLs and PVCLs on an interface.  The
   atmCurrentlyFailingPVplTable and the atmCurrentlyFailingPVclTable
   list all of the problematic PVPLs and PVCLs, respectively, allowing
   them to be quickly identified.

   The atmIntfPvcFailuresTrap is generated just after a PVPL or PVCL on
   a particular interface leaves the 'up' operational state.  Managers
   can then determine which PVPLs and/or PVCLs are failing by reading
   the atmCurrentlyFailingPVplTable and the
   atmCurrentlyFailingPVclTable.  Generation of the
   atmIntfPvcFailuresTrap is rate limited by suppressing all traps that
   would occur within atmIntfPvcNotificationInterval of a previous trap
   for the same interface.  Managers should continuously poll the tables
   and objects mentioned above for at least this amount of time in order
   to keep up with the state of the network.

4.  Conformance and Compliance

   See the conformance and compliance statements within the information
   module.

5.  Definitions

ATM2-MIB DEFINITIONS ::= BEGIN

   IMPORTS
       MODULE-IDENTITY, OBJECT-TYPE, NOTIFICATION-TYPE,
       Gauge32, Counter32, Integer32
           FROM SNMPv2-SMI
       TruthValue, RowStatus, TimeStamp
           FROM SNMPv2-TC
       MODULE-COMPLIANCE, OBJECT-GROUP, NOTIFICATION-GROUP
           FROM SNMPv2-CONF
       SnmpAdminString
           FROM SNMP-FRAMEWORK-MIB
       InterfaceIndex, InterfaceIndexOrZero, ifIndex
           FROM IF-MIB
       atmMIBObjects, atmInterfaceConfEntry,
       atmVplEntry, atmVplVpi,
       atmVclEntry, atmVclVpi, atmVclVci,



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       atmVpCrossConnectEntry, atmVcCrossConnectEntry
           FROM ATM-MIB
       AtmAddr, AtmSigDescrParamIndex,
       AtmInterfaceType, AtmIlmiNetworkPrefix,
       AtmVcIdentifier, AtmVpIdentifier,
       AtmTrafficDescrParamIndex
           FROM ATM-TC-MIB;

   atm2MIB MODULE-IDENTITY
       LAST-UPDATED "200309230000Z"
       ORGANIZATION "IETF AToMMIB Working Group"
       CONTACT-INFO
         "AToMMIB WG
             http://www.ietf.org/html.charters/atommib-charter.html
           Editors:
                    Faye Ly
           Postal:  Pedestal Networks
                    6503 Dumbarton Circle
                    Fremont, CA 94555
                    USA
           Tel:     +1 510 896 2908
           E-Mail:  faye@pedestalnetworks.com

                    Michael Noto
           Postal:  Cisco Systems
                    170 W. Tasman Drive
                    San Jose, CA 95134-1706
                    USA

           E-mail:  mnoto@cisco.com

                    Andrew Smith
           Postal:  Consultant

           E-Mail:  ah_smith@acm.org

                    Ethan Mickey Spiegel
           Postal:  Cisco Systems
                    170 W. Tasman Drive
                    San Jose, CA 95134-1706
                    USA
           Tel:     +1 408 526 6408
           Fax:     +1 408 526 6488
           E-Mail:  mspiegel@cisco.com

                    Kaj Tesink
           Postal:  Telcordia Technologies
                    331 Newman Springs Road



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                    Red Bank, NJ 07701
                    USA
           Tel:     +1 732 758 5254
           E-mail:  kaj@research.telcordia.com"
       DESCRIPTION
         "Copyright (C) The Internet Society (2003). This version of
         this MIB module is part of RFC 3606; see the RFC itself for
         full legal notices.

         This MIB Module is a supplement to the ATM-MIB
         defined in RFC 2515."
       REVISION "200309230000Z"
       DESCRIPTION
         "Initial version of this MIB, published as RFC 3606."

         ::= { atmMIBObjects 14 }

   atm2MIBObjects  OBJECT IDENTIFIER ::= {atm2MIB 1}

   atm2MIBTraps OBJECT IDENTIFIER ::= {atm2MIB 2}

   -- This ATM2-MIB Module consists of the following tables,
   -- plus ATM trap support:
   --      1. atmSvcVpCrossConnectTable
   --      2. atmSvcVcCrossConnectTable
   --      3. atmSigStatTable
   --      4. atmSigSupportTable
   --      5. atmSigDescrParamTable
   --      6. atmIfRegisteredAddrTable
   --      7. atmVclAddrTable
   --      8. atmAddrVclTable
   --      9. atmVplStatTable
   --      10. atmVplLogicalPortTable
   --      11. atmVclStatTable
   --      12. atmAal5VclStatTable
   --      13. atmVclGenTable
   --      14. atmInterfaceExtTable
   --      15. atmIlmiSrvcRegTable
   --      16. atmIlmiNetworkPrefixTable
   --      17. atmSwitchAddressTable
   --      18. atmVpCrossConnectXTable
   --      19. atmVcCrossConnectXTable
   --      20. atmCurrentlyFailingPVplTable
   --      21. atmCurrentlyFailingPVclTable

   -- 1. ATM VPL SVC Cross-Connect Table

   atmSvcVpCrossConnectTable OBJECT-TYPE



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       SYNTAX       SEQUENCE OF
                    AtmSvcVpCrossConnectEntry
       MAX-ACCESS   not-accessible
       STATUS       current
       DESCRIPTION
         "The ATM SVPC Cross-Connect table.  A
         bi-directional VP cross-connect between two
         switched VPLs is modeled as one entry in this
         table.  A Soft PVPC cross-connect, between a
         soft permanent VPL and a switched VPL, is
         also modeled as one entry in this table."
       ::= { atm2MIBObjects 1 }

   atmSvcVpCrossConnectEntry OBJECT-TYPE
       SYNTAX       AtmSvcVpCrossConnectEntry
       MAX-ACCESS   not-accessible
       STATUS       current
       DESCRIPTION
         "An entry in the ATM SVPC Cross-Connect table.
         This entry is used to model a bi-directional
         ATM VP cross-connect between two VPLs."
       INDEX { atmSvcVpCrossConnectIndex,
               atmSvcVpCrossConnectLowIfIndex,
               atmSvcVpCrossConnectLowVpi,
               atmSvcVpCrossConnectHighIfIndex,
               atmSvcVpCrossConnectHighVpi }
       ::= { atmSvcVpCrossConnectTable 1 }

   AtmSvcVpCrossConnectEntry ::= SEQUENCE {
       atmSvcVpCrossConnectIndex           INTEGER,
       atmSvcVpCrossConnectLowIfIndex      InterfaceIndex,
       atmSvcVpCrossConnectLowVpi          AtmVpIdentifier,
       atmSvcVpCrossConnectHighIfIndex     InterfaceIndex,
       atmSvcVpCrossConnectHighVpi         AtmVpIdentifier,
       atmSvcVpCrossConnectCreationTime    TimeStamp,
       atmSvcVpCrossConnectRowStatus       RowStatus
                     }

   atmSvcVpCrossConnectIndex OBJECT-TYPE
       SYNTAX       INTEGER (1..2147483647)
       MAX-ACCESS   not-accessible
       STATUS       current
       DESCRIPTION
         "A unique value to identify this SVPC
         cross-connect.  For each VP associated
         with this cross-connect, the agent reports
         this cross-connect index value in the
         atmVplCrossConnectIdentifer attribute of the



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         corresponding atmVplTable entries."
       ::= { atmSvcVpCrossConnectEntry 1 }

   atmSvcVpCrossConnectLowIfIndex OBJECT-TYPE
       SYNTAX       InterfaceIndex
       MAX-ACCESS   not-accessible
       STATUS       current
       DESCRIPTION
         "The value of this object is equal to the
         ifIndex value of the ATM interface port for this
         SVPC cross-connect.  The term low implies
         that this ATM interface has the numerically lower
         ifIndex value than the other ATM interface
         identified in the same atmSvcVpCrossConnectEntry."
       ::= { atmSvcVpCrossConnectEntry 2 }

   atmSvcVpCrossConnectLowVpi OBJECT-TYPE
       SYNTAX       AtmVpIdentifier
       MAX-ACCESS   not-accessible
       STATUS       current
       DESCRIPTION
         "The value of this object is equal to the VPI
         value associated with the SVPC cross-connect
         at the ATM interface that is identified by
         atmSvcVpCrossConnectLowIfIndex.  The VPI value
         cannot exceed the number supported by the
         atmInterfaceCurrentMaxSvpcVpi at the low ATM interface
         port."
       ::= { atmSvcVpCrossConnectEntry 3 }

   atmSvcVpCrossConnectHighIfIndex OBJECT-TYPE
       SYNTAX       InterfaceIndex
       MAX-ACCESS   not-accessible
       STATUS       current
       DESCRIPTION
        "The value of this object is equal to the
         ifIndex value of the ATM interface port for
         this SVC VP cross-connect.  The term high
         implies that this ATM interface has the
         numerically higher ifIndex value than the
         other ATM interface identified in the same
         atmSvcVpCrossConnectEntry."
       ::= { atmSvcVpCrossConnectEntry 4 }

   atmSvcVpCrossConnectHighVpi OBJECT-TYPE
       SYNTAX       AtmVpIdentifier
       MAX-ACCESS   not-accessible
       STATUS       current



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       DESCRIPTION
        "The value of this object is equal to the VPI
         value associated with the SVPC cross-connect
         at the ATM interface that is identified by
         atmSvcVpCrossConnectHighIfIndex.  The VPI value
         cannot exceed the number supported by the
         atmInterfaceCurrentMaxSvpcVpi at the high ATM interface
         port."
       ::= { atmSvcVpCrossConnectEntry 5 }

   atmSvcVpCrossConnectCreationTime OBJECT-TYPE
       SYNTAX       TimeStamp
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION
        "The value of the sysUpTime object
         at the time this bi-directional SVPC
         cross-connect was created.  If the current
         state was entered prior to the last
         re-initialization of the agent, then this
         object contains a zero value."
       ::= { atmSvcVpCrossConnectEntry 6 }

   atmSvcVpCrossConnectRowStatus OBJECT-TYPE
       SYNTAX       RowStatus
       MAX-ACCESS   read-write
       STATUS       current
       DESCRIPTION
           "This object is used to delete rows in the
            atmSvcVpCrossConnectTable."
       ::= { atmSvcVpCrossConnectEntry 7 }

   -- 2. ATM VCL SVC Cross-Connect Table

   atmSvcVcCrossConnectTable OBJECT-TYPE
       SYNTAX       SEQUENCE OF AtmSvcVcCrossConnectEntry
       MAX-ACCESS   not-accessible
       STATUS       current
       DESCRIPTION
        "The ATM SVCC Cross-Connect table.  A
         bi-directional VC cross-connect between two
         switched VCLs is modeled as one entry in
         this table.  A Soft PVCC cross-connect,
         between a soft permanent VCL and a switched
         VCL, is also modeled as one entry in this
         table."
       ::= { atm2MIBObjects 2 }




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   atmSvcVcCrossConnectEntry OBJECT-TYPE
       SYNTAX       AtmSvcVcCrossConnectEntry
       MAX-ACCESS   not-accessible
       STATUS       current
       DESCRIPTION
        "An entry in the ATM SVCC Cross-Connect table.
         This entry is used to model a bi-directional ATM
         VC cross-connect between two VCLs."
       INDEX { atmSvcVcCrossConnectIndex,
               atmSvcVcCrossConnectLowIfIndex,
               atmSvcVcCrossConnectLowVpi,
               atmSvcVcCrossConnectLowVci,
               atmSvcVcCrossConnectHighIfIndex,
               atmSvcVcCrossConnectHighVpi,
               atmSvcVcCrossConnectHighVci }
       ::= { atmSvcVcCrossConnectTable 1 }

   AtmSvcVcCrossConnectEntry ::= SEQUENCE {
       atmSvcVcCrossConnectIndex           INTEGER,
       atmSvcVcCrossConnectLowIfIndex      InterfaceIndex,
       atmSvcVcCrossConnectLowVpi          AtmVpIdentifier,
       atmSvcVcCrossConnectLowVci          AtmVcIdentifier,
       atmSvcVcCrossConnectHighIfIndex     InterfaceIndex,
       atmSvcVcCrossConnectHighVpi         AtmVpIdentifier,
       atmSvcVcCrossConnectHighVci         AtmVcIdentifier,
       atmSvcVcCrossConnectCreationTime    TimeStamp,
       atmSvcVcCrossConnectRowStatus       RowStatus
               }

   atmSvcVcCrossConnectIndex OBJECT-TYPE
       SYNTAX       INTEGER (1..2147483647)
       MAX-ACCESS   not-accessible
       STATUS       current
       DESCRIPTION
        "A unique value to identify this SVCC cross-connect.
         For each VP associated with this cross-connect, the
         agent reports this cross-connect index value in the
         atmVclCrossConnectIdentifier attribute of the
         corresponding atmVplTable entries."
       ::= { atmSvcVcCrossConnectEntry 1 }

   atmSvcVcCrossConnectLowIfIndex OBJECT-TYPE
       SYNTAX       InterfaceIndex
       MAX-ACCESS   not-accessible
       STATUS       current
       DESCRIPTION
        "The value of this object is equal to the
         ifIndex value of the ATM interface port for this



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         SVCC cross-connect.  The term low implies that
         this ATM interface has the numerically lower
         ifIndex value than the other ATM interface
         identified in the same atmSvcVcCrossConnectEntry."
       ::= { atmSvcVcCrossConnectEntry 2 }

   atmSvcVcCrossConnectLowVpi OBJECT-TYPE
       SYNTAX       AtmVpIdentifier
       MAX-ACCESS   not-accessible
       STATUS       current
       DESCRIPTION
        "The value of this object is equal to the VPI
         value associated with the SVCC cross-connect
         at the ATM interface that is identified by
         atmSvcVcCrossConnectLowIfIndex.  The VPI value
         cannot exceed the number supported by the
         atmInterfaceCurrentMaxSvccVpi at the low ATM interface
         port."
       ::= { atmSvcVcCrossConnectEntry 3 }

   atmSvcVcCrossConnectLowVci OBJECT-TYPE
       SYNTAX       AtmVcIdentifier
       MAX-ACCESS   not-accessible
       STATUS       current
       DESCRIPTION
        "The value of this object is equal to the VCI
         value associated with the SVCC cross-connect
         at the ATM interface that is identified by
         atmSvcVcCrossConnectLowIfIndex.  The VCI value
         cannot exceed the number supported by the
         atmInterfaceCurrentMaxSvccVci at the low ATM interface
         port."
       ::= { atmSvcVcCrossConnectEntry 4 }

   atmSvcVcCrossConnectHighIfIndex OBJECT-TYPE
       SYNTAX       InterfaceIndex
       MAX-ACCESS   not-accessible
       STATUS       current
       DESCRIPTION
        "The value of this object is equal to the
         ifIndex value for the ATM interface port for
         this SVCC cross-connect.  The term high implies
         that this ATM interface has the numerically
         higher ifIndex value than the other ATM interface
         identified in the same atmSvcVcCrossConnectEntry."
       ::= { atmSvcVcCrossConnectEntry 5 }

   atmSvcVcCrossConnectHighVpi OBJECT-TYPE



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       SYNTAX       AtmVpIdentifier
       MAX-ACCESS   not-accessible
       STATUS       current
       DESCRIPTION
        "The value of this object is equal to the VPI
         value associated with the SVCC cross-connect
         at the ATM interface that is identified by
         atmSvcVcCrossConnectHighIfIndex.  The VPI value
         cannot exceed the number supported by the
         atmInterfaceCurrentMaxSvccVpi at the high ATM interface
         port."
       ::= { atmSvcVcCrossConnectEntry 6 }

   atmSvcVcCrossConnectHighVci OBJECT-TYPE
       SYNTAX       AtmVcIdentifier
       MAX-ACCESS   not-accessible
       STATUS       current
       DESCRIPTION
        "The value of this object is equal to the VCI
         value associated with the SVCC cross-connect
         at the ATM interface that is identified by
         atmSvcVcCrossConnectHighIfIndex.  The VCI value
         cannot exceed the number supported by the
         atmInterfaceMaxVciBits at the high ATM interface
         port."
       ::= { atmSvcVcCrossConnectEntry 7 }

   atmSvcVcCrossConnectCreationTime OBJECT-TYPE
       SYNTAX       TimeStamp
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION
        "The value of the sysUpTime object
         at the time this bi-directional SVCC
         cross-connect was created.  If the current
         state was entered prior to the last
         re-initialization of the agent, then this
         object contains a zero value."
       ::= { atmSvcVcCrossConnectEntry 8 }

   atmSvcVcCrossConnectRowStatus OBJECT-TYPE
       SYNTAX       RowStatus
       MAX-ACCESS   read-write
       STATUS       current
       DESCRIPTION
           "This object is used to delete rows in the
            atmSvcVcCrossConnectTable."
       ::= { atmSvcVcCrossConnectEntry 9 }



