path: root/doc/rfc/rfc6945.txt

Internet Engineering Task Force (IETF)                           R. Bush
Request for Comments: 6945                     Internet Initiative Japan
Category: Standards Track                                      B. Wijnen
ISSN: 2070-1721                                                 RIPE NCC
                                                                K. Patel
                                                           Cisco Systems
                                                                 M. Baer
                                                                  SPARTA
                                                                May 2013


                 Definitions of Managed Objects for the
      Resource Public Key Infrastructure (RPKI) to Router Protocol

Abstract

   This document defines a portion of the Management Information Base
   (MIB) for use with network management protocols in the Internet
   community.  In particular, it describes objects used for monitoring
   the Resource Public Key Infrastructure (RPKI) to Router Protocol.

Status of This Memo

   This is an Internet Standards Track document.

   This document is a product of the Internet Engineering Task Force
   (IETF).  It represents the consensus of the IETF community.  It has
   received public review and has been approved for publication by the
   Internet Engineering Steering Group (IESG).  Further information on
   Internet Standards is available in Section 2 of RFC 5741.

   Information about the current status of this document, any errata,
   and how to provide feedback on it may be obtained at
   http://www.rfc-editor.org/info/rfc6945.

















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Copyright Notice

   Copyright (c) 2013 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal
   Provisions Relating to IETF Documents
   (http://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect
   to this document.  Code Components extracted from this document must
   include Simplified BSD License text as described in Section 4.e of
   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Requirements Language . . . . . . . . . . . . . . . . . .   2
   2.  The Internet-Standard Management Framework  . . . . . . . . .   2
   3.  Overview  . . . . . . . . . . . . . . . . . . . . . . . . . .   3
   4.  Definitions . . . . . . . . . . . . . . . . . . . . . . . . .   3
   5.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  22
   6.  Security Considerations . . . . . . . . . . . . . . . . . . .  22
   7.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  23
     7.1.  Normative References  . . . . . . . . . . . . . . . . . .  23
     7.2.  Informative References  . . . . . . . . . . . . . . . . .  24

1.  Introduction

   This document defines a portion of the Management Information Base
   (MIB) for use with network management protocols in the Internet
   community.  In particular, it defines objects used for monitoring the
   RPKI-Router Protocol [RFC6810].

1.1.  Requirements Language

   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
   "SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and
   "OPTIONAL" in this document are to be interpreted as described in RFC
   2119 [RFC2119].

2.  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.



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   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].

3.  Overview

   The objects defined in this document are used to monitor the RPKI-
   Router Protocol [RFC6810].  The MIB module defined here is broken
   into these tables: the RPKI-Router Cache Server (Connection) Table,
   the RPKI-Router Cache Server Errors Table, and the RPKI-Router Prefix
   Origin Table.

   The RPKI-Router Cache Server Table contains information about the
   state and current activity of connections with the RPKI-router cache
   servers.  It also contains counters for the number of messages
   received and sent, plus the number of announcements, withdrawals, and
   active records.  The RPKI-Router Cache Server Errors Table contains
   counters of occurrences of errors on the connections (if any).  The
   RPKI-Router Prefix Origin Table contains IP prefixes with their
   minimum and maximum prefix lengths and the Origin Autonomous System
   (AS).  This data is the collective set of information received from
   all RPKI cache servers that the router is connected with.  The cache
   servers are running the RPKI-Router Protocol.

   Two notifications have been defined to inform a Network Management
   Station (NMS) or operators about changes in the connection state of
   the connections listed in the RPKI-Router Cache Server (Connection)
   Table.

4.  Definitions

   The following MIB module imports definitions from [RFC2578],
   [RFC2579], [RFC2580], [RFC4001], and [RFC2287].  That means we have a
   normative reference to each of those documents.

   The MIB module also has a normative reference to the RPKI-Router
   Protocol [RFC6810].  Furthermore, for background and informative
   information, the MIB module refers to [RFC1982], [RFC4252],
   [RFC5246], and [RFC5925].