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   -- 3. ATM Interface Signalling Statistics Table --

   atmSigStatTable       OBJECT-TYPE
       SYNTAX       SEQUENCE OF AtmSigStatEntry
       MAX-ACCESS   not-accessible
       STATUS       current
       DESCRIPTION
        "This table contains ATM interface signalling
        statistics, one entry per ATM signalling
        interface."
       ::= { atm2MIBObjects 3 }

   atmSigStatEntry         OBJECT-TYPE
       SYNTAX       AtmSigStatEntry
       MAX-ACCESS   not-accessible
       STATUS       current
       DESCRIPTION
        "This list contains signalling statistics variables."
       INDEX { ifIndex }
       ::= { atmSigStatTable  1}

   AtmSigStatEntry    ::= SEQUENCE  {
       atmSigSSCOPConEvents            Counter32,
       atmSigSSCOPErrdPdus             Counter32,
       atmSigDetectSetupAttempts       Counter32,
       atmSigEmitSetupAttempts         Counter32,
       atmSigDetectUnavailRoutes       Counter32,
       atmSigEmitUnavailRoutes         Counter32,
       atmSigDetectUnavailResrcs       Counter32,
       atmSigEmitUnavailResrcs         Counter32,
       atmSigDetectCldPtyEvents        Counter32,
       atmSigEmitCldPtyEvents          Counter32,
       atmSigDetectMsgErrors           Counter32,
       atmSigEmitMsgErrors             Counter32,
       atmSigDetectClgPtyEvents        Counter32,
       atmSigEmitClgPtyEvents          Counter32,
       atmSigDetectTimerExpireds       Counter32,
       atmSigEmitTimerExpireds         Counter32,
       atmSigDetectRestarts            Counter32,
       atmSigEmitRestarts              Counter32,
       atmSigInEstabls                 Counter32,
       atmSigOutEstabls                Counter32
            }

   atmSigSSCOPConEvents   OBJECT-TYPE
       SYNTAX       Counter32
       MAX-ACCESS   read-only
       STATUS       current



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       DESCRIPTION
           "SSCOP Connection Events Counter.  This counter counts
            the sum of the following errors:

            1) SSCOP Connection Disconnect Counter

                The abnormal occurrence of this event is
                characterized by the expiry of Timer_NO_RESPONSE.
                (This event is communicated to the layer management
                with MAA-ERROR code P.  See ITU-T Q.2110.)

             2) SSCOP Connection Initiation Failure

                This condition indicates the inability to establish
                an SSCOP connection.  This event occurs whenever the
                number of expiries of the connection control timer
                (Timer_CC) equals or exceeds the MaxCC, or upon
                receipt of a connection reject message BGREJ PDU.
                (This event is communicated to layer management with
                MAA-ERROR code O.  See ITU-T Q.2110.)

             3) SSCOP Connection Re-Establ/Resynch

                This event occurs upon receipt of a BGN PDU or
                RS PDU."
       REFERENCE
           "ITU-T Recommendation Q.2110, Broadband
            Integrated Services Digital Network
            (B-ISDN) - ATM Adaptation Layer - Service
            Specific Connection Oriented Protocol (SSCOP)
            Specification, July 1994."
       ::= { atmSigStatEntry 1}

   atmSigSSCOPErrdPdus   OBJECT-TYPE
       SYNTAX       Counter32
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION
           "SSCOP Errored PDUs Counter.  This counter counts the
           sum of the following errors:

           1) Invalid PDUs.
              These are defined in SSCOP and consist of PDUs
              with an incorrect length (MAA-ERROR code U), an
              undefined PDU type code, or that are not 32-bit
              aligned.

           2) PDUs that result in MAA-ERROR codes and are



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              discarded.

           See MAA-ERROR codes A-D, F-M, and Q-T defined in
           ITU-T Q.2110."
       REFERENCE
           "ITU-T Recommendation Q.2110, Broadband
            Integrated Services Digital Network
            (B-ISDN) - ATM Adaptation Layer - Service
            Specific Connection Oriented Protocol (SSCOP)
            Specification, July 1994."
       ::= { atmSigStatEntry 2 }

   atmSigDetectSetupAttempts    OBJECT-TYPE
       SYNTAX       Counter32
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION
           "Call Setup Attempts Counter.  This counter counts
           the number of call setup attempts (both successful
           and unsuccessful) detected on this interface."
       ::= { atmSigStatEntry 3 }

   atmSigEmitSetupAttempts    OBJECT-TYPE
       SYNTAX       Counter32
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION
           "Call Setup Attempts Counter.  This counter counts
           the number of call setup attempts (both successful
           and unsuccessful) transmitted on this interface."
       ::= { atmSigStatEntry 4 }

   atmSigDetectUnavailRoutes    OBJECT-TYPE
       SYNTAX       Counter32
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION
           "Number of Route Unavailability detected on this interface.
           This counter is incremented when a RELEASE, RELEASE COMPLETE
           (only when not preceded by a RELEASE message for the same
           call), ADD PARTY REJECT, or STATUS message that
           contains one of the following cause code values is
           received (Note: These cause values
           apply to both UNI3.0 and UNI3.1):

           Cause Value            Meaning





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              1            unallocated (unassigned) number
              2            no route to specified transit network
              3            no route to destination

           NOTE:  For this counter, RELEASE COMPLETE
           messages that are a reply to a previous RELEASE
           message and contain the same cause value, are
           redundant (for counting purposes) and should not
           be counted."

       ::= { atmSigStatEntry 5 }

   atmSigEmitUnavailRoutes    OBJECT-TYPE
       SYNTAX       Counter32
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION
           "Number of Route Unavailability transmitted from this
           interface.  This counter is incremented when a RELEASE,
           RELEASE COMPLETE (only when not preceded by a RELEASE
           message for the same call), ADD PARTY REJECT, or
           STATUS message that contains one of the following cause
           code values is transmitted (Note: These cause values apply
           to both UNI3.0 and UNI3.1):

           Cause Value            Meaning

              1            unallocated (unassigned) number
              2            no route to specified transit network
              3            no route to destination

           NOTE:  For this counter, RELEASE COMPLETE
           messages that are a reply to a previous RELEASE
           message and contain the same cause value, are
           redundant (for counting purposes) and should not
           be counted."
       ::= { atmSigStatEntry 6 }

   atmSigDetectUnavailResrcs     OBJECT-TYPE
       SYNTAX       Counter32
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION
           "Number of Resource Unavailability detected on this
           interface.  This counter is incremented when a RELEASE,
           RELEASE COMPLETE (only when not preceded by a RELEASE
           message for the same call), ADD PARTY REJECT, or
           STATUS message that contains one of the following



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           cause code values is received (Note: These cause
           values apply to both UNI3.0 and UNI3.1 unless
           otherwise stated):

           Cause Value          Meaning

              35          requested VPCI/VCI not available
              37          user cell rate not available (UNI3.1
                          only)
              38          network out of order
              41          temporary failure
              45          no VPCI/VCI available
              47          resource unavailable, unspecified
              49          Quality of Service unavailable
              51          user cell rate not available (UNI3.0
                          only)
              58          bearer capability not presently
                          available
              63          Service or option not available,
                          unspecified
              92          too many pending add party requests

           NOTE:  For this counter, RELEASE COMPLETE
           messages that are a reply to a previous RELEASE
           message and contain the same cause value, are
           redundant (for counting purposes) and should not
           be counted."
       ::= { atmSigStatEntry 7 }

   atmSigEmitUnavailResrcs     OBJECT-TYPE
       SYNTAX       Counter32
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION
          "Number of Resource Unavailability transmitted from this
          interface.  This counter is incremented when a RELEASE,
          RELEASE COMPLETE (only when not preceded by a RELEASE message
          for the same call), ADD PARTY REJECT, or STATUS message that
          contains one of the following cause code values is transmitted
          (Note: These cause values apply to both UNI3.0 and UNI3.1
          unless otherwise stated):

          Cause Value          Meaning

             35          requested VPCI/VCI not available
             37          user cell rate not available (UNI3.1
                         only)
             38          network out of order



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             41          temporary failure
             45          no VPCI/VCI available
             47          resource unavailable, unspecified
             49          Quality of Service unavailable
             51          user cell rate not available (UNI3.0
                         only)
             58          bearer capability not presently
                         available
             63          Service or option not available,
                         unspecified
             92          too many pending add party requests

          NOTE:  For this counter, RELEASE COMPLETE messages that are a
          reply to a previous RELEASE message and contain the same cause
          value, are redundant (for counting purposes) and should not be
          counted."

      ::= { atmSigStatEntry 8 }

  atmSigDetectCldPtyEvents     OBJECT-TYPE
      SYNTAX       Counter32
      MAX-ACCESS   read-only
      STATUS       current
      DESCRIPTION
         "Number of Called Party Responsible For Unsuccessful Call
         detected on this interface.  This counter is incremented when a
         RELEASE, RELEASE COMPLETE (only when not preceded by a RELEASE
         message for the same call), ADD PARTY REJECT, or STATUS message
         that contains one of the following cause code values is
         received (Note: These cause values apply to both UNI3.0 and
         UNI3.1):

         Cause Value         Meaning

            17           user busy
            18           no user responding
            21           call rejected
            22           number changed
            23           user rejects all calls with calling
                         line identification restriction (CLIR)
            27           destination out of order
            31           normal, unspecified
            88           incompatible destination


         NOTE:  For this counter, RELEASE COMPLETE messages that are a
         reply to a previous RELEASE message and contain the same cause
         value, are redundant (for counting purposes) and should not be



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         counted.

         Note: Cause Value #30 'response to STATUS ENQUIRY' was not
         included in this memo since it did not apply to a hard
         failure."

     ::= { atmSigStatEntry 9 }

 atmSigEmitCldPtyEvents     OBJECT-TYPE
     SYNTAX       Counter32
     MAX-ACCESS   read-only
     STATUS       current
     DESCRIPTION

        "Number of Called Party Responsible For Unsuccessful Call
        transmitted from this interface.  This counter is incremented
        when a RELEASE, RELEASE COMPLETE (only when not preceded by a
        RELEASE message for the same call), ADD PARTY REJECT, or STATUS
        message that contains one of the following cause code values is
        transmitted (Note: These cause values apply to both UNI3.0 and
        UNI3.1):

        Cause Value         Meaning

           17           user busy
           18           no user responding
           21           call rejected
           22           number changed
           23           user rejects all calls with calling
                        line identification restriction (CLIR)
           27           destination out of order
           31           normal, unspecified
           88           incompatible destination

        NOTE:  For this counter, RELEASE COMPLETE messages that are a
        reply to a previous RELEASE message and contain the same cause
        value, are redundant (for counting purposes) and should not be
        counted.

        Note: Cause Value #30 'response to STATUS ENQUIRY' was not
        included in this memo since it did not apply to a hard failure."

    ::= { atmSigStatEntry 10 }

atmSigDetectMsgErrors    OBJECT-TYPE
    SYNTAX       Counter32
    MAX-ACCESS   read-only
    STATUS       current



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    DESCRIPTION
       "Number of Incorrect Messages detected on this interface.  The
       Incorrect Messages Counter reflects any sort of incorrect
       information in a message.  This includes:

       - RELEASE, RELEASE COMPLETE, ADD PARTY REJECT,
         and STATUS messages transmitted, that contain any of
         the Cause values listed below.

       - Ignored messages.  These messages are dropped
         because the message was so damaged that it could
         not be further processed.  A list of dropped
         messages is compiled below:

          1.  Message with invalid protocol discriminator

          2.  Message with errors in the call reference I.E.
               - Bits 5-8 of the first octet not equal to
                 '0000'
               - Bits 1-4 of the first octet indicating a
                 length other than 3 octets
               - RELEASE COMPLETE message received with a
                 call reference that does not relate to a
                 call active or in progress
               - SETUP message received with call reference
                 flag incorrectly set to 1
               - SETUP message received with a call
                 reference for a call that is already
                 active or in progress.

          3.  Message too short

       The following cause values are monitored by this counter (Note:
       These cause values apply to both UNI3.0 and UNI3.1 unless
       otherwise stated):

       Cause Value     Meaning

          10     VPCI/VCI unacceptable (UNI3.0 only)
          36     VPCI/VCI assignment failure (UNI3.1 only)
          81     invalid call reference value
          82     identified channel does not exist
          89     invalid endpoint reference
          96     mandatory information element is missing
          97     message type non-existent or not
                 implemented
          99     information element non-existent or not
                 implemented



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          100    invalid information element contents
          101    message not compatible with call state
          104    incorrect message length
          111    protocol error, unspecified

          NOTE:  For this counter, RELEASE COMPLETE messages that are
          a reply to a previous RELEASE message and contain the same
          cause value, are redundant (for counting purposes) and
          should not be counted."

    ::= { atmSigStatEntry 11 }

atmSigEmitMsgErrors    OBJECT-TYPE
    SYNTAX       Counter32
    MAX-ACCESS   read-only
    STATUS       current
    DESCRIPTION
       "Number of Incorrect Messages transmitted on this interface.
       The Incorrect Messages Counter reflects any sort of incorrect
       information in a message.  This includes:

       - RELEASE, RELEASE COMPLETE, ADD PARTY REJECT,
         and STATUS messages transmitted or
         received, that contain any of the Cause values
         listed below.

       - Ignored messages.  These messages are dropped
         because the message was so damaged that it could
         not be further processed.  A list of dropped
         messages is compiled below:

          1.  Message with invalid protocol discriminator

          2.  Message with errors in the call reference I.E.
               - Bits 5-8 of the first octet not equal to
                 '0000'
               - Bits 1-4 of the first octet indicating a
                 length other than 3 octets
               - RELEASE COMPLETE message received with a
                 call reference that does not relate to a
                 call active or in progress
               - SETUP message received with call reference
                 flag incorrectly set to 1
               - SETUP message received with a call
                 reference for a call that is already
                 active or in progress.

          3.  Message too short



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       The following cause values are monitored by this counter
       (Note: These cause values apply to both UNI3.0 and UNI3.1
       unless otherwise stated):

       Cause Value     Meaning

          10     VPCI/VCI unacceptable (UNI3.0 only)
          36     VPCI/VCI assignment failure (UNI3.1 only)
          81     invalid call reference value
          82     identified channel does not exist
          89     invalid endpoint reference
          96     mandatory information element is missing
          97     message type non-existent or not
                 implemented
          99     information element non-existent or not
                 implemented
          100    invalid information element contents
          101    message not compatible with call state
          104    incorrect message length
          111    protocol error, unspecified

          NOTE:  For this counter, RELEASE COMPLETE messages that are
          a reply to a previous RELEASE message and contain the same
          cause value, are redundant (for counting purposes) and
          should not be counted."

    ::= { atmSigStatEntry 12 }

atmSigDetectClgPtyEvents    OBJECT-TYPE
    SYNTAX       Counter32
    MAX-ACCESS   read-only
    STATUS       current
    DESCRIPTION
       "Number of Calling Party Events detected on this interface.
       This counter monitors error events that occur due to the
       originating user doing something wrong.  This counter is
       incremented when a RELEASE, RELEASE COMPLETE (only when not
       preceded by a RELEASE message for the same call), ADD PARTY
       REJECT, or STATUS message that contains one of the following
       cause code values is received (Note: These cause values
       apply to both UNI3.0 and UNI3.1):

       Cause Value     Meaning

          28     invalid number format (address incomplete)
          43     access information discarded
          57     bearer capability not authorized
          65     bearer capability not implemented



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          73     unsupported combination of traffic
                 parameters
          78     AAL parameters cannot be supported (UNI3.1
                 only)
          91     invalid transit network selection
          93     AAL parameters cannot be supported (UNI3.0
                 only)

          NOTE:  For this counter, RELEASE COMPLETE messages that
          are a reply to a previous RELEASE message and contain
          the same cause value, are redundant (for counting purposes)
          and should not be counted."

    ::= { atmSigStatEntry 13 }

atmSigEmitClgPtyEvents    OBJECT-TYPE
    SYNTAX       Counter32
    MAX-ACCESS   read-only
    STATUS       current
    DESCRIPTION
       "Number of Calling Party Events transmitted from this interface.
       This counter monitors error events that occur due to the
       originating user doing something wrong.  This counter is
       incremented when a RELEASE, RELEASE COMPLETE (only when not
       preceded by a RELEASE message for the same call), ADD PARTY
       REJECT, or STATUS message that contains one of the following
       cause code values is transmitted (Note: These cause values
       apply to both UNI3.0 and UNI3.1):

       Cause Value     Meaning

          28     invalid number format (address incomplete)
          43     access information discarded
          57     bearer capability not authorized
          65     bearer capability not implemented
          73     unsupported combination of traffic
                 parameters
          78     AAL parameters cannot be supported (UNI3.1
                 only)
          91     invalid transit network selection
          93     AAL parameters cannot be supported (UNI3.0
                 only)

          NOTE:  For this counter, RELEASE COMPLETE messages that are
          a reply to a previous RELEASE message and contain the same
          cause value, are redundant (for counting purposes) and
          should not be counted."




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    ::= { atmSigStatEntry 14 }

atmSigDetectTimerExpireds    OBJECT-TYPE
    SYNTAX       Counter32
    MAX-ACCESS   read-only
    STATUS       current
    DESCRIPTION
       "Number of Timer Expiries detected on this interface.  The Timer
       Expiries Counter provides a count of network timer expiries, and
       to some extent, host or switch timer expiries.  The conditions
       for incrementing this counter are:

          - Expiry of any network timer

          - Receipt of a RELEASE or RELEASE COMPLETE
            message with Cause #102, 'recovery on
            timer expiry'.

          NOTE:  For this counter, RELEASE COMPLETE messages that are
          a reply to a previous RELEASE message and contain the same
          cause value, are redundant (for counting purposes) and
          should not be counted."

    ::= { atmSigStatEntry 15 }

atmSigEmitTimerExpireds    OBJECT-TYPE
    SYNTAX       Counter32
    MAX-ACCESS   read-only
    STATUS       current
    DESCRIPTION
       "Number of Timer Expiries transmitted from this interface.
       The Timer Expiries Counter provides a count of network timer
       expiries, and to some extent, host or switch timer expiries.
       The conditions for incrementing this counter are:

          - Expiry of any network timer

          - Receipt of a RELEASE or RELEASE COMPLETE
            message with Cause #102, 'recovery on
            timer expiry'.

       NOTE:  For this counter, RELEASE COMPLETE messages that are a
       reply to a previous RELEASE message and contain the same cause
       value, are redundant (for counting purposes) and should not be
       counted."

    ::= { atmSigStatEntry 16 }




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atmSigDetectRestarts    OBJECT-TYPE
    SYNTAX       Counter32
    MAX-ACCESS   read-only
    STATUS       current
    DESCRIPTION
       "Number of Restart Activity errors detected on this interface.
       The Restart Activity Counter provides a count of host, switch,
       or network restart activity.  This counter is incremented when
       receiving a RESTART message."

    ::= { atmSigStatEntry 17 }

atmSigEmitRestarts    OBJECT-TYPE
    SYNTAX       Counter32
    MAX-ACCESS   read-only
    STATUS       current
    DESCRIPTION
       "Number of Restart Activity errors transmitted from this
       interface.  The Restart Activity Counter provides a count of
       host, switch, or network restart activity.  This counter is
       incremented when transmitting a RESTART message."

    ::= { atmSigStatEntry 18 }

atmSigInEstabls    OBJECT-TYPE
    SYNTAX       Counter32
    MAX-ACCESS   read-only
    STATUS       current
    DESCRIPTION
       "Number of SVCs established at this signalling entity for
       incoming connections."
    ::= { atmSigStatEntry 19 }

atmSigOutEstabls    OBJECT-TYPE
    SYNTAX       Counter32
    MAX-ACCESS   read-only
    STATUS       current
    DESCRIPTION
       "Number of SVCs established at this signalling entity for
       outgoing connections."
    ::= { atmSigStatEntry 20 }

  -- 4. ATM Interface Signalling Support Table
  --
  -- This table provides information to support
  -- the signalling process which is used to establish
  -- ATM Switched Virtual Connections (SVCs).




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atmSigSupportTable       OBJECT-TYPE
    SYNTAX       SEQUENCE OF AtmSigSupportEntry
    MAX-ACCESS   not-accessible
    STATUS       current
    DESCRIPTION
       "This table contains ATM local interface configuration
       parameters, one entry per ATM signalling interface."
    ::= { atm2MIBObjects 4 }

atmSigSupportEntry         OBJECT-TYPE
    SYNTAX       AtmSigSupportEntry
    MAX-ACCESS   not-accessible
    STATUS       current
    DESCRIPTION
       "This list contains signalling configuration parameters
       and state variables."
    INDEX { ifIndex }
    ::= { atmSigSupportTable  1}

AtmSigSupportEntry    ::= SEQUENCE  {
    atmSigSupportClgPtyNumDel       INTEGER,
    atmSigSupportClgPtySubAddr      INTEGER,
    atmSigSupportCldPtySubAddr      INTEGER,
    atmSigSupportHiLyrInfo          INTEGER,
    atmSigSupportLoLyrInfo          INTEGER,
    atmSigSupportBlliRepeatInd      INTEGER,
    atmSigSupportAALInfo            INTEGER,
    atmSigSupportPrefCarrier        OCTET STRING
}

atmSigSupportClgPtyNumDel     OBJECT-TYPE
    SYNTAX       INTEGER  { enabled(1), disabled(2) }
    MAX-ACCESS   read-write
    STATUS       current
    DESCRIPTION
       "This object indicates whether the Calling Party Number
       Information Element is transferred to the called party
       address.  The value of this object can be:

         - enabled(1)  This Information Element is transferred
                       to the called party

         - disabled(2) This Information Element is NOT
                       transferred to the called party."

    ::= { atmSigSupportEntry 1 }

atmSigSupportClgPtySubAddr   OBJECT-TYPE



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    SYNTAX       INTEGER  { enabled(1), disabled(2) }
    MAX-ACCESS   read-write
    STATUS       current
    DESCRIPTION
       "This object indicates whether to accept and transfer the Calling
       Party Subaddress Information Element from the calling party to
       the called party.  Calling party subaddress information shall
       only be transferred to the called party if calling party number
       delivery is enabled (i.e., atmSigSupportClgPtyNumDel =
       'enabled(1)'.  The value of this object can be:

         - enabled(1)  This Information Element is transferred
                       to the called party

         - disabled(2) This Information Element is NOT
                       transferred to the called party."

    ::= { atmSigSupportEntry 2 }

atmSigSupportCldPtySubAddr    OBJECT-TYPE
    SYNTAX       INTEGER  { enabled(1), disabled(2) }
    MAX-ACCESS   read-write
    STATUS       current
    DESCRIPTION
       "This object indicates whether to accept, transfer, and deliver
       the Called Party Subaddress Information Element from the calling
       party to the called party.  The value of this object can be:

         - enabled(1)  This Information Element is transferred
                       to the called party

         - disabled(2) This Information Element is NOT
                       transferred to the called party."

    ::= { atmSigSupportEntry 3 }

atmSigSupportHiLyrInfo     OBJECT-TYPE
    SYNTAX       INTEGER  { enabled(1), disabled(2) }
    MAX-ACCESS   read-write
    STATUS       current
    DESCRIPTION
       "This object indicates whether to accept, transfer, and deliver
       the Broadband High Layer Information Element from the calling
       party to the called party.  The value of this object can be:

         - enabled(1)  This Information Element is transferred
                       to the called party




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         - disabled(2) This Information Element is NOT
                       transferred to the called party."

    ::= { atmSigSupportEntry 4 }

atmSigSupportLoLyrInfo     OBJECT-TYPE
    SYNTAX       INTEGER  { enabled(1), disabled(2) }
    MAX-ACCESS   read-write
    STATUS       current
    DESCRIPTION
       "This object indicates whether to accept, transfer, and deliver
       the Broadband Low Layer Information Element from the calling
       party to the called party.  The value of this object can be:

         - enabled(1)  This Information Element is transferred
                       to the called party

         - disabled(2) This Information Element is NOT
                       transferred to the called party."

    ::= { atmSigSupportEntry 5 }

atmSigSupportBlliRepeatInd      OBJECT-TYPE
    SYNTAX       INTEGER  { enabled(1), disabled(2) }
    MAX-ACCESS   read-write
    STATUS       current
    DESCRIPTION
        "This object indicates whether to accept, transfer, and deliver
        the Broadband Repeat Indicator with two or three instances of
        the Broadband Low Layer Information Element for low layer
        information selection from the calling party to the called
        party.  This object's value should always be disabled(2) if
        the value of atmSigSupportLolyrInfo is disabled(2).

        The value of this object can be:

        - enabled(1)  This Information Element is transferred
              to the called party

        - disabled(2) This Information Element is NOT
              transferred to the called party."
    ::= { atmSigSupportEntry 6 }

atmSigSupportAALInfo     OBJECT-TYPE
    SYNTAX       INTEGER  { enabled(1), disabled(2) }
    MAX-ACCESS   read-write
    STATUS       current
    DESCRIPTION



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       "This object indicates whether to accept, transfer, and deliver
       the ATM Adaptation Layer Parameters Information Element from the
       calling party to the called party.  The value of this object can
       be:

         - enabled(1)  This Information Element is transferred
                       to the called party

         - disabled(2) This Information Element is NOT
                       transferred to the called party."

    ::= { atmSigSupportEntry 7 }

atmSigSupportPrefCarrier     OBJECT-TYPE
    SYNTAX       OCTET STRING (SIZE(0|4))
    MAX-ACCESS   read-write
    STATUS       current
    DESCRIPTION
       "This parameter identifies the carrier to which intercarrier
       calls originated from this interface are routed when transit
       network selection information is not provided by the calling
       party.  If a Carrier Identification Code (CIC) is used the
       parameter shall contain the CIC.  For three-digit CICs, the first
       octet shall be '0' and the CIC is contained in the three
       following octets.  If the preferred carrier feature is not
       supported the value is a zero-length string."

    ::= { atmSigSupportEntry 8 }

  -- 5. ATM Signalling Descriptor Parameter Table

    atmSigDescrParamTable     OBJECT-TYPE
        SYNTAX       SEQUENCE OF AtmSigDescrParamEntry
        MAX-ACCESS   not-accessible
        STATUS       current
        DESCRIPTION
            "A table contains signalling capabilities of VCLs except the
            Traffic Descriptor.  Traffic descriptors are described in
            the atmTrafficDescrParamTable."

        REFERENCE
            "ATM User-Network Interface Specification, Version 3.1 (UNI
            3.1), September 1994, Section 5.4.5 Variable Length
            Information Elements."

        ::= { atm2MIBObjects 5 }

    atmSigDescrParamEntry        OBJECT-TYPE



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        SYNTAX       AtmSigDescrParamEntry
        MAX-ACCESS   not-accessible
        STATUS       current
        DESCRIPTION
            "Each entry in this table represents a
            set of signalling capabilities that can
            be applied to a VCL.  There is no requirement
            for unique entries, except that the index must
            be unique."
        INDEX { atmSigDescrParamIndex }
        ::= { atmSigDescrParamTable 1 }

    AtmSigDescrParamEntry ::=
        SEQUENCE {
            atmSigDescrParamIndex
                                   AtmSigDescrParamIndex,
            atmSigDescrParamAalType         INTEGER,
            atmSigDescrParamAalSscsType     INTEGER,
            atmSigDescrParamBhliType        INTEGER,


            atmSigDescrParamBhliInfo        OCTET STRING,
            atmSigDescrParamBbcConnConf     INTEGER,
            atmSigDescrParamBlliLayer2      INTEGER,
            atmSigDescrParamBlliLayer3      INTEGER,
            atmSigDescrParamBlliPktSize     INTEGER,
            atmSigDescrParamBlliSnapId      INTEGER,
            atmSigDescrParamBlliOuiPid      OCTET STRING,
            atmSigDescrParamRowStatus       RowStatus
        }

    atmSigDescrParamIndex OBJECT-TYPE
        SYNTAX       AtmSigDescrParamIndex
        MAX-ACCESS   not-accessible
        STATUS       current
        DESCRIPTION
            "The value of this object is used by the
            atmVclGenSigDescrIndex object in the atmVclGenTable to
            identify a row in this table."

        ::= { atmSigDescrParamEntry 1 }

     atmSigDescrParamAalType OBJECT-TYPE
         SYNTAX       INTEGER {
            other(1),       -- not defined
            aal1(2),        -- AAL type 1
            aal34(3),       -- AAL type 3/4
            aal5(4),        -- AAL type 5



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            userDefined(5), -- User-Defined AAL
            aal2(6)         -- AAL type 2
            }
         MAX-ACCESS   read-create
         STATUS       current
         DESCRIPTION
            "The AAL type.  The value of this object is set to other(1)
            when not defined."

         DEFVAL { other }
         ::= { atmSigDescrParamEntry 2 }

     atmSigDescrParamAalSscsType OBJECT-TYPE
         SYNTAX       INTEGER {
            other(1),       -- other, or not used
            assured(2),     -- Data SSCS based on SSCOP
                            -- assured operation
            nonassured(3),  -- Data SSCS based on SSCOP
                            -- non-assured operation
            frameRelay(4),  -- frame relay SSCS
            null(5)         -- null

            }
         MAX-ACCESS   read-create
         STATUS       current
         DESCRIPTION
            "The SSCS type used by this entry."

         DEFVAL { other }
         ::= { atmSigDescrParamEntry 3 }

     atmSigDescrParamBhliType OBJECT-TYPE
         SYNTAX       INTEGER {
            other(1),         -- not defined
            iso(2),           -- ISO
            user(3),          -- User specific
            hiProfile(4),     -- Higher layer profile
                              -- this enum applicable to
                              -- UNI 3.0 only
            vendorSpecific(5) -- Vender specific
                              -- application identifier
            }
         MAX-ACCESS   read-create
         STATUS       current
         DESCRIPTION
            "The Broadband high layer type."

         DEFVAL { other }



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         ::= { atmSigDescrParamEntry 4 }

     atmSigDescrParamBhliInfo OBJECT-TYPE
         SYNTAX     OCTET STRING (SIZE(0..8))
         MAX-ACCESS read-create
         STATUS     current
         DESCRIPTION
            "The Broadband high layer information.  When
            atmSigDescrParamBhliType is set to iso(2), the value of this
            object is a zero length string.  When
            atmSigDescrParamBhliType is set to user(3), the value of
            this object is an octet string with length ranging from 0 to
            8.  When atmSigDescrParamBhliType is set to hiProfile(4),
            the value of this object is a length of 4 octet string
            containing user to user profile identifier.  When
            atmSigDescrParamBhliType is set to vendorSpecific(5), the
            value of this object is a length of 7 octet string, where
            the most significant 3 octets consist of a globally-
            administered OUI, and the least significant 4 octets are the
            vender administered application OUI."