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   RPKI-ROUTER-MIB DEFINITIONS ::= BEGIN

   IMPORTS

       MODULE-IDENTITY, OBJECT-TYPE, NOTIFICATION-TYPE,
       Integer32, Unsigned32, mib-2, Gauge32, Counter32
               FROM SNMPv2-SMI                          -- RFC 2578

       InetAddressType, InetAddress, InetPortNumber,
       InetAddressPrefixLength, InetAutonomousSystemNumber
               FROM INET-ADDRESS-MIB                    -- RFC 4001

       TEXTUAL-CONVENTION, TimeStamp
               FROM SNMPv2-TC                           -- RFC 2579

       MODULE-COMPLIANCE, OBJECT-GROUP, NOTIFICATION-GROUP
               FROM SNMPv2-CONF                         -- RFC 2580

       LongUtf8String FROM SYSAPPL-MIB                  -- RFC 2287

       ;

   rpkiRtrMIB  MODULE-IDENTITY
       LAST-UPDATED "201305010000Z"
       ORGANIZATION "IETF Secure Inter-Domain Routing (SIDR)
                     Working Group
                    "
       CONTACT-INFO "Working Group Email: sidr@ietf.org

                     Randy Bush
                     Internet Initiative Japan
                     5147 Crystal Springs
                     Bainbridge Island, WA  98110
                     USA
                     Email: randy@psg.com

                     Bert Wijnen
                     RIPE NCC
                     Schagen 33
                     3461 GL Linschoten
                     Netherlands
                     Email: bertietf@bwijnen.net

                     Keyur Patel
                     Cisco Systems
                     170 W. Tasman Drive
                     San Jose, CA  95134
                     USA



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                     Email: keyupate@cisco.com

                     Michael Baer
                     SPARTA
                     P.O. Box 72682
                     Davis, CA  95617
                     USA
                     Email: baerm@tislabs.com
                    "

       DESCRIPTION  "This MIB module contains management objects to
                     support monitoring of the Resource Public Key
                     Infrastructure (RPKI) protocol on routers.

                     Copyright (c) 2013 IETF Trust and the persons
                     identified as authors of the code.  All rights
                     reserved.

                     Redistribution and use in source and binary
                     forms, with or without modification, is
                     permitted pursuant to, and subject to the
                     license terms contained in, the Simplified BSD
                     License set forth in Section 4.c of the IETF
                     Trust's Legal Provisions Relating to IETF
                     Documents
                     (http://trustee.ietf.org/license-info).

                     This version of this MIB module is part of
                     RFC 6945; see the RFC itself for full legal
                     notices."

       REVISION     "201305010000Z"
       DESCRIPTION  "Initial version, published as RFC 6945."
       ::= { mib-2 218 }

   rpkiRtrNotifications  OBJECT IDENTIFIER ::= { rpkiRtrMIB 0 }
   rpkiRtrObjects        OBJECT IDENTIFIER ::= { rpkiRtrMIB 1 }
   rpkiRtrConformance    OBJECT IDENTIFIER ::= { rpkiRtrMIB 2 }

   -- ==============================================================
   -- Textual Conventions used in this MIB module
   -- ==============================================================

   RpkiRtrConnectionType ::= TEXTUAL-CONVENTION
       STATUS      current
       DESCRIPTION "The connection type used between a router (as a
                    client) and a cache server.




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                    The following types have been defined in RFC 6810:
                      ssh(1)    - Section 7.1; see also RFC 4252.
                      tls(2)    - Section 7.2; see also RFC 5246.
                      tcpMD5(3) - Section 7.3; see also RFC 2385.
                      tcpAO(4)  - Section 7.4; see also RFC 5925.
                      tcp(5)    - Section 7.
                      ipsec(6)  - Section 7; see also RFC 4301.
                      other(7)  - none of the above."

       REFERENCE   "The RPKI-Router Protocol, RFC 6810, Section 7"
       SYNTAX       INTEGER {
                           ssh(1),
                           tls(2),
                           tcpMD5(3),
                           tcpAO(4),
                           tcp(5),
                           ipsec(6),
                           other(7)
                    }

   -- ==============================================================
   -- Scalar objects
   -- ==============================================================
   rpkiRtrDiscontinuityTimer OBJECT-TYPE
       SYNTAX       TimeStamp
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION "This timer represents the timestamp (value
                    of sysUpTime) at which time any of the
                    Counter32 objects in this MIB module
                    encountered a discontinuity.