         DEFVAL { ''H }

         ::= { atmSigDescrParamEntry 5 }

     atmSigDescrParamBbcConnConf OBJECT-TYPE
         SYNTAX       INTEGER {
             ptp(1),   -- point-to-point
             ptmp(2)   -- point-to-multipoint
             }
         MAX-ACCESS   read-create
         STATUS       current
         DESCRIPTION
             "The Broadband bearer capability user plane connection
              configuration parameter."
         DEFVAL { ptp }
         ::= { atmSigDescrParamEntry 6 }

      atmSigDescrParamBlliLayer2 OBJECT-TYPE
          SYNTAX       INTEGER {
             other(1),        -- not specified
             iso1745(2),      -- Basic mode ISO 1745
             q921(3),         -- CCITT Recommendation Q.921
             x25linklayer(4), -- CCITT Recommendation X.25
                              -- Link Layer
             x25multilink(5), -- CCITT Recommendation X.25
                              -- Multilink
             lapb(6),         -- Extended LAPB; for half



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                              -- duplex operation
             hdlcArm(7),      -- HDLC ARM (ISO 4335)
             hdlcNrm(8),      -- HDLC NRM (ISO 4335)
             hdlcAbm(9),      -- HDLC ABM (ISO 4335)
             iso88022(10),    -- LAN logical link control
                              -- (ISO 8802/2)
             x75slp(11),      -- CCITT Recommendation X.75,
                              -- single link
                              -- procedure (SLP)
             q922(12),        -- CCITT Recommendation Q.922
             userDef(13),     -- User specified
             iso7776(14)      -- ISO 7776 DTE-DTE operation
             }
          MAX-ACCESS   read-create
          STATUS       current
          DESCRIPTION
            "The Broadband low layer information, protocol type of layer
            2.  The value of this object is other(1) if layer 2 protocol
            is not used."

          DEFVAL { other }
          ::= { atmSigDescrParamEntry 7 }

      atmSigDescrParamBlliLayer3 OBJECT-TYPE
          SYNTAX       INTEGER {
             other(1),       -- not specified
             x25pkt(2),      -- CCITT Recommendation X.25
                             -- packet layer
             isoiec8208(3),  -- ISO/IEC 8208 (X.25 packet
                             -- level protocol for data
                             -- terminal equipment)
             x223iso8878(4), -- X.223/ISO 8878
             isoiec8473(5),  -- ISO/IEC 8473 OSI
                             -- connectionless
                             -- mode protocol
             t70(6),         -- CCITT Recommendation T.70
                             -- minimum
                             -- network layer
             tr9577(7),      -- ISO/IEC TR 9577 Protocol
                             -- Identification in the
                             -- network layer
             userDef(8)      -- user specified

             }
          MAX-ACCESS   read-create
          STATUS       current
          DESCRIPTION
            "The Broadband low layer information, protocol type of layer



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            3.  The value of this object is other(1) if layer 3 protocol
            is not used."

          DEFVAL { other }
          ::= { atmSigDescrParamEntry 8 }

      atmSigDescrParamBlliPktSize OBJECT-TYPE
          SYNTAX       INTEGER {
             other(1),        -- not used
             s16(2),          -- 16 octets
             s32(3),          -- 32 octets
             s64(4),          -- 64 octets
             s128(5),         -- 128 octets
             s256(6),         -- 256 octets
             s512(7),         -- 512 octets
             s1024(8),        -- 1028 octets
             s2048(9),        -- 2048 octets
             s4096(10)        -- 4096 octets
          }
          MAX-ACCESS   read-create
          STATUS       current
          DESCRIPTION
            "The default packet size defined in B-LLI."

          DEFVAL { other }
          ::= { atmSigDescrParamEntry 9 }

      atmSigDescrParamBlliSnapId OBJECT-TYPE
          SYNTAX       INTEGER {
             other(1),  -- not used
             true(2),   -- SNAP ID is 1
             false(3)   -- SNAP ID is 0
          }
          MAX-ACCESS   read-create
          STATUS       current
          DESCRIPTION
            "The SNAP ID used for Broadband low layer protocol layer 3.
            The value of this object is other(1) if
            atmSigDescrParamBlliLayer3 is set to other(1)."

          DEFVAL { other }
          ::= { atmSigDescrParamEntry 10 }

      atmSigDescrParamBlliOuiPid OBJECT-TYPE
          SYNTAX       OCTET STRING (SIZE(0|5))
          MAX-ACCESS   read-create
          STATUS       current
          DESCRIPTION



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            "The OUI/PID encoding for Broadband low layer protocol layer
            3.  The value of this object is a zero length string if
            atmSigDescrParamBlliLayer3 is set to other(1).  When used,
            it is always 5 octets with the most significant octet as the
            OUI Octet 1 and the least significant octet as the PID Octet
            2."

          DEFVAL { ''H }
          ::= { atmSigDescrParamEntry 11 }

       atmSigDescrParamRowStatus OBJECT-TYPE
           SYNTAX       RowStatus
           MAX-ACCESS   read-create
           STATUS       current
           DESCRIPTION
            "This object is used to create and delete rows in the
            atmSigDescrParamTable."

           ::= { atmSigDescrParamEntry 12 }

  -- 6. ATM Interface Registered Address Table --

atmIfRegisteredAddrTable    OBJECT-TYPE
    SYNTAX       SEQUENCE OF AtmIfRegisteredAddrEntry
    MAX-ACCESS   not-accessible
    STATUS       current
    DESCRIPTION
       "This table contains a list of ATM addresses that can be used for
       calls to and from a given interface by a switch or service.  The
       ATM addresses are either registered by the endsystem via ILMI or
       statically configured.  This table does not expose PNNI
       reachability information.  ILMI registered addresses cannot be
       deleted using this table.  This table only applies to switches
       and network services."
    ::= { atm2MIBObjects 6 }

atmIfRegisteredAddrEntry    OBJECT-TYPE
    SYNTAX       AtmIfRegisteredAddrEntry
    MAX-ACCESS   not-accessible
    STATUS       current
    DESCRIPTION
       "An entry in the ATM Interface Registered Address table."

    INDEX { ifIndex, atmIfRegAddrAddress }
    ::= { atmIfRegisteredAddrTable  1}

AtmIfRegisteredAddrEntry    ::= SEQUENCE  {
    atmIfRegAddrAddress             AtmAddr,



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    atmIfRegAddrAddressSource       INTEGER,
    atmIfRegAddrOrgScope            INTEGER,
    atmIfRegAddrRowStatus           RowStatus
         }

atmIfRegAddrAddress   OBJECT-TYPE
    SYNTAX       AtmAddr
    MAX-ACCESS   not-accessible
    STATUS       current
    DESCRIPTION
       "An address registered for a given switch or service interface."

    ::= { atmIfRegisteredAddrEntry 1}

atmIfRegAddrAddressSource  OBJECT-TYPE
    SYNTAX       INTEGER  {
       other(1),
       static(2),
       dynamic(3)
       }
    MAX-ACCESS   read-only
    STATUS       current
    DESCRIPTION
       "The type of address source for a given ATM Address. The value
       dynamic(3) is indicated when ILMI is used."
    ::= { atmIfRegisteredAddrEntry 2}

atmIfRegAddrOrgScope  OBJECT-TYPE
    SYNTAX       INTEGER {
        localNetwork(1),
        localNetworkPlusOne(2),
        localNetworkPlusTwo(3),
        siteMinusOne(4),
        intraSite(5),
        sitePlusOne(6),
        organizationMinusOne(7),
        intraOrganization(8),
        organizationPlusOne(9),
        communityMinusOne(10),
        intraCommunity(11),
        communityPlusOne(12),
        regional(13),
        interRegional(14),
        global(15)
    }
    MAX-ACCESS   read-create
    STATUS       current
    DESCRIPTION



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        "This object indicates the organizational scope for
        the referenced address.  The information of the
        referenced address shall not be distributed outside
        the indicated scope.   Refer to Annex 5.3 of ATM
        Forum UNI Signalling 4.0 for guidelines regarding
        the use of organizational scopes.

        This value cannot be configured for ILMI-registered
        addresses.

        The default values for organizational scope are
        localNetwork(1) for ATM group addresses, and
        global(15) for individual addresses."
    ::= { atmIfRegisteredAddrEntry 3}

atmIfRegAddrRowStatus OBJECT-TYPE
    SYNTAX       RowStatus
    MAX-ACCESS   read-create
    STATUS       current
    DESCRIPTION
       "This object is used to create and delete rows in the
       atmIfRegisteredAddrTable.  Rows created dynamically (e.g., ILMI-
       registered addresses) cannot be deleted using this object."

    ::= { atmIfRegisteredAddrEntry 4}

  -- 7. ATM VPI/VCI to Address Mapping Table

    atmVclAddrTable  OBJECT-TYPE
        SYNTAX       SEQUENCE OF AtmVclAddrEntry
        MAX-ACCESS   not-accessible
        STATUS       current
        DESCRIPTION
            "This table provides a mapping between the atmVclTable and
            the ATM called party/calling party address.  This table can
            be used to retrieve the calling party and called party ATM
            address pair for a given VCL.  Note that there can be more
            than one pair of calling party and called party ATM
            addresses for a VCL in a point to multi-point call."
        ::= { atm2MIBObjects 7 }

    atmVclAddrEntry    OBJECT-TYPE
        SYNTAX       AtmVclAddrEntry
        MAX-ACCESS   not-accessible
        STATUS       current
        DESCRIPTION
            "Each entry in this table represents a binding between a VCL
            and an ATM address associated with this call.  This ATM



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            address can be either the called party address or the
            calling party address.  There can be more than one pair of
            calling/called party ATM addresses associated with the VCL
            entry for point to multi-point calls.  Objects
            atmVclAddrType, and atmVclAddrRowStatus are
            required during row creation."
        INDEX  { ifIndex, atmVclVpi, atmVclVci,
                 atmVclAddrAddr }
        ::= { atmVclAddrTable 1 }

    AtmVclAddrEntry ::=
        SEQUENCE {
            atmVclAddrAddr          AtmAddr,
            atmVclAddrType          INTEGER,
            atmVclAddrRowStatus     RowStatus
        }

    atmVclAddrAddr     OBJECT-TYPE
        SYNTAX       AtmAddr
        MAX-ACCESS   not-accessible
        STATUS       current
        DESCRIPTION
            "An ATM address on one end of the VCL.  For SVCs, the agent
            supplies the value of this object at creation time.  For PVC
            VCL, the manager can supply the value of this object during
            or after the PVC VCL creation."
        ::= { atmVclAddrEntry 1 }

   atmVclAddrType     OBJECT-TYPE
       SYNTAX       INTEGER {
           callingParty(1),
           calledParty(2)
       }
       MAX-ACCESS   read-create
       STATUS       current
       DESCRIPTION
            "The type of ATM Address represented by the object
            atmVclAddrAddr.  Choices are either the calling party ATM
            address or the called party ATM address."
       ::= { atmVclAddrEntry 2 }

   atmVclAddrRowStatus     OBJECT-TYPE
       SYNTAX       RowStatus
       MAX-ACCESS   read-create
       STATUS       current
       DESCRIPTION
           "This object is used to create or destroy an
           entry from this table.  Note that the manager entity



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           can only destroy the PVC VCLs."
       ::= { atmVclAddrEntry 3 }

  -- 8. ATM Address to VPI/VCI Mapping Table
  --
  -- This table provides an alternative way to access
  -- a row in the atmVclAddrTable by using
  -- an ATM address as an index, instead of
  -- the ifIndex

    atmAddrVclTable   OBJECT-TYPE
        SYNTAX       SEQUENCE OF AtmAddrVclEntry
        MAX-ACCESS   not-accessible
        STATUS       current
        DESCRIPTION
            "This table provides an alternative way to retrieve the
            atmVclTable.  This table can be used to retrieve the
            indexing to the atmVclTable by an ATM address."

        ::= { atm2MIBObjects 8 }

    atmAddrVclEntry    OBJECT-TYPE
        SYNTAX       AtmAddrVclEntry
        MAX-ACCESS   not-accessible
        STATUS       current
        DESCRIPTION
            "Each entry in this table represents an entry in the
            atmVclTable of the ATM-MIB by its ATM address.  The ATM
            address is either the calling or called party ATM address
            of the call.  Entries in this table are read only.
            They show up when entries are created in the
            atmVclAddrTable."
        REFERENCE
            "Tesink, K., Editor, Definitions of Managed Objects
             for ATM Management, RFC 2515, Bell Communications
             Research, February, 1999."
        INDEX { atmVclAddrAddr, atmAddrVclAtmIfIndex,
                atmAddrVclVpi, atmAddrVclVci }
        ::= { atmAddrVclTable 1 }

    AtmAddrVclEntry ::=
        SEQUENCE {
            atmAddrVclAtmIfIndex    InterfaceIndex,
            atmAddrVclVpi           AtmVpIdentifier,
            atmAddrVclVci           AtmVcIdentifier,
            atmAddrVclAddrType      INTEGER
            }




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    atmAddrVclAtmIfIndex     OBJECT-TYPE
        SYNTAX       InterfaceIndex
        MAX-ACCESS   not-accessible
        STATUS       current
        DESCRIPTION
            "The interface index of the ATM interface to which this
             VCL pertains.  This object combined with the
             atmAddrVclVpi and atmAddrVclVci objects serves as an
             index to the atmVclTable."
        ::= { atmAddrVclEntry 1 }

    atmAddrVclVpi     OBJECT-TYPE
        SYNTAX       AtmVpIdentifier
        MAX-ACCESS   not-accessible
        STATUS       current
        DESCRIPTION
            "The VPI value of the VCL.  This object combined with the
            atmAddrVclAtmIfIndex and atmAddrVclVci objects serves as
            an index to the atmVclTable."
        ::= { atmAddrVclEntry 2 }

    atmAddrVclVci     OBJECT-TYPE
        SYNTAX       AtmVcIdentifier
        MAX-ACCESS   not-accessible
        STATUS       current
        DESCRIPTION
            "The VCI value of the VCL.  This object combined with the
            atmAddrVclAtmIfIndex and atmAddrVclVpi objects serves as
            an index to the atmVclTable."
        ::= { atmAddrVclEntry 3 }

   atmAddrVclAddrType     OBJECT-TYPE
       SYNTAX       INTEGER {
           callingParty(1),
           calledParty(2) }
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION
            "The type of ATM Address represented by the object
            atmVclAddrAddr.  Choices are either calling party address
            or called party address."
       ::= { atmAddrVclEntry 4 }

  -- 9. ATM VPL Statistics Table

    atmVplStatTable   OBJECT-TYPE
        SYNTAX       SEQUENCE OF AtmVplStatEntry
        MAX-ACCESS   not-accessible



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        STATUS       current
        DESCRIPTION
            "This table contains all statistics counters per VPL.  It is
            used to monitor the usage of the VPL in terms of incoming
            cells and outgoing cells."
        ::= { atm2MIBObjects 9 }

    atmVplStatEntry    OBJECT-TYPE
        SYNTAX       AtmVplStatEntry
        MAX-ACCESS   not-accessible
        STATUS       current
        DESCRIPTION
            "Each entry in this table represents a VPL."
        INDEX { ifIndex, atmVplVpi }
        ::= { atmVplStatTable 1 }