                    For objects that use rpkiRtrDiscontinuityTimer to
                    indicate discontinuity, only values received since
                    the time indicated by rpkiRtrDiscontinuityTimer are
                    comparable to each other.  A manager should take the
                    possibility of rollover into account when
                    calculating difference values.

                    In principle, that should only happen if the
                    SNMP agent or the instrumentation for this
                    MIB module starts or restarts."
       ::= { rpkiRtrObjects 1 }

   -- ==============================================================
   -- RPKI-Router Cache Server Connection Table
   -- ==============================================================




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   rpkiRtrCacheServerTable OBJECT-TYPE
       SYNTAX       SEQUENCE OF RpkiRtrCacheServerTableEntry
       MAX-ACCESS   not-accessible
       STATUS       current
       DESCRIPTION "This table lists the RPKI cache servers
                    known to this router/system."
       ::= { rpkiRtrObjects 2 }

   rpkiRtrCacheServerTableEntry OBJECT-TYPE
       SYNTAX       RpkiRtrCacheServerTableEntry
       MAX-ACCESS   not-accessible
       STATUS       current
       DESCRIPTION "An entry in the rpkiRtrCacheServerTable.
                    It holds management attributes associated
                    with one connection to a RPKI cache server.

                    Implementers should be aware that if the
                    rpkiRtrCacheServerRemoteAddress object exceeds 114
                    octets, the index values will exceed the 128
                    sub-identifier limit and cannot be accessed using
                    SNMPv1, SNMPv2c, or SNMPv3."

       INDEX        { rpkiRtrCacheServerRemoteAddressType,
                      rpkiRtrCacheServerRemoteAddress,
                      rpkiRtrCacheServerRemotePort
                    }
       ::= { rpkiRtrCacheServerTable 1 }

   RpkiRtrCacheServerTableEntry ::= SEQUENCE {
       rpkiRtrCacheServerRemoteAddressType    InetAddressType,
       rpkiRtrCacheServerRemoteAddress        InetAddress,
       rpkiRtrCacheServerRemotePort           InetPortNumber,
       rpkiRtrCacheServerLocalAddressType     InetAddressType,
       rpkiRtrCacheServerLocalAddress         InetAddress,
       rpkiRtrCacheServerLocalPort            InetPortNumber,
       rpkiRtrCacheServerPreference           Unsigned32,
       rpkiRtrCacheServerConnectionType       RpkiRtrConnectionType,
       rpkiRtrCacheServerConnectionStatus     INTEGER,
       rpkiRtrCacheServerDescription          LongUtf8String,
       rpkiRtrCacheServerMsgsReceived         Counter32,
       rpkiRtrCacheServerMsgsSent             Counter32,
       rpkiRtrCacheServerV4ActiveRecords      Gauge32,
       rpkiRtrCacheServerV4Announcements      Counter32,
       rpkiRtrCacheServerV4Withdrawals        Counter32,
       rpkiRtrCacheServerV6ActiveRecords      Gauge32,
       rpkiRtrCacheServerV6Announcements      Counter32,
       rpkiRtrCacheServerV6Withdrawals        Counter32,
       rpkiRtrCacheServerLatestSerial         Unsigned32,



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       rpkiRtrCacheServerSessionID            Unsigned32,
       rpkiRtrCacheServerRefreshTimer         Unsigned32,
       rpkiRtrCacheServerTimeToRefresh        Integer32,
       rpkiRtrCacheServerId                   Unsigned32
   }

   rpkiRtrCacheServerRemoteAddressType OBJECT-TYPE
       SYNTAX       InetAddressType
       MAX-ACCESS   not-accessible
       STATUS       current
       DESCRIPTION "The network address type of the connection
                    to this RPKI cache server.

                    Note: Only IPv4, IPv6, and DNS support are required
                    for read-only compliance with RFC 6945."
       ::= { rpkiRtrCacheServerTableEntry 1 }

   rpkiRtrCacheServerRemoteAddress OBJECT-TYPE
       SYNTAX       InetAddress
       MAX-ACCESS   not-accessible
       STATUS       current
       DESCRIPTION "The remote network address for this connection
                    to this RPKI cache server.

                    The format of the address is defined by the
                    value of the corresponding instance of
                    rpkiRtrCacheServerRemoteAddressType.

                    This object matches the address type used within
                    the local router configuration.  If the address is
                    of type dns (fqdn), then the router will resolve it
                    at the time it connects to the cache server."
       ::= { rpkiRtrCacheServerTableEntry 2 }

   rpkiRtrCacheServerRemotePort OBJECT-TYPE
       SYNTAX       InetPortNumber (1..65535)
       MAX-ACCESS   not-accessible
       STATUS       current
       DESCRIPTION "The remote port number for this connection
                    to this RPKI cache server."
       ::= { rpkiRtrCacheServerTableEntry 3 }

   rpkiRtrCacheServerLocalAddressType OBJECT-TYPE
       SYNTAX       InetAddressType
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION "The network address type of the connection
                    to this RPKI cache server.



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                    Note: Only IPv4, IPv6, and DNS support are required
                    for read-only compliance with RFC 6945."
       ::= { rpkiRtrCacheServerTableEntry 4 }

   rpkiRtrCacheServerLocalAddress OBJECT-TYPE
       SYNTAX       InetAddress
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION "The local network address for this connection
                    to this RPKI cache server.

                    The format of the address is defined by the
                    value of the corresponding instance of
                    rpkiRtrCacheServerLocalAddressType.

                    This object matches the address type used within
                    the local router configuration.  If the address is
                    of type dns (fqdn), then the router will resolve it
                    at the time it connects to the cache server."
       ::= { rpkiRtrCacheServerTableEntry 5 }

   rpkiRtrCacheServerLocalPort OBJECT-TYPE
       SYNTAX       InetPortNumber (1..65535)
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION "The local port number for this connection
                    to this RPKI cache server."
       ::= { rpkiRtrCacheServerTableEntry 6 }

   rpkiRtrCacheServerPreference OBJECT-TYPE
       SYNTAX       Unsigned32
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION "The routers' preference for this RPKI cache server.

                    A lower value means more preferred.  If two entries
                    have the same preference, then the order is
                    arbitrary.

                    In two cases, the maximum value for an Unsigned32
                    object should be returned for this object:
                    - If no order is specified in the RPKI-Router
                      configuration.
                    - If a preference value is configured that is
                      larger than the max value for an Unsigned32
                      object."

       REFERENCE    "The RPKI-Router Protocol, RFC 6810, Section 8."



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       DEFVAL       { 4294967295 }
       ::= { rpkiRtrCacheServerTableEntry 7 }

   rpkiRtrCacheServerConnectionType OBJECT-TYPE
       SYNTAX       RpkiRtrConnectionType
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION "The connection type or transport security suite
                    in use for this RPKI cache server."
       ::= { rpkiRtrCacheServerTableEntry 8 }

   rpkiRtrCacheServerConnectionStatus OBJECT-TYPE
       SYNTAX       INTEGER { up(1), down(2) }
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION "The connection status for this entry
                    (connection to this RPKI cache server)."
       ::= { rpkiRtrCacheServerTableEntry 9 }

   rpkiRtrCacheServerDescription OBJECT-TYPE
       SYNTAX       LongUtf8String
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION "Free form description/information for this
                    connection to this RPKI cache server."
       ::= { rpkiRtrCacheServerTableEntry 10 }

   rpkiRtrCacheServerMsgsReceived OBJECT-TYPE
       SYNTAX       Counter32
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION "Number of messages received from this
                    RPKI cache server via this connection.

                    Discontinuities are indicated by the value
                    of rpkiRtrDiscontinuityTimer."
       ::= { rpkiRtrCacheServerTableEntry 11 }

   rpkiRtrCacheServerMsgsSent OBJECT-TYPE
       SYNTAX       Counter32
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION "Number of messages sent to this
                    RPKI cache server via this connection.