    AtmVplStatEntry ::=
        SEQUENCE {
            atmVplStatTotalCellIns      Counter32,
            atmVplStatClp0CellIns       Counter32,
            atmVplStatTotalDiscards     Counter32,
            atmVplStatClp0Discards      Counter32,
            atmVplStatTotalCellOuts     Counter32,
            atmVplStatClp0CellOuts      Counter32,
            atmVplStatClp0Tagged        Counter32
    }

    atmVplStatTotalCellIns OBJECT-TYPE
        SYNTAX       Counter32
        MAX-ACCESS   read-only
        STATUS       current
        DESCRIPTION
            "The total number of valid ATM cells received by this VPL
            including both CLP=0 and CLP=1 cells.  The cells are
            counted prior to the application of the traffic policing."
        ::= { atmVplStatEntry 1 }

    atmVplStatClp0CellIns OBJECT-TYPE
        SYNTAX       Counter32
        MAX-ACCESS   read-only
        STATUS       current
        DESCRIPTION
            "The number of valid ATM cells received by this VPL with
            CLP=0.  The cells are counted prior to the application of
            the traffic policing."
        ::= { atmVplStatEntry 2 }

    atmVplStatTotalDiscards OBJECT-TYPE



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        SYNTAX       Counter32
        MAX-ACCESS   read-only
        STATUS       current
        DESCRIPTION
            "The total number of valid ATM cells discarded by the
            traffic policing entity.  This includes cells originally
            received with CLP=0 and CLP=1."
        ::= { atmVplStatEntry 3 }

    atmVplStatClp0Discards OBJECT-TYPE
        SYNTAX       Counter32
        MAX-ACCESS   read-only
        STATUS       current
        DESCRIPTION
            "The total number of valid ATM cells received with CLP=0 and
            discarded by the traffic policing entity."
        ::= { atmVplStatEntry 4 }

    atmVplStatTotalCellOuts OBJECT-TYPE
        SYNTAX       Counter32
        MAX-ACCESS   read-only
        STATUS       current
        DESCRIPTION
            "The total number of valid ATM cells transmitted  by this
            VPL.  This includes both CLP=0 and CLP=1 cells."
        ::= { atmVplStatEntry 5 }

    atmVplStatClp0CellOuts OBJECT-TYPE
        SYNTAX       Counter32
        MAX-ACCESS   read-only
        STATUS       current
        DESCRIPTION
            "The total number of valid ATM cells transmitted with CLP=0
            by this VPL."
        ::= { atmVplStatEntry 6 }

    atmVplStatClp0Tagged OBJECT-TYPE
        SYNTAX       Counter32
        MAX-ACCESS   read-only
        STATUS       current
        DESCRIPTION
            "The total number of valid ATM cells tagged by the traffic
            policing entity from CLP=0 to CLP=1."
        ::= { atmVplStatEntry 7 }

  -- 10. ATM Logical Port Configuration Table

    atmVplLogicalPortTable OBJECT-TYPE



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        SYNTAX       SEQUENCE OF AtmVplLogicalPortEntry
        MAX-ACCESS   not-accessible
        STATUS       current
        DESCRIPTION
            "Indicates whether the VPL is an ATM Logical Port interface
            (ifType=80)."
        ::= { atm2MIBObjects 10 }

    atmVplLogicalPortEntry OBJECT-TYPE
        SYNTAX       AtmVplLogicalPortEntry
        MAX-ACCESS   not-accessible
        STATUS       current
        DESCRIPTION
            "An entry with information about the ATM Logical Port
            interface."
        AUGMENTS { atmVplEntry }
        ::= { atmVplLogicalPortTable 1 }

    AtmVplLogicalPortEntry ::=
        SEQUENCE {
            atmVplLogicalPortDef        INTEGER,
            atmVplLogicalPortIndex      InterfaceIndexOrZero
            }

    atmVplLogicalPortDef   OBJECT-TYPE
        SYNTAX       INTEGER {
                        notLogicalIf(1),
                        isLogicalIf(2)
                        }
        MAX-ACCESS   read-create
        STATUS       current
        DESCRIPTION
            "Indicates whether the VPC at this VPL interface is an ATM
            Logical Port interface."
        DEFVAL { notLogicalIf }
        ::= { atmVplLogicalPortEntry 1 }

    atmVplLogicalPortIndex OBJECT-TYPE
        SYNTAX       InterfaceIndexOrZero
        MAX-ACCESS   read-only
        STATUS       current
        DESCRIPTION
            "The ifTable index of the ATM logical port interface
            associated with this VPL. The distinguished value of zero
            indicates that the agent has not (yet) assigned such an
            ifTable Index. The zero value must be assigned by the agent
            if the value of atmVplLogicalPortDef is set to notLogicalIf,
            or if the VPL row is not active."



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        ::= { atmVplLogicalPortEntry 2 }

  -- 11. ATM VCL Statistics Table

    atmVclStatTable   OBJECT-TYPE
        SYNTAX       SEQUENCE OF AtmVclStatEntry
        MAX-ACCESS   not-accessible
        STATUS       current
        DESCRIPTION
            "This table contains all statistics counters per VCL.  It is
            used to monitor the usage of the VCL in terms of incoming
            cells and outgoing cells."
        ::= { atm2MIBObjects 11 }

    atmVclStatEntry    OBJECT-TYPE
        SYNTAX       AtmVclStatEntry
        MAX-ACCESS   not-accessible
        STATUS       current
        DESCRIPTION
            "Each entry in this table represents a VCL."
        INDEX { ifIndex, atmVclVpi, atmVclVci }
        ::= { atmVclStatTable 1 }

    AtmVclStatEntry ::=
        SEQUENCE {
            atmVclStatTotalCellIns      Counter32,
            atmVclStatClp0CellIns       Counter32,
            atmVclStatTotalDiscards     Counter32,
            atmVclStatClp0Discards      Counter32,
            atmVclStatTotalCellOuts     Counter32,
            atmVclStatClp0CellOuts      Counter32,
            atmVclStatClp0Tagged        Counter32
        }

    atmVclStatTotalCellIns OBJECT-TYPE
        SYNTAX       Counter32
        MAX-ACCESS   read-only
        STATUS       current
        DESCRIPTION
            "The total number of valid ATM cells received by this VCL
            including both CLP=0 and CLP=1 cells.  The cells are counted
            prior to the application of the traffic policing."
        ::= { atmVclStatEntry 1 }

    atmVclStatClp0CellIns OBJECT-TYPE
        SYNTAX       Counter32
        MAX-ACCESS   read-only
        STATUS       current



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        DESCRIPTION
            "The number of valid ATM cells received by this VCL with
            CLP=0.  The cells are counted prior to the application of
            the traffic policing."
        ::= { atmVclStatEntry 2 }

    atmVclStatTotalDiscards OBJECT-TYPE
        SYNTAX       Counter32
        MAX-ACCESS   read-only
        STATUS       current
        DESCRIPTION
            "The total number of valid ATM cells discarded by the
            traffic policing entity.  This includes cells originally
            received with CLP=0 and CLP=1."
        ::= { atmVclStatEntry 3 }

    atmVclStatClp0Discards OBJECT-TYPE
        SYNTAX       Counter32
        MAX-ACCESS   read-only
        STATUS       current
        DESCRIPTION
            "The total number of valid ATM cells received with CLP=0
             and discarded by the traffic policing entity."
        ::= { atmVclStatEntry 4 }

    atmVclStatTotalCellOuts OBJECT-TYPE
        SYNTAX       Counter32
        MAX-ACCESS   read-only
        STATUS       current
        DESCRIPTION
            "The total number of valid ATM cells transmitted  by this
            VCL.  This includes both CLP=0 and CLP=1 cells."
        ::= { atmVclStatEntry 5 }

    atmVclStatClp0CellOuts OBJECT-TYPE
        SYNTAX       Counter32
        MAX-ACCESS   read-only
        STATUS       current
        DESCRIPTION
            "The total number of valid ATM cells transmitted with CLP=0
            by this VCL."
        ::= { atmVclStatEntry 6 }

    atmVclStatClp0Tagged OBJECT-TYPE
        SYNTAX       Counter32
        MAX-ACCESS   read-only
        STATUS       current
        DESCRIPTION



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            "The total number of valid ATM cells tagged by the traffic
            policing entity from CLP=0 to CLP=1."
        ::= { atmVclStatEntry 7 }

  -- 12. ATM AAL5 per-VCC Statistics Table

    atmAal5VclStatTable   OBJECT-TYPE
        SYNTAX       SEQUENCE OF AtmAal5VclStatEntry
        MAX-ACCESS   not-accessible
        STATUS       current
        DESCRIPTION
            "This table provides a collection of objects providing AAL5
            configuration and performance statistics of a VCL."
        ::= { atm2MIBObjects 12 }

    atmAal5VclStatEntry    OBJECT-TYPE
        SYNTAX       AtmAal5VclStatEntry
        MAX-ACCESS   not-accessible
        STATUS       current
        DESCRIPTION
            "Each entry in this table represents an AAL5 VCL, and
             is indexed by ifIndex values of AAL5 interfaces and
             the associated VPI/VCI values."
        INDEX { ifIndex, atmVclVpi, atmVclVci }
        ::= { atmAal5VclStatTable 1 }

    AtmAal5VclStatEntry ::=
        SEQUENCE {
           atmAal5VclInPkts        Counter32,
           atmAal5VclOutPkts       Counter32,
           atmAal5VclInOctets      Counter32,
           atmAal5VclOutOctets     Counter32
        }

    atmAal5VclInPkts      OBJECT-TYPE
        SYNTAX       Counter32
        MAX-ACCESS   read-only
        STATUS       current
        DESCRIPTION
            "The number of AAL5 CPCS PDUs received on the AAL5 VCC at
            the interface identified by the ifIndex."
        ::= { atmAal5VclStatEntry 1 }

    atmAal5VclOutPkts   OBJECT-TYPE
        SYNTAX       Counter32
        MAX-ACCESS   read-only
        STATUS       current
        DESCRIPTION



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            "The number of AAL5 CPCS PDUs transmitted on the AAL5 VCC
             at the interface identified by the ifIndex."
        ::= { atmAal5VclStatEntry 2 }

    atmAal5VclInOctets   OBJECT-TYPE
        SYNTAX       Counter32
        MAX-ACCESS   read-only
        STATUS       current
        DESCRIPTION
            "The number of octets contained in AAL5 CPCS PDUs received
            on the AAL5 VCC at the interface identified by the ifIndex."
        ::= { atmAal5VclStatEntry 3 }

    atmAal5VclOutOctets   OBJECT-TYPE
        SYNTAX       Counter32
        MAX-ACCESS   read-only
        STATUS       current
        DESCRIPTION
            "The number of octets contained in AAL5 CPCS PDUs
            transmitted on the AAL5 VCC at the interface identified by
            the ifIndex."
        ::= { atmAal5VclStatEntry 4 }

  -- 13. ATM VC General Information Table

    atmVclGenTable OBJECT-TYPE
        SYNTAX       SEQUENCE OF AtmVclGenEntry
        MAX-ACCESS   not-accessible
        STATUS       current
        DESCRIPTION
            "General Information for each VC."
        ::= { atm2MIBObjects 13 }

    atmVclGenEntry OBJECT-TYPE
        SYNTAX       AtmVclGenEntry
        MAX-ACCESS   not-accessible
        STATUS       current
        DESCRIPTION
            "An entry with general information about the ATM VC."

        AUGMENTS { atmVclEntry }
        ::= { atmVclGenTable 1 }

    AtmVclGenEntry ::=
        SEQUENCE {
          atmVclGenSigDescrIndex      AtmSigDescrParamIndex
        }




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    atmVclGenSigDescrIndex   OBJECT-TYPE
        SYNTAX       AtmSigDescrParamIndex
        MAX-ACCESS   read-create
        STATUS       current
        DESCRIPTION
            "The value of this object identifies the row in the ATM
            Signalling Descriptor Parameter Table which applies to this
            VCL."
        ::= { atmVclGenEntry 1 }

  -- 14. ATM Interface Configuration Extension Table

atmInterfaceExtTable    OBJECT-TYPE
    SYNTAX       SEQUENCE OF AtmInterfaceExtEntry
    MAX-ACCESS   not-accessible
    STATUS       current
    DESCRIPTION
       "This table contains ATM interface configuration and monitoring
       information not defined in the atmInterfaceConfTable from the
       ATM-MIB.  This includes the type of connection setup procedures,
       ILMI information, and information on the VPI/VCI range."
    REFERENCE
        "Tesink, K., Editor, Definitions of Managed Objects
         for ATM Management, RFC 2515, Bell Communications
         Research, February, 1999."
    ::= { atm2MIBObjects 14 }

atmInterfaceExtEntry    OBJECT-TYPE
    SYNTAX       AtmInterfaceExtEntry
    MAX-ACCESS   not-accessible
    STATUS       current
    DESCRIPTION
       "An entry extends the atmInterfaceConfEntry defined in the ATM-
       MIB.  Each entry corresponds to an ATM interface."
    REFERENCE
        "Tesink, K., Editor, Definitions of Managed Objects
         for ATM Management, RFC 2515, Bell Communications
         Research, February, 1999."
    AUGMENTS { atmInterfaceConfEntry }
    ::= { atmInterfaceExtTable 1 }

AtmInterfaceExtEntry    ::= SEQUENCE  {
        atmIntfConfigType                   AtmInterfaceType,
        atmIntfActualType                   AtmInterfaceType,
        atmIntfConfigSide                   INTEGER,
        atmIntfActualSide                   INTEGER,
        atmIntfIlmiAdminStatus              BITS,
        atmIntfIlmiOperStatus               BITS,



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        atmIntfIlmiFsmState                 INTEGER,
        atmIntfIlmiEstablishConPollIntvl    Integer32,
        atmIntfIlmiCheckConPollIntvl        Integer32,
        atmIntfIlmiConPollInactFactor       Integer32,
        atmIntfIlmiPublicPrivateIndctr      INTEGER,
        atmInterfaceConfMaxSvpcVpi          INTEGER,
        atmInterfaceCurrentMaxSvpcVpi       INTEGER,
        atmInterfaceConfMaxSvccVpi          INTEGER,
        atmInterfaceCurrentMaxSvccVpi       INTEGER,
        atmInterfaceConfMinSvccVci          INTEGER,
        atmInterfaceCurrentMinSvccVci       INTEGER,
        atmIntfSigVccRxTrafficDescrIndex
                                   AtmTrafficDescrParamIndex,
        atmIntfSigVccTxTrafficDescrIndex
                                   AtmTrafficDescrParamIndex,
        atmIntfPvcFailures                  Counter32,
        atmIntfCurrentlyFailingPVpls        Gauge32,
        atmIntfCurrentlyFailingPVcls        Gauge32,
        atmIntfPvcFailuresTrapEnable        TruthValue,
        atmIntfPvcNotificationInterval      INTEGER,
        atmIntfLeafSetupFailures            Counter32,
        atmIntfLeafSetupRequests            Counter32 }

atmIntfConfigType     OBJECT-TYPE
    SYNTAX       AtmInterfaceType
    MAX-ACCESS   read-write
    STATUS       current
    DESCRIPTION
       "The type of connection setup procedures configured for the ATM
       interface.  Setting this variable to a value of 'other' is not
       allowed."
    DEFVAL { autoConfig }
    ::= { atmInterfaceExtEntry 1 }

atmIntfActualType     OBJECT-TYPE
    SYNTAX       AtmInterfaceType
    MAX-ACCESS   read-only
    STATUS       current
    DESCRIPTION
       "The type of connection setup procedures currently being used on
       the interface.  This may reflect a manually configured value for
       the interface type, or may be determined by other means such as
       auto-configuration.  A value of `autoConfig' indicates that
       auto-configuration was requested but has not yet been completed."
    ::= { atmInterfaceExtEntry 2 }

atmIntfConfigSide     OBJECT-TYPE
    SYNTAX       INTEGER  {



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                     other(1),
                     user(2),
                     network(3) }
    MAX-ACCESS   read-write
    STATUS       current
    DESCRIPTION
       "The configured role of the managed entity as one side of the ATM
       interface.  This value does not apply when the object
       atmIntfConfigType is set to `autoConfig', `atmfPnni1Dot0', or
       `atmfBici2Dot0'."
    ::= { atmInterfaceExtEntry 3 }

atmIntfActualSide     OBJECT-TYPE
    SYNTAX       INTEGER  {
                     other(1),
                     user(2),
                     network(3),
                     symmetric(4) }
    MAX-ACCESS   read-only
    STATUS       current
    DESCRIPTION
       "The current role used by the managed entity to represent one
       side of the ATM interface."
    ::= { atmInterfaceExtEntry 4 }

atmIntfIlmiAdminStatus    OBJECT-TYPE
    SYNTAX       BITS { ilmi(0),
                        ilmiAddressRegistration(1),
                        ilmiConnectivity(2),
                        ilmiPvcPvpMgmt(3),
                        ilmiSigVccParamNegotiation(4) }
    MAX-ACCESS   read-write
    STATUS       current
    DESCRIPTION
       "Indicates which components of ILMI are administratively enabled
       on this interface.  If the 'ilmi' bit is not set, then no ILMI
       components are operational.  ILMI components other than auto-
       configuration that are not represented in the value have their
       administrative status determined according to the 'ilmi' bit.
       The ILMI auto-configuration component is enabled/disabled by the
       atmIntfConfigType object."
    ::= { atmInterfaceExtEntry 5 }

atmIntfIlmiOperStatus    OBJECT-TYPE
    SYNTAX       BITS { ilmi(0),
                        ilmiAddressRegistration(1),
                        ilmiConnectivity(2),
                        ilmiPvcPvpMgmt(3),



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                        ilmiSigVccParamNegotiation(4) }
    MAX-ACCESS   read-only
    STATUS       current
    DESCRIPTION
       "Indicates which components of ILMI are operational on this
       interface."
    ::= { atmInterfaceExtEntry 6 }

atmIntfIlmiFsmState    OBJECT-TYPE
    SYNTAX       INTEGER { stopped(1),
                           linkFailing(2),
                           establishing(3),
                           configuring(4),
                           retrievingNetworkPrefixes(5),
                           registeringNetworkPrefixes(6),
                           retrievingAddresses(7),
                           registeringAddresses(8),
                           verifying(9) }
    MAX-ACCESS   read-only
    STATUS       current
    DESCRIPTION
       "Indicates the state of the ILMI Finite State Machine associated
       with this interface."