                    Discontinuities are indicated by the value
                    of rpkiRtrDiscontinuityTimer."
       ::= { rpkiRtrCacheServerTableEntry 12 }



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   rpkiRtrCacheServerV4ActiveRecords OBJECT-TYPE
       SYNTAX       Gauge32
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION "Number of active IPv4 records received from
                    this RPKI cache server via this connection."
       ::= { rpkiRtrCacheServerTableEntry 13 }

   rpkiRtrCacheServerV4Announcements OBJECT-TYPE
       SYNTAX       Counter32
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION "The number of IPv4 records announced by the
                    RPKI cache server via this connection.

                    Discontinuities are indicated by the value
                    of rpkiRtrDiscontinuityTimer."
       ::= { rpkiRtrCacheServerTableEntry 14 }

   rpkiRtrCacheServerV4Withdrawals OBJECT-TYPE
       SYNTAX      Counter32
       MAX-ACCESS  read-only
       STATUS      current
       DESCRIPTION "The number of IPv4 records withdrawn by the
                    RPKI cache server via this connection.

                    Discontinuities are indicated by the value
                    of rpkiRtrDiscontinuityTimer."
       ::= { rpkiRtrCacheServerTableEntry 15 }

   rpkiRtrCacheServerV6ActiveRecords OBJECT-TYPE
       SYNTAX       Gauge32
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION "Number of active IPv6 records received from
                    this RPKI cache server via this connection."
       ::= { rpkiRtrCacheServerTableEntry 16 }

   rpkiRtrCacheServerV6Announcements OBJECT-TYPE
       SYNTAX       Counter32
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION "The number of IPv6 records announced by the
                    RPKI cache server via this connection.

                    Discontinuities are indicated by the value
                    of rpkiRtrDiscontinuityTimer."
       ::= { rpkiRtrCacheServerTableEntry 17 }



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   rpkiRtrCacheServerV6Withdrawals OBJECT-TYPE
       SYNTAX       Counter32
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION "The number of IPv6 records withdrawn by the
                    RPKI cache server via this connection.

                    Discontinuities are indicated by the value
                    of rpkiRtrDiscontinuityTimer."
       ::= { rpkiRtrCacheServerTableEntry 18 }

   rpkiRtrCacheServerLatestSerial OBJECT-TYPE
       SYNTAX       Unsigned32
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION "The latest serial number of data received from
                    this RPKI server on this connection.

                    Note: this value wraps back to zero when it
                    reaches its maximum value."
       REFERENCE   "RFC 1982 and RFC 6810, Section 2"
       ::= { rpkiRtrCacheServerTableEntry 19 }

   rpkiRtrCacheServerSessionID OBJECT-TYPE
       SYNTAX      Unsigned32 (0..65535)
       MAX-ACCESS  read-only
       STATUS      current
       DESCRIPTION "The Session ID associated with the RPKI cache
                    server at the other end of this connection."
       REFERENCE   "RFC 6810, Section 2"
       ::= { rpkiRtrCacheServerTableEntry 20 }

   rpkiRtrCacheServerRefreshTimer OBJECT-TYPE
       SYNTAX       Unsigned32 (60..7200)
       UNITS       "seconds"
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION "The number of seconds configured for the refresh
                    timer for this connection to this RPKI cache
                    server."
       REFERENCE   "RFC 6810, Sections 6.1 and 8"
       ::= { rpkiRtrCacheServerTableEntry 21 }

   rpkiRtrCacheServerTimeToRefresh OBJECT-TYPE
       SYNTAX       Integer32
       UNITS       "seconds"
       MAX-ACCESS   read-only
       STATUS       current



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       DESCRIPTION "The number of seconds remaining before a new
                    refresh is performed via a Serial Query to
                    this cache server over this connection.

                    A negative value means that the refresh time has
                    passed this many seconds and the refresh has not
                    yet been completed.  It will stop decrementing at
                    the maximum negative value.

                    Upon a completed refresh (i.e., a successful
                    and complete response to a Serial Query) the
                    value of this attribute will be reinitialized
                    with the value of the corresponding
                    rpkiRtrCacheServerRefreshTimer attribute."
       REFERENCE   "RFC 6810, Section 8"
       ::= { rpkiRtrCacheServerTableEntry 22 }

   rpkiRtrCacheServerId OBJECT-TYPE
       SYNTAX       Unsigned32 (1..4294967295)
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION "The unique ID for this connection.