        REFERENCE
            "ATM Forum, Integrated Local Management Interface
             (ILMI) Specification, Version 4.0, af-ilmi-0065.000,
             September 1996, Appendix 1"
    ::= { atmInterfaceExtEntry 7 }

atmIntfIlmiEstablishConPollIntvl    OBJECT-TYPE
    SYNTAX       Integer32 (1..65535)
    UNITS        "seconds"
    MAX-ACCESS   read-write
    STATUS       current
    DESCRIPTION
       "The amount of time S between successive transmissions of ILMI
       messages on this interface for the purpose of detecting
       establishment of ILMI connectivity."
    REFERENCE
       "ATM Forum, Integrated Local Management Interface
        (ILMI) Specification, Version 4.0, af-ilmi-0065.000,
        September 1996, Section 8.3.1"
    DEFVAL { 1 }
    ::= { atmInterfaceExtEntry 8 }

atmIntfIlmiCheckConPollIntvl    OBJECT-TYPE
    SYNTAX       Integer32 (0..65535)



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    UNITS        "seconds"
    MAX-ACCESS   read-write
    STATUS       current
    DESCRIPTION
       "The amount of time T between successive transmissions of ILMI
       messages on this interface for the purpose of detecting loss of
       ILMI connectivity.  The distinguished value zero disables ILMI
       connectivity procedures on this interface."
    REFERENCE
       "ATM Forum, Integrated Local Management Interface
        (ILMI) Specification, Version 4.0, af-ilmi-0065.000,
        September 1996, Section 8.3.1"
    DEFVAL { 5 }
    ::= { atmInterfaceExtEntry 9 }

atmIntfIlmiConPollInactFactor    OBJECT-TYPE
    SYNTAX       Integer32 (0..65535)
    MAX-ACCESS   read-write
    STATUS       current
    DESCRIPTION
       "The number K of consecutive polls on this interface for which no
       ILMI response message is received before ILMI connectivity is
       declared lost."
    REFERENCE
       "ATM Forum, Integrated Local Management Interface
        (ILMI) Specification, Version 4.0, af-ilmi-0065.000,
        September 1996, Section 8.3.1"
    DEFVAL { 4 }
    ::= { atmInterfaceExtEntry 10 }

atmIntfIlmiPublicPrivateIndctr    OBJECT-TYPE
    SYNTAX       INTEGER {
                           other(1),
                           public(2),
                           private(3)
                           }
    MAX-ACCESS   read-write
    STATUS       current
    DESCRIPTION
       "Specifies whether this end of the interface is advertised in
       ILMI as a device of the `public' or `private' type."
    DEFVAL { private }
    ::= { atmInterfaceExtEntry 11 }

atmInterfaceConfMaxSvpcVpi    OBJECT-TYPE
    SYNTAX       INTEGER  (0..4095)
    MAX-ACCESS   read-write
    STATUS       current



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    DESCRIPTION
       "The maximum VPI that the signalling stack on the ATM interface
       is configured to support for allocation to switched virtual path
       connections."
    ::= { atmInterfaceExtEntry 12 }

atmInterfaceCurrentMaxSvpcVpi    OBJECT-TYPE
    SYNTAX       INTEGER  (0..4095)
    MAX-ACCESS   read-only
    STATUS       current
    DESCRIPTION
       "The maximum VPI that the signalling stack on the ATM interface
       may currently allocate to switched virtual path connections.
       This value is the minimum of atmInterfaceConfMaxSvpcVpi, and the
       atmInterfaceMaxSvpcVpi of the interface's UNI/NNI peer.

       If the interface does not negotiate with its peer to determine
       the maximum VPI that can be allocated to SVPCs on the interface,
       then the value of this object must equal
       atmInterfaceConfMaxSvpcVpi. "
    ::= { atmInterfaceExtEntry 13 }

atmInterfaceConfMaxSvccVpi    OBJECT-TYPE
    SYNTAX       INTEGER  (0..4095)
    MAX-ACCESS   read-write
    STATUS       current
    DESCRIPTION
       "The maximum VPI that the signalling stack on the ATM interface
       is configured to support for allocation to switched virtual
       channel connections."
    ::= { atmInterfaceExtEntry 14 }

atmInterfaceCurrentMaxSvccVpi    OBJECT-TYPE
    SYNTAX       INTEGER  (0..4095)
    MAX-ACCESS   read-only
    STATUS       current
    DESCRIPTION
       "The maximum VPI that the signalling stack on the ATM interface
       may currently allocate to switched virtual channel connections.
       This value is the minimum of atmInterfaceConfMaxSvccVpi, and the
       atmInterfaceConfMaxSvccVpi of the interface's UNI/NNI peer.

       If the interface does not negotiate with its peer to determine
       the maximum VPI that can be allocated to SVCCs on the interface,
       then the value of this object must equal
       atmInterfaceConfMaxSvccVpi."
    ::= { atmInterfaceExtEntry 15 }




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atmInterfaceConfMinSvccVci    OBJECT-TYPE
    SYNTAX       INTEGER  (0..65535)
    MAX-ACCESS   read-write
    STATUS       current
    DESCRIPTION
       "The minimum VCI that the signalling stack on the ATM interface
       is configured to support for allocation to switched virtual
       channel connections."
    ::= { atmInterfaceExtEntry 16 }

atmInterfaceCurrentMinSvccVci    OBJECT-TYPE
    SYNTAX       INTEGER  (0..65535)
    MAX-ACCESS   read-only
    STATUS       current
    DESCRIPTION
       "The minimum VCI that the signalling stack on the ATM interface
       may currently allocate to switched virtual channel connections.
       This value is the maximum of atmInterfaceConfMinSvccVci, and the
       atmInterfaceConfMinSvccVci of the interface's UNI/NNI peer.
       If the interface does not negotiate with its peer to determine
       the minimum VCI that can be allocated to SVCCs on the interface,
       then the value of this object must equal
       atmInterfaceConfMinSvccVci."
    ::= { atmInterfaceExtEntry 17 }

atmIntfSigVccRxTrafficDescrIndex    OBJECT-TYPE
    SYNTAX       AtmTrafficDescrParamIndex
    MAX-ACCESS   read-write
    STATUS       current
    DESCRIPTION
       "This object identifies the row in the atmTrafficDescrParamTable
       used during ILMI auto-configuration to specify the advertised
       signalling VCC traffic parameters for the receive direction.
       The traffic descriptor resulting from ILMI auto-configuration of
       the signalling VCC is indicated in the atmVclTable."
    ::= { atmInterfaceExtEntry 18 }

atmIntfSigVccTxTrafficDescrIndex    OBJECT-TYPE
    SYNTAX       AtmTrafficDescrParamIndex
    MAX-ACCESS   read-write
    STATUS       current
    DESCRIPTION
       "This object identifies the row in the atmTrafficDescrParamTable
       used during ILMI auto-configuration to specify the advertised
       signalling VCC traffic parameters for the transmit direction.
       The traffic descriptor resulting from ILMI auto-configuration of
       the signalling VCC is indicated in the atmVclTable."
    ::= { atmInterfaceExtEntry 19 }



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atmIntfPvcFailures    OBJECT-TYPE
    SYNTAX       Counter32
    MAX-ACCESS   read-only
    STATUS       current
    DESCRIPTION
       "The number of times the operational status of a PVPL or PVCL on
       this interface has gone down."
    ::= { atmInterfaceExtEntry 20 }

atmIntfCurrentlyFailingPVpls    OBJECT-TYPE
    SYNTAX       Gauge32
    MAX-ACCESS   read-only
    STATUS       current
    DESCRIPTION
       "The current number of VPLs on this interface for which there is
       an active row in the atmVplTable having an atmVplConnKind value
       of `pvc' and an atmVplOperStatus with a value other than `up'."
    ::= { atmInterfaceExtEntry 21 }

atmIntfCurrentlyFailingPVcls    OBJECT-TYPE
    SYNTAX       Gauge32
    MAX-ACCESS   read-only
    STATUS       current
    DESCRIPTION
       "The current number of VCLs on this interface for which there is
       an active row in the atmVclTable having an atmVclConnKind value
       of `pvc' and an atmVclOperStatus with a value other than `up'."
    ::= { atmInterfaceExtEntry 22 }

atmIntfPvcFailuresTrapEnable    OBJECT-TYPE
    SYNTAX       TruthValue
    MAX-ACCESS   read-write
    STATUS       current
    DESCRIPTION
       "Allows the generation of traps in response to PVCL or PVPL
       failures on this interface."
    DEFVAL { false }
    ::= { atmInterfaceExtEntry 23 }

atmIntfPvcNotificationInterval    OBJECT-TYPE
    SYNTAX       INTEGER (1..3600)
    UNITS        "seconds"
    MAX-ACCESS   read-write
    STATUS       current
    DESCRIPTION
       "The minimum interval between the sending of
       atmIntfPvcFailuresTrap notifications for this interface."
    DEFVAL { 30 }



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    ::= { atmInterfaceExtEntry 24 }

atmIntfLeafSetupFailures    OBJECT-TYPE
    SYNTAX       Counter32
    MAX-ACCESS   read-only
    STATUS       current
    DESCRIPTION
       "Number of setup failures.  For root, this is the number of
       rejected setup requests and for leaf, this is the number of setup
       failure received."
    ::= { atmInterfaceExtEntry 25 }

atmIntfLeafSetupRequests    OBJECT-TYPE
    SYNTAX       Counter32
    MAX-ACCESS   read-only
    STATUS       current
    DESCRIPTION
       "Number of setup requests.  For root, this includes both incoming
       setup request and root intiated setup requests."
    ::= { atmInterfaceExtEntry 26 }

  -- 15. ATM ILMI Service Registry Table

atmIlmiSrvcRegTable OBJECT-TYPE
    SYNTAX       SEQUENCE OF AtmIlmiSrvcRegEntry
    MAX-ACCESS   not-accessible
    STATUS       current
    DESCRIPTION
       "This table contains a list of all the ATM network services known
       by this device.

       The characteristics of these services are made available through
       the ILMI, using the ILMI general-purpose service registry MIB.
       These services may be made available to all ATM interfaces
       (atmIlmiSrvcRegIndex = 0) or to some specific ATM interfaces only
       (atmIlmiSrvcRegIndex = ATM interface index)."
    ::= { atm2MIBObjects 15 }

atmIlmiSrvcRegEntry OBJECT-TYPE
    SYNTAX       AtmIlmiSrvcRegEntry
    MAX-ACCESS   not-accessible
    STATUS       current
    DESCRIPTION
       "Information about a single service provider that is available to
       the user-side of an adjacent device through the ILMI.

       Implementors need to be aware that if the size of the
       atmIlmiSrvcRegServiceID exceeds 112 sub-identifiers then OIDs of



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       column instances in this table will have more than 128 sub-
       identifiers and cannot be accessed using SNMPv1, SNMPv2, or
       SNMPv3."

    INDEX { atmIlmiSrvcRegIndex,
            atmIlmiSrvcRegServiceID,
            atmIlmiSrvcRegAddressIndex }
    ::= { atmIlmiSrvcRegTable 1 }

AtmIlmiSrvcRegEntry ::= SEQUENCE {
           atmIlmiSrvcRegIndex             InterfaceIndexOrZero,
           atmIlmiSrvcRegServiceID         OBJECT IDENTIFIER,
           atmIlmiSrvcRegAddressIndex      INTEGER,
           atmIlmiSrvcRegATMAddress        AtmAddr,
           atmIlmiSrvcRegParm1             OCTET STRING,
           atmIlmiSrvcRegRowStatus         RowStatus
           }

atmIlmiSrvcRegIndex OBJECT-TYPE
    SYNTAX       InterfaceIndexOrZero
    MAX-ACCESS   not-accessible
    STATUS       current
    DESCRIPTION
       "The ATM interface where the service defined in this entry can be
       made available to an ATM device attached to this interface.

       The value of 0 has a special meaning: when an ATM service is
       defined in an entry whose atmIlmiSrvcRegIndex is zero, the ATM
       service is available to ATM devices connected to any ATM
       interface.  (default value(s)).