                    An implementation must make sure this ID is unique
                    within this table.  It is this ID that can be used
                    to find entries in the rpkiRtrPrefixOriginTable
                    that were created by announcements received on
                    this connection from this cache server."
       REFERENCE   "RFC 6810, Section 4"
       ::= { rpkiRtrCacheServerTableEntry 23 }

   -- ==============================================================
   -- Errors Table
   -- ==============================================================

   rpkiRtrCacheServerErrorsTable OBJECT-TYPE
       SYNTAX       SEQUENCE OF RpkiRtrCacheServerErrorsTableEntry
       MAX-ACCESS   not-accessible
       STATUS       current
       DESCRIPTION "This table provides statistics on errors per
                    RPKI peer connection.  These can be used for
                    debugging."
       ::= { rpkiRtrObjects 3 }

   rpkiRtrCacheServerErrorsTableEntry OBJECT-TYPE
       SYNTAX       RpkiRtrCacheServerErrorsTableEntry
       MAX-ACCESS   not-accessible
       STATUS       current



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       DESCRIPTION "An entry in the rpkiCacheServerErrorTable.  It
                    holds management objects associated with errors
                    codes that were received on the specified
                    connection to a specific cache server."
       REFERENCE   "RFC 6810, Section 10"
       AUGMENTS    { rpkiRtrCacheServerTableEntry }
       ::= { rpkiRtrCacheServerErrorsTable 1 }

   RpkiRtrCacheServerErrorsTableEntry ::= SEQUENCE {
       rpkiRtrCacheServerErrorsCorruptData        Counter32,
       rpkiRtrCacheServerErrorsInternalError      Counter32,
       rpkiRtrCacheServerErrorsNoData             Counter32,
       rpkiRtrCacheServerErrorsInvalidRequest     Counter32,
       rpkiRtrCacheServerErrorsUnsupportedVersion Counter32,
       rpkiRtrCacheServerErrorsUnsupportedPdu     Counter32,
       rpkiRtrCacheServerErrorsWithdrawalUnknown  Counter32,
       rpkiRtrCacheServerErrorsDuplicateAnnounce  Counter32
       }

   rpkiRtrCacheServerErrorsCorruptData OBJECT-TYPE
       SYNTAX       Counter32
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION "The number of 'Corrupt Data' errors received
                    from the RPKI cache server at the other end
                    of this connection.

                    Discontinuities are indicated by the value
                    of rpkiRtrDiscontinuityTimer."
       ::= { rpkiRtrCacheServerErrorsTableEntry 1 }

   rpkiRtrCacheServerErrorsInternalError OBJECT-TYPE
       SYNTAX       Counter32
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION "The number of 'Internal Error' errors received
                    from the RPKI cache server at the other end
                    of this connection.

                    Discontinuities are indicated by the value
                    of rpkiRtrDiscontinuityTimer."
       ::= { rpkiRtrCacheServerErrorsTableEntry 2 }

   rpkiRtrCacheServerErrorsNoData OBJECT-TYPE
       SYNTAX       Counter32
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION "The number of 'No Data Available' errors received



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                    from the RPKI cache server at the other end
                    of this connection.

                    Discontinuities are indicated by the value
                    of rpkiRtrDiscontinuityTimer."
       ::= { rpkiRtrCacheServerErrorsTableEntry 3 }

   rpkiRtrCacheServerErrorsInvalidRequest OBJECT-TYPE
       SYNTAX       Counter32
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION "The number of 'Invalid Request' errors received
                    from the RPKI cache server at the other end
                    of this connection.

                    Discontinuities are indicated by the value
                    of rpkiRtrDiscontinuityTimer."
       ::= { rpkiRtrCacheServerErrorsTableEntry 4 }

   rpkiRtrCacheServerErrorsUnsupportedVersion OBJECT-TYPE
       SYNTAX       Counter32
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION "The number of 'Unsupported Protocol Version'
                    errors received from the RPKI cache server at
                    the other end of this connection.

                    Discontinuities are indicated by the value
                    of rpkiRtrDiscontinuityTimer."
       ::= { rpkiRtrCacheServerErrorsTableEntry 5 }

   rpkiRtrCacheServerErrorsUnsupportedPdu OBJECT-TYPE
       SYNTAX       Counter32
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION "The number of 'Unsupported PDU Type' errors
                    received from the RPKI cache server at the
                    other end of this connection.

                    Discontinuities are indicated by the value
                    of rpkiRtrDiscontinuityTimer."
       ::= { rpkiRtrCacheServerErrorsTableEntry 6 }

   rpkiRtrCacheServerErrorsWithdrawalUnknown OBJECT-TYPE
       SYNTAX       Counter32
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION "The number of 'Withdrawal of Unknown Record'



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                    errors received from the RPKI cache server at
                    the other end of this connection.

                    Discontinuities are indicated by the value
                    of rpkiRtrDiscontinuityTimer."
       ::= { rpkiRtrCacheServerErrorsTableEntry 7 }

   rpkiRtrCacheServerErrorsDuplicateAnnounce OBJECT-TYPE
       SYNTAX       Counter32
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION "The number of 'Duplicate Announcement Received'
                    errors received from the RPKI cache server at
                    the other end of this connection.

                    Discontinuities are indicated by the value
                    of rpkiRtrDiscontinuityTimer."
       ::= { rpkiRtrCacheServerErrorsTableEntry 8 }

   -- ==============================================================
   -- The rpkiRtrPrefixOriginTable
   -- ==============================================================

   rpkiRtrPrefixOriginTable OBJECT-TYPE
       SYNTAX       SEQUENCE OF RpkiRtrPrefixOriginTableEntry
       MAX-ACCESS   not-accessible
       STATUS       current
       DESCRIPTION "This table lists the prefixes that were
                    announced by RPKI cache servers to this system.
                    That is the prefixes and their Origin Autonomous
                    System Number (ASN) as received by announcements
                    via the RPKI-Router Protocol."
       ::= { rpkiRtrObjects 4 }

   rpkiRtrPrefixOriginTableEntry OBJECT-TYPE
       SYNTAX       RpkiRtrPrefixOriginTableEntry
       MAX-ACCESS   not-accessible
       STATUS       current
       DESCRIPTION "An entry in the rpkiRtrPrefixOriginTable.  This
                    represents one announced prefix.  If a cache server
                    is removed from the local configuration, any table
                    rows associated with that server (indicated by
                    rpkiRtrPrefixOriginCacheServerId) are also removed
                    from this table.

                    Implementers should be aware that if the
                    rpkiRtrPrefixOriginAddress object exceeds 111
                    octets, the index values will exceed the 128



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                    sub-identifier limit and cannot be accessed using
                    SNMPv1, SNMPv2c, or SNMPv3."

       INDEX       { rpkiRtrPrefixOriginAddressType,
                     rpkiRtrPrefixOriginAddress,
                     rpkiRtrPrefixOriginMinLength,
                     rpkiRtrPrefixOriginMaxLength,
                     rpkiRtrPrefixOriginASN,
                     rpkiRtrPrefixOriginCacheServerId
                   }
       ::= { rpkiRtrPrefixOriginTable 1 }

   RpkiRtrPrefixOriginTableEntry ::= SEQUENCE {
       rpkiRtrPrefixOriginAddressType    InetAddressType,
       rpkiRtrPrefixOriginAddress        InetAddress,
       rpkiRtrPrefixOriginMinLength      InetAddressPrefixLength,
       rpkiRtrPrefixOriginMaxLength      InetAddressPrefixLength,
       rpkiRtrPrefixOriginASN            InetAutonomousSystemNumber,
       rpkiRtrPrefixOriginCacheServerId  Unsigned32
   }

   rpkiRtrPrefixOriginAddressType OBJECT-TYPE
       SYNTAX       InetAddressType
       MAX-ACCESS   not-accessible
       STATUS       current
       DESCRIPTION "The network address type for this prefix.

                    Note: Only IPv4 and IPv6 support are required
                    for read-only compliance with RFC 6945."
       ::= { rpkiRtrPrefixOriginTableEntry 1 }

   rpkiRtrPrefixOriginAddress OBJECT-TYPE
       SYNTAX       InetAddress
       MAX-ACCESS   not-accessible
       STATUS       current
       DESCRIPTION "The network address for this prefix.