       When the user-side of an adjacent device queries the content of
       the ILMI service registry MIB (using the ILMI protocol), the
       local network-side responds with the ATM services defined in
       atmIlmiSrvcRegTable entries, provided that these entries are
       indexed by:

       - the corresponding ifIndex value (atmIlmiSrvcRegIndex
         equal to the ifIndex of the interface to which the
         adjacent device is connected) - zero (atmIlmiSrvcRegIndex=0)."
    ::= { atmIlmiSrvcRegEntry 1 }

atmIlmiSrvcRegServiceID OBJECT-TYPE
    SYNTAX       OBJECT IDENTIFIER
    MAX-ACCESS   not-accessible
    STATUS       current
    DESCRIPTION
       "This is the service identifier which uniquely identifies the



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       type of service at the address provided in the table.  The object
       identifiers for the LAN Emulation Configuration Server (LECS) and
       the ATM Name Server (ANS) are defined in the ATM Forum ILMI
       Service Registry MIB.  The object identifiers for the ATMARP
       Server, the Multicast Address Resolution Server (MARS), and the
       NHRP Server (NHS) are defined in RFC 2601, RFC 2602, and RFC
       2603, respectively."
    ::= { atmIlmiSrvcRegEntry 2 }

atmIlmiSrvcRegAddressIndex OBJECT-TYPE
    SYNTAX       INTEGER (1..2147483647)
    MAX-ACCESS   not-accessible
    STATUS       current
    DESCRIPTION
       "An arbitrary integer to differentiate multiple rows containing
       different ATM addresses for the same service on the same
       interface.  This number need NOT be the same as the corresponding
       ILMI atmfSrvcRegAddressIndex MIB object."
    ::= { atmIlmiSrvcRegEntry 3 }

atmIlmiSrvcRegATMAddress OBJECT-TYPE
    SYNTAX       AtmAddr
    MAX-ACCESS   read-create
    STATUS       current
    DESCRIPTION
       "This is the full address of the service.  The user-side of the
       adjacent device may use this address to establish a connection
       with the service."
    ::= { atmIlmiSrvcRegEntry 4 }

atmIlmiSrvcRegParm1 OBJECT-TYPE
    SYNTAX       OCTET STRING (SIZE(1..255))
    MAX-ACCESS   read-create
    STATUS       current
    DESCRIPTION
       "An octet string used according to the value of
       atmIlmiSrvcRegServiceID."
    ::= { atmIlmiSrvcRegEntry 5 }

atmIlmiSrvcRegRowStatus OBJECT-TYPE
    SYNTAX       RowStatus
    MAX-ACCESS   read-create
    STATUS       current
    DESCRIPTION
       "This object is used to create or destroy an entry from this
       table."
    ::= { atmIlmiSrvcRegEntry 6 }




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  -- 16. ILMI Network Prefix Table

atmIlmiNetworkPrefixTable    OBJECT-TYPE
    SYNTAX       SEQUENCE OF AtmIlmiNetworkPrefixEntry
    MAX-ACCESS   not-accessible
    STATUS       current
    DESCRIPTION
       "A table specifying per-interface network prefix(es) supplied by
       the network side of the UNI during ILMI address registration.
       When no network prefixes are specified for a particular
       interface, one or more network prefixes based on the switch
       address(es) may be used for ILMI address registration."
    ::= { atm2MIBObjects 16 }

atmIlmiNetworkPrefixEntry OBJECT-TYPE
    SYNTAX       AtmIlmiNetworkPrefixEntry
    MAX-ACCESS   not-accessible
    STATUS       current
    DESCRIPTION
       "Information about a single network prefix supplied by the
       network side of the UNI during ILMI address registration.  Note
       that the index variable atmIlmiNetPrefixPrefix is a variable-
       length string, and as such the rule for variable-length strings
       in section 7.7 of RFC 2578 applies."
    INDEX   { ifIndex,
              atmIlmiNetPrefixPrefix }
    ::= { atmIlmiNetworkPrefixTable 1 }

AtmIlmiNetworkPrefixEntry ::=
    SEQUENCE {
           atmIlmiNetPrefixPrefix       AtmIlmiNetworkPrefix,
           atmIlmiNetPrefixRowStatus    RowStatus
    }

atmIlmiNetPrefixPrefix    OBJECT-TYPE
    SYNTAX       AtmIlmiNetworkPrefix
    MAX-ACCESS   not-accessible
    STATUS       current
    DESCRIPTION
       "The network prefix specified for use in ILMI address
       registration."
    ::= { atmIlmiNetworkPrefixEntry 1 }

atmIlmiNetPrefixRowStatus    OBJECT-TYPE
    SYNTAX       RowStatus
    MAX-ACCESS   read-create
    STATUS       current
    DESCRIPTION



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       "Used to create, delete, activate and de-activate network
       prefixes used in ILMI address registration."

    ::= { atmIlmiNetworkPrefixEntry 2 }

  -- 17. ATM Switch Address Table

atmSwitchAddressTable    OBJECT-TYPE
    SYNTAX       SEQUENCE OF AtmSwitchAddressEntry
    MAX-ACCESS   not-accessible
    STATUS       current
    DESCRIPTION
       "This table contains one or more ATM endsystem addresses on a
       per-switch basis.  These addresses are used to identify the
       switch.  When no ILMI network prefixes are configured for certain
       interfaces, network prefixes based on the switch address(es) may
       be used for ILMI address registration."
    ::= { atm2MIBObjects 17 }

atmSwitchAddressEntry    OBJECT-TYPE
    SYNTAX       AtmSwitchAddressEntry
    MAX-ACCESS   not-accessible
    STATUS       current
    DESCRIPTION
       "An entry in the ATM Switch Address table."
    INDEX { atmSwitchAddressIndex }
    ::= { atmSwitchAddressTable 1 }

AtmSwitchAddressEntry ::=
    SEQUENCE {
               atmSwitchAddressIndex           Integer32,
               atmSwitchAddressAddress         OCTET STRING,
               atmSwitchAddressRowStatus       RowStatus
    }

atmSwitchAddressIndex   OBJECT-TYPE
    SYNTAX       Integer32 (1..65535)
    MAX-ACCESS   not-accessible
    STATUS       current
    DESCRIPTION
       "An arbitrary index used to enumerate the ATM endsystem addresses
       for this switch."
    ::= { atmSwitchAddressEntry 1 }

atmSwitchAddressAddress   OBJECT-TYPE
    SYNTAX       OCTET STRING (SIZE(13|20))
    MAX-ACCESS   read-create
    STATUS       current



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    DESCRIPTION
       "An ATM endsystem address or address prefix used to identify this
       switch.  When no ESI or SEL field is specified, the switch may
       generate the ESI and SEL fields automatically to obtain a
       complete 20-byte ATM endsystem address."
    ::= { atmSwitchAddressEntry 2 }

atmSwitchAddressRowStatus OBJECT-TYPE
    SYNTAX       RowStatus
    MAX-ACCESS   read-create
    STATUS       current
    DESCRIPTION
       "Used to create, delete, activate, and de-activate addresses used
       to identify this switch."
    ::= { atmSwitchAddressEntry 3 }

  -- 18. ATM VP Cross-Connect Extension Table

atmVpCrossConnectXTable OBJECT-TYPE
    SYNTAX       SEQUENCE OF AtmVpCrossConnectXEntry
    MAX-ACCESS   not-accessible
    STATUS       current
    DESCRIPTION
       "This table contains one row per VP Cross-Connect represented in
       the atmVpCrossConnectTable."
    ::= { atm2MIBObjects 18 }

atmVpCrossConnectXEntry       OBJECT-TYPE
    SYNTAX       AtmVpCrossConnectXEntry
    MAX-ACCESS   not-accessible
    STATUS       current
    DESCRIPTION
       "Information about a particular ATM VP Cross-Connect.
       Each entry provides an two objects that name the Cross-Connect.
       One is assigned by the Service User and the other by the Service
       Provider."
    AUGMENTS     { atmVpCrossConnectEntry }
    ::= { atmVpCrossConnectXTable 1 }

AtmVpCrossConnectXEntry ::= SEQUENCE {
      atmVpCrossConnectUserName       SnmpAdminString,
      atmVpCrossConnectProviderName   SnmpAdminString
}

atmVpCrossConnectUserName OBJECT-TYPE
    SYNTAX       SnmpAdminString (SIZE(0..255))
    MAX-ACCESS   read-create
    STATUS       current



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    DESCRIPTION
       "This is a service user assigned textual representation of a VPC
       PVC."
    ::= { atmVpCrossConnectXEntry 1 }

atmVpCrossConnectProviderName OBJECT-TYPE
    SYNTAX       SnmpAdminString (SIZE(0..255))
    MAX-ACCESS   read-only
    STATUS       current
    DESCRIPTION
       "This is a system supplied textual representation of VPC PVC.  It
       is assigned by the service provider."
    ::= { atmVpCrossConnectXEntry 2 }

  -- 19. ATM VC Cross-Connect Extension Table

atmVcCrossConnectXTable OBJECT-TYPE
    SYNTAX       SEQUENCE OF AtmVcCrossConnectXEntry
    MAX-ACCESS   not-accessible
    STATUS       current
    DESCRIPTION
       "This table contains one row per VC Cross-Connect represented in
       the atmVcCrossConnectTable."
    ::= { atm2MIBObjects 19 }

atmVcCrossConnectXEntry       OBJECT-TYPE
    SYNTAX       AtmVcCrossConnectXEntry
    MAX-ACCESS   not-accessible
    STATUS       current
    DESCRIPTION
       "Information about a particular ATM VC Cross-Connect.
       Each entry provides an two objects that name the Cross-Connect.
       One is assigned by the Service User and the other by the Service
       Provider."
    AUGMENTS   { atmVcCrossConnectEntry }
    ::= { atmVcCrossConnectXTable 1 }

AtmVcCrossConnectXEntry ::= SEQUENCE {
      atmVcCrossConnectUserName       SnmpAdminString,
      atmVcCrossConnectProviderName   SnmpAdminString
}

atmVcCrossConnectUserName OBJECT-TYPE
    SYNTAX       SnmpAdminString (SIZE(0..255))
    MAX-ACCESS   read-create
    STATUS       current
    DESCRIPTION
       "This is a service user assigned textual representation of a VCC



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       PVC."
    ::= { atmVcCrossConnectXEntry 1 }

atmVcCrossConnectProviderName OBJECT-TYPE
    SYNTAX       SnmpAdminString (SIZE(0..255))
    MAX-ACCESS   read-only
    STATUS       current
    DESCRIPTION
       "This is a system supplied textual representation of VCC PVC.  It
       is assigned by the service provider."
    ::= { atmVcCrossConnectXEntry 2 }


  -- 20. Currently Failing PVPL Table

atmCurrentlyFailingPVplTable    OBJECT-TYPE
    SYNTAX       SEQUENCE OF AtmCurrentlyFailingPVplEntry
    MAX-ACCESS   not-accessible
    STATUS       current
    DESCRIPTION
       "A table indicating all VPLs for which there is an active row in
       the atmVplTable having an atmVplConnKind value of `pvc' and an
       atmVplOperStatus with a value other than `up'."
    ::= { atm2MIBObjects 20 }

atmCurrentlyFailingPVplEntry    OBJECT-TYPE
    SYNTAX       AtmCurrentlyFailingPVplEntry
    MAX-ACCESS   not-accessible
    STATUS       current
    DESCRIPTION
       "Each entry in this table represents a VPL for which the
       atmVplRowStatus is `active', the atmVplConnKind is `pvc', and the
       atmVplOperStatus is other than `up'."
    INDEX   { ifIndex, atmVplVpi }
    ::= { atmCurrentlyFailingPVplTable 1 }

AtmCurrentlyFailingPVplEntry ::=
    SEQUENCE {
               atmCurrentlyFailingPVplTimeStamp    TimeStamp
    }

atmCurrentlyFailingPVplTimeStamp    OBJECT-TYPE
    SYNTAX       TimeStamp
    MAX-ACCESS   read-only
    STATUS       current
    DESCRIPTION
       "The time at which this PVPL began to fail."
    ::= { atmCurrentlyFailingPVplEntry 1 }



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  -- 21. Currently Failing PVCL Table

atmCurrentlyFailingPVclTable    OBJECT-TYPE
    SYNTAX       SEQUENCE OF AtmCurrentlyFailingPVclEntry
    MAX-ACCESS   not-accessible
    STATUS       current
    DESCRIPTION
       "A table indicating all VCLs for which there is an active row in
       the atmVclTable having an atmVclConnKind value of `pvc' and an
       atmVclOperStatus with a value other than `up'."
    ::= { atm2MIBObjects 21 }

atmCurrentlyFailingPVclEntry    OBJECT-TYPE
    SYNTAX       AtmCurrentlyFailingPVclEntry
    MAX-ACCESS   not-accessible
    STATUS       current
    DESCRIPTION
       "Each entry in this table represents a VCL for which the
       atmVclRowStatus is `active', the atmVclConnKind is `pvc', and the
       atmVclOperStatus is other than `up'."
    INDEX        { ifIndex, atmVclVpi, atmVclVci }
    ::= { atmCurrentlyFailingPVclTable 1 }

AtmCurrentlyFailingPVclEntry ::=
    SEQUENCE {
               atmCurrentlyFailingPVclTimeStamp    TimeStamp
    }

atmCurrentlyFailingPVclTimeStamp    OBJECT-TYPE
    SYNTAX       TimeStamp
    MAX-ACCESS   read-only
    STATUS       current
    DESCRIPTION
       "The time at which this PVCL began to fail."
    ::= { atmCurrentlyFailingPVclEntry 1 }

  -- ATM PVC Traps

  atmPvcTraps    OBJECT IDENTIFIER ::= { atm2MIBTraps 1 }

  atmPvcTrapsPrefix    OBJECT IDENTIFIER ::= { atmPvcTraps 0 }

  atmIntfPvcFailuresTrap    NOTIFICATION-TYPE
    OBJECTS      { ifIndex, atmIntfPvcFailures,
                   atmIntfCurrentlyFailingPVpls,
                   atmIntfCurrentlyFailingPVcls }
    STATUS       current
    DESCRIPTION



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       "A notification indicating that one or more PVPLs or PVCLs on
       this interface has failed since the last atmPvcFailuresTrap was
       sent.  If this trap has not been sent for the last
       atmIntfPvcNotificationInterval, then it will be sent on the next
       increment of atmIntfPvcFailures."
    ::= { atmPvcTrapsPrefix 1 }

  -- Conformance Information

atm2MIBConformance   OBJECT IDENTIFIER ::= {atm2MIB 3}

atm2MIBGroups        OBJECT IDENTIFIER ::= {atm2MIBConformance 1}

atm2MIBCompliances   OBJECT IDENTIFIER ::= {atm2MIBConformance 2}

  -- Compliance Statements

atm2MIBCompliance   MODULE-COMPLIANCE
    STATUS       current
    DESCRIPTION
        "The compliance statement for SNMP entities which represent ATM
         interfaces.  The compliance statements are used to determine
         if a particular group or object applies to hosts,
         networks/switches, or both.  The Common group is defined as
         applicable to all three."

    MODULE  -- this module
    MANDATORY-GROUPS  { atmCommonGroup }

  -- Objects in the ATM Switch/Service/Host Group

    GROUP       atmCommonStatsGroup
    DESCRIPTION
        "This group is mandatory for systems that are supporting
         per-VPC or per-VCC counters."

    OBJECT       atmVplLogicalPortDef
    MIN-ACCESS   read-only
    DESCRIPTION
        "This object is mandatory for systems support ATM Logical
         Port interfaces."

    OBJECT       atmIntfSigVccRxTrafficDescrIndex
    DESCRIPTION
        "This object is mandatory for systems that support negotiation
         of signalling VCC traffic parameters through ILMI."

    OBJECT       atmIntfSigVccTxTrafficDescrIndex



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    DESCRIPTION
        "This object is mandatory for systems that support negotiation
         of signalling VCC traffic parameters through ILMI."

    OBJECT       atmCurrentlyFailingPVplTimeStamp
    DESCRIPTION
        "This object is optional."

    OBJECT       atmCurrentlyFailingPVclTimeStamp
    DESCRIPTION
        "This object is optional."

    OBJECT       atmIntfLeafSetupFailures
    DESCRIPTION
        "This object is optional."

    OBJECT       atmIntfLeafSetupRequests
    DESCRIPTION
        "This object is optional."

  -- Objects in the ATM Switch/Service Group

    GROUP        atmSwitchServcGroup
    DESCRIPTION
        "This group is mandatory for a Switch/Service that implements
         ATM interfaces."

    OBJECT       atmIfRegAddrRowStatus
    MIN-ACCESS   read-only
    DESCRIPTION
        "Write access is not required, and only one of the six
         enumerated values for the RowStatus textual convention need
         be supported, specifically: active(1)."

    OBJECT       atmSvcVpCrossConnectRowStatus
    MIN-ACCESS   read-only
    DESCRIPTION
        "Write access is not required, and only one of the six
         enumerated values for the RowStatus textual convention need
         be supported, specifically: active(1)"

    OBJECT       atmSvcVcCrossConnectRowStatus
    MIN-ACCESS   read-only
    DESCRIPTION
        "Write access is not required, and only one of the six
         enumerated values for the RowStatus textual convention need
         be supported, specifically: active(1)"




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  -- Objects in the ATM Switch/Service Signalling Group

    GROUP       atmSwitchServcSigGroup
    DESCRIPTION
        "This group's write access is not required."

  -- Objects in the ATM Switch/Service Notifications Group

    GROUP        atmSwitchServcNotifGroup
    DESCRIPTION
        "This group is optional for systems implementing support for
         an ATM Switch or an ATM Network Service."

  -- Objects in the ATM Switch Group

    GROUP        atmSwitchGroup
    DESCRIPTION
        "This group is optional for a switch that implements ATM
         interfaces."

  -- Objects in the ATM Service Group

    GROUP        atmServcGroup
    DESCRIPTION
        "This group is mandatory for systems implementing support for
         an ATM Network Service."

  -- Objects in the ATM Host Group

    GROUP        atmHostGroup
    DESCRIPTION
        "This group is mandatory for a Host that implements ATM
         interfaces."

    OBJECT       atmVclAddrType
    MIN-ACCESS   read-only
    DESCRIPTION
        "Write access is not required."

    OBJECT       atmVclAddrRowStatus
    MIN-ACCESS   read-only
    DESCRIPTION
        "Write access is not required, and only one of the six
         enumerated values for the RowStatus textual convention need
         be supported, specifically:  active(1)."

  -- ATM Host Sig Descriptor Parameter Group




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    GROUP        atmHostSigDescrGroup
    DESCRIPTION
        "This group is mandatory for a Host that implements ATM
         interfaces.  Write access is not required for this group."

    ::= { atm2MIBCompliances 1 }

  -- **********************************************

  -- Units of Conformance
  -- Mandatory for ATM hosts and switch/service providers

atmCommonGroup     OBJECT-GROUP

OBJECTS {
    atmSigSSCOPConEvents,
    atmSigSSCOPErrdPdus,
    atmSigDetectSetupAttempts,
    atmSigEmitSetupAttempts,
    atmSigDetectUnavailRoutes,
    atmSigEmitUnavailRoutes,
    atmSigDetectUnavailResrcs,
    atmSigEmitUnavailResrcs,
    atmSigDetectCldPtyEvents,
    atmSigEmitCldPtyEvents,
    atmSigDetectMsgErrors,
    atmSigEmitMsgErrors,
    atmSigDetectClgPtyEvents,
    atmSigEmitClgPtyEvents,
    atmSigDetectTimerExpireds,
    atmSigEmitTimerExpireds,
    atmSigDetectRestarts,
    atmSigEmitRestarts,
    atmSigInEstabls,
    atmSigOutEstabls,
    atmVplLogicalPortDef,
    atmVplLogicalPortIndex,
    atmInterfaceConfMaxSvpcVpi,
    atmInterfaceCurrentMaxSvpcVpi,
    atmInterfaceConfMaxSvccVpi,
    atmInterfaceCurrentMaxSvccVpi,
    atmInterfaceConfMinSvccVci,
    atmInterfaceCurrentMinSvccVci,
    atmIntfSigVccRxTrafficDescrIndex,
    atmIntfSigVccTxTrafficDescrIndex,
    atmIntfPvcFailures,
    atmIntfCurrentlyFailingPVpls,
    atmIntfCurrentlyFailingPVcls,



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    atmIntfPvcNotificationInterval,
    atmIntfPvcFailuresTrapEnable,
    atmIntfLeafSetupFailures,
    atmIntfLeafSetupRequests,
    atmIntfConfigType,
    atmIntfActualType,
    atmIntfConfigSide,
    atmIntfActualSide,
    atmIntfIlmiAdminStatus,
    atmIntfIlmiOperStatus,
    atmIntfIlmiFsmState,
    atmIntfIlmiEstablishConPollIntvl,
    atmIntfIlmiCheckConPollIntvl,
    atmIntfIlmiConPollInactFactor,
    atmIntfIlmiPublicPrivateIndctr,
    atmCurrentlyFailingPVplTimeStamp,
    atmCurrentlyFailingPVclTimeStamp
}

  STATUS       current
  DESCRIPTION
    "A collection of objects providing information
    for a Switch/Service/Host that implements
    ATM interfaces."
  ::= { atm2MIBGroups 1 }

atmCommonStatsGroup     OBJECT-GROUP

OBJECTS {
    atmVclStatTotalCellIns,
    atmVclStatClp0CellIns,
    atmVclStatTotalDiscards,
    atmVclStatClp0Discards,
    atmVclStatTotalCellOuts,
    atmVclStatClp0CellOuts,
    atmVclStatClp0Tagged,
    atmVplStatTotalCellIns,
    atmVplStatClp0CellIns,
    atmVplStatTotalDiscards,
    atmVplStatClp0Discards,
    atmVplStatTotalCellOuts,
    atmVplStatClp0CellOuts,
    atmVplStatClp0Tagged
}

  STATUS       current
  DESCRIPTION
    "A collection of objects providing information



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    for a Switch/Service/Host that implements
    ATM VCL and VPL Statistics"
  ::= { atm2MIBGroups 2 }

  atmSwitchServcGroup     OBJECT-GROUP

  OBJECTS {
    atmIlmiSrvcRegATMAddress,
    atmIlmiSrvcRegParm1,
    atmIlmiSrvcRegRowStatus,
    atmIlmiNetPrefixRowStatus,
    atmSvcVpCrossConnectCreationTime,
    atmSvcVpCrossConnectRowStatus,
    atmSvcVcCrossConnectCreationTime,
    atmSvcVcCrossConnectRowStatus,
    atmIfRegAddrAddressSource,
    atmIfRegAddrOrgScope,
    atmIfRegAddrRowStatus}
  STATUS       current
  DESCRIPTION
    "A collection of objects providing information
    for a Switch/Service that implements ATM interfaces."
  ::= { atm2MIBGroups 3 }

  atmSwitchServcSigGroup     OBJECT-GROUP

  OBJECTS {
    atmSigSupportClgPtyNumDel,
    atmSigSupportClgPtySubAddr,
    atmSigSupportCldPtySubAddr,
    atmSigSupportHiLyrInfo,
    atmSigSupportLoLyrInfo,
    atmSigSupportBlliRepeatInd,
    atmSigSupportAALInfo,
    atmSigSupportPrefCarrier}
  STATUS       current
  DESCRIPTION
    "A collection of objects providing information
    for a Switch/Service that implements ATM signalling."
  ::= { atm2MIBGroups 4 }

    atmSwitchServcNotifGroup     NOTIFICATION-GROUP

    NOTIFICATIONS { atmIntfPvcFailuresTrap }
    STATUS       current
    DESCRIPTION
        "A collection of notifications providing information
        for a Switch/Service that implements ATM interfaces."



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    ::= { atm2MIBGroups 5 }

    atmSwitchGroup     OBJECT-GROUP
        OBJECTS {
            atmSwitchAddressAddress,
            atmSwitchAddressRowStatus }
        STATUS       current
        DESCRIPTION
          "A collection of objects providing information
          for an ATM switch."
        ::= { atm2MIBGroups 6 }

    atmServcGroup     OBJECT-GROUP

    OBJECTS {
        atmVpCrossConnectUserName,
        atmVpCrossConnectProviderName,
        atmVcCrossConnectUserName,
        atmVcCrossConnectProviderName }
    STATUS       current
    DESCRIPTION
        "A collection of objects providing information
        for an ATM Network Service."
    ::= { atm2MIBGroups 7 }

    atmHostGroup     OBJECT-GROUP

    OBJECTS {
        atmAal5VclInPkts,
        atmAal5VclOutPkts,
        atmAal5VclInOctets,
        atmAal5VclOutOctets,
        atmVclAddrType,
        atmVclAddrRowStatus,
        atmAddrVclAddrType,
        atmVclGenSigDescrIndex}
    STATUS       current
    DESCRIPTION
      "A collection of objects providing information
      for a Host that implements ATM interfaces."
    ::= { atm2MIBGroups 8 }

    atmHostSigDescrGroup     OBJECT-GROUP

    OBJECTS {
           atmSigDescrParamAalType,
           atmSigDescrParamAalSscsType,
           atmSigDescrParamBhliType,



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           atmSigDescrParamBhliInfo,
           atmSigDescrParamBbcConnConf,
           atmSigDescrParamBlliLayer2,
           atmSigDescrParamBlliLayer3,
           atmSigDescrParamBlliPktSize,
           atmSigDescrParamBlliSnapId,
           atmSigDescrParamBlliOuiPid,
           atmSigDescrParamRowStatus}
    STATUS       current
    DESCRIPTION
      "A collection of objects providing information
      for a Host that implements ATM interfaces."
    ::= { atm2MIBGroups 9 }

END

6.  Acknowledgments

   This document is a product of the AToMMIB Working Group.  Special
   thanks go to Gary Hanson of ADC Telecommunications for his quality
   contributions to this specification.

   The authors also like to acknowledge John Flick of HP for his
   thorough and valuable review of this memo.

7.  References

7.1.  Normative References

   [RFC2515]            Tesink, K., Ed., "Definitions of Managed Objects
                        for ATM Management", RFC 2515, February 1999.

   [ATM Forum 3.0]      ATM Forum, "ATM User-Network Interface
                        Specification, Version 3.0 (UNI 3.0)", September
                        1993.

   [ATM Forum UNI 3.1]  ATM Forum, "ATM User-Network Interface
                        Specification, Version 3.1 (UNI 3.1)", September
                        1994.

   [ATM Forum LANE]     ATM Forum, "LAN Emulation Client Management
                        Specification, Version 1.0", af-lane-0038.000,
                        September 1995.

   [RFC1694]            Brown, T. and K. Tesink, "Definitions of Managed
                        Objects for SMDS Interfaces using SMIv2", RFC
                        1694, August 1994.




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   [ATM Forum ILMI]     ATM Forum, "Integrated Local Management
                        Interface (ILMI) Specification, Version 4.0",

   [RFC3592]            Tesink, K., "Definitions of Managed Objects for
                        the Synchronous Optical Network/Synchronous
                        Digital Hierarchy (SONET/SDH) Interface Type",
                        RFC 3592, September 2003.

   [RFC2496]            Fowler, D., Ed., "Definitions of Managed Objects
                        for the DS3/E3 Interface Type", RFC 2496,
                        January 1999.

   [RFC2578]            McCloghrie, K., Perkins, D., Schoenwaelder, J.,
                        Case, J., Rose, M., and S. Waldbusser,
                        "Structure of Management Information Version 2
                        (SMIv2)", STD 58, RFC 2578, April 1999.

   [RFC2579]            McCloghrie, K., Perkins, D., Schoenwaelder, J.,
                        Case, J., Rose, M., and S. Waldbusser, "Textual
                        Conventions for SMIv2", STD 58, RFC 2579, April
                        1999.

   [RFC2580]            McCloghrie, K., Perkins, D., Schoenwaelder, J.,
                        Case, J., Rose, M., and S. Waldbusser,
                        "Conformance Statements for SMIv2", STD 58, RFC
                        2580, April 1999.

   [RFC2863]            McCloghrie, K. and F. Kastenholz, "The
                        Interfaces Group MIB", RFC 2863, June 2000.

7.2.  Informative References

   [RFC3410]            Case, J., Mundy, R., Partain, D. and B. Stewart,
                        "Introduction and Applicability Statements for
                        Internet-Standard Management Framework", RFC
                        3410, December 2002.

8.  Security Considerations

   There are a number of management objects defined in this MIB module
   with a MAX-ACCESS clause of read-write and/or read-create.  Such
   objects may be considered sensitive or vulnerable in some network
   environments.  The support for SET operations in a non-secure
   environment without proper protection can have a negative effect on
   network operations.  These are the tables and objects and their
   sensitivity/vulnerability:





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   Table                              Sensitivity/vulnerability

   1. atmSvcVpCrossConnectTable       Deletion of VP cross-connects
   2. atmSvcVcCrossConnectTable       Deletion of VC cross-connects
   3. atmSigStatTable                 Signalling read-only statistics
   4. atmSigSupportTable              Signalling configuration params
   5. atmSigDescrParamTable           Signalling configuration params
   6. atmIfRegisteredAddrTable        Interface address table
   7. atmVclAddrTable                 VCL/Address mapping table
   8. atmAddrVclTable                 VCL/Address mapping table
                                          (read-only)
   9. atmVplStatTable                 VPL statistics (read-only)
   10. atmVplLogicalPortTable         VPL logical port configuration
   11. atmVclStatTable                VCL statistics (read-only)
   12. atmAal5VclStatTable            AAL5 statistics (read-only)
   13. atmVclGenTable                 Signalling configuration
   14. atmInterfaceExtTable           Interface configuration
   15. atmIlmiSrvcRegTable            ILMI config params
   16. atmIlmiNetworkPrefixTable      ILMI config params
   17. atmSwitchAddressTable          Switch address info
   18. atmVpCrossConnectXTable        VP cross-connect params
   19. atmVcCrossConnectXTable        VC cross-connect params
   20. atmCurrentlyFailingPVplTable   PVPL status info (read-only)
   21. atmCurrentlyFailingPVclTable   PVCL status info (read-only)

   Some of the readable objects in this MIB module (i.e., objects with a
   MAX-ACCESS other than not-accessible) may be considered sensitive or
   vulnerable in some network environments.  It is thus important to
   control even GET and/or NOTIFY access to these objects and possibly
   to even encrypt the values of these objects when sending them over
   the network via SNMP.

   SNMP versions prior to SNMPv3 did not include adequate security.
   Even if the network itself is secure (for example by using IPSec),
   even then, there is no control as to who on the secure network is
   allowed to access and GET/SET (read/change/create/delete) the objects
   in this MIB module.

   It is RECOMMENDED that implementers consider the security features as
   provided by the SNMPv3 framework (see [RFC3410], section 8),
   including full support for the SNMPv3 cryptographic mechanisms (for
   authentication and privacy).

   Further, deployment of SNMP versions prior to SNMPv3 is NOT
   RECOMMENDED.  Instead, it is RECOMMENDED to deploy SNMPv3 and to
   enable cryptographic security.  It is then a customer/operator
   responsibility to ensure that the SNMP entity giving access to an




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   instance of this MIB module is properly configured to give access to
   the objects only to those principals (users) that have legitimate
   rights to indeed GET or SET (change/create/delete) them.

9. Intellectual Property Statement

   The IETF takes no position regarding the validity or scope of any
   intellectual property or other rights that might be claimed to
   pertain to the implementation or use of the technology described in
   this document or the extent to which any license under such rights
   might or might not be available; neither does it represent that it
   has made any effort to identify any such rights.  Information on the
   IETF's procedures with respect to rights in standards-track and
   standards-related documentation can be found in BCP-11.  Copies of
   claims of rights made available for publication and any assurances of
   licenses to be made available, or the result of an attempt made to
   obtain a general license or permission for the use of such
   proprietary rights by implementers or users of this specification can
   be obtained from the IETF Secretariat."

   The IETF invites any interested party to bring to its attention any
   copyrights, patents or patent applications, or other proprietary
   rights which may cover technology that may be required to practice
   this standard.  Please address the information to the IETF Executive
   Director.


























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10.  Authors' Addresses

   Faye Ly
   Pedestal Networks
   6503 Dumbarton Circle
   Fremont, CA 94555
   USA

   Phone (510) 896-2908
   EMail: faye@pedestalnetworks.com


   Michael Noto
   Cisco Systems
   170 W. Tasman Drive
   San Jose, CA 95134-1706
   USA

   EMail: mnoto@cisco.com


   Andrew Smith
   Consultant

   EMail: ah_smith@acm.org


   Ethan Mickey Spiegel
   Cisco Systems
   170 W. Tasman Drive
   San Jose, CA 95134-1706

   Phone: (408) 526-6408
   EMail: mspiegel@cisco.com


   Kaj Tesink
   Telcordia Technologies
   331 Newman Springs Road
   Red Bank, NJ  07701-7020

   Phone: (732) 758-5254
   EMail: kaj@research.telcordia.com








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11.  Full Copyright Statement

   Copyright (C) The Internet Society (2003).  All Rights Reserved.

   This document and translations of it may be copied and furnished to
   others, and derivative works that comment on or otherwise explain it
   or assist in its implementation may be prepared, copied, published
   and distributed, in whole or in part, without restriction of any
   kind, provided that the above copyright notice and this paragraph are
   included on all such copies and derivative works.  However, this
   document itself may not be modified in any way, such as by removing
   the copyright notice or references to the Internet Society or other
   Internet organizations, except as needed for the purpose of
   developing Internet standards in which case the procedures for
   copyrights defined in the Internet Standards process must be
   followed, or as required to translate it into languages other than
   English.

   The limited permissions granted above are perpetual and will not be
   revoked by the Internet Society or its successors or assignees.

   This document and the information contained herein is provided on an
   "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
   TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
   BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
   HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.

Acknowledgement

   Funding for the RFC Editor function is currently provided by the
   Internet Society.



















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