                    The format of the address is defined by the
                    value of the corresponding instance of
                    rpkiRtrPrefixOriginAddressType."
       ::= { rpkiRtrPrefixOriginTableEntry 2 }

   rpkiRtrPrefixOriginMinLength OBJECT-TYPE
       SYNTAX       InetAddressPrefixLength
       MAX-ACCESS   not-accessible
       STATUS       current
       DESCRIPTION "The minimum prefix length allowed for this prefix."
       ::= { rpkiRtrPrefixOriginTableEntry 3 }



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   rpkiRtrPrefixOriginMaxLength OBJECT-TYPE
       SYNTAX       InetAddressPrefixLength
       MAX-ACCESS   not-accessible
       STATUS       current
       DESCRIPTION "The maximum prefix length allowed for this prefix.

                    Note, this value must be greater or equal to the
                    value of rpkiRtrPrefixOriginMinLength."
       ::= { rpkiRtrPrefixOriginTableEntry 4 }

   rpkiRtrPrefixOriginASN OBJECT-TYPE
       SYNTAX       InetAutonomousSystemNumber (0..4294967295)
       MAX-ACCESS   not-accessible
       STATUS       current
       DESCRIPTION "The ASN that is authorized to announce the
                    prefix or sub-prefixes covered by this entry."
       ::= { rpkiRtrPrefixOriginTableEntry 5 }

   rpkiRtrPrefixOriginCacheServerId OBJECT-TYPE
       SYNTAX       Unsigned32 (1..4294967295)
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION "The unique ID of the connection to the cache
                    server from which this announcement was received.
                    That connection is identified/found by a matching
                    value in attribute rpkiRtrCacheServerId."
       ::= { rpkiRtrPrefixOriginTableEntry 6 }

   -- ==============================================================
   -- Notifications
   -- ==============================================================

   rpkiRtrCacheServerConnectionStateChange NOTIFICATION-TYPE
       OBJECTS     { rpkiRtrCacheServerConnectionStatus,
                     rpkiRtrCacheServerLatestSerial,
                     rpkiRtrCacheServerSessionID
                   }
       STATUS      current
       DESCRIPTION "This notification signals a change in the status
                    of an rpkiRtrCacheServerConnection.

                    The management agent MUST throttle the generation of
                    consecutive rpkiRtrCacheServerConnectionStateChange
                    notifications such that there is at least a 5 second
                    gap between them.

                    If more than one notification has occurred locally
                    during that time, the most recent notification is



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                    sent at the end of the 5 second gap and the others
                    are discarded."
       ::= { rpkiRtrNotifications 1 }

   rpkiRtrCacheServerConnectionToGoStale NOTIFICATION-TYPE
       OBJECTS     { rpkiRtrCacheServerV4ActiveRecords,
                     rpkiRtrCacheServerV6ActiveRecords,
                     rpkiRtrCacheServerLatestSerial,
                     rpkiRtrCacheServerSessionID,
                     rpkiRtrCacheServerRefreshTimer,
                     rpkiRtrCacheServerTimeToRefresh
                   }
       STATUS      current
       DESCRIPTION "This notification signals that an RPKI cache
                    server connection is about to go stale.
                    It is suggested that this notification is
                    generated when the value of the
                    rpkiRtrCacheServerTimeToRefresh attribute
                    goes below 60 seconds.

                    The SNMP agent MUST throttle the generation of
                    consecutive rpkiRtrCacheServerConnectionToGoStale
                    notifications such that there is at least a
                    5 second gap between them.
                   "
       ::= { rpkiRtrNotifications 2 }

   -- ==============================================================
   -- Module Compliance information
   -- ==============================================================

   rpkiRtrCompliances OBJECT IDENTIFIER ::=
                                           {rpkiRtrConformance 1}
   rpkiRtrGroups      OBJECT IDENTIFIER ::=
                                           {rpkiRtrConformance 2}

   rpkiRtrRFC6945ReadOnlyCompliance MODULE-COMPLIANCE
       STATUS       current
       DESCRIPTION
           "The compliance statement for the rpkiRtrMIB module.  There
           are only read-only objects in this MIB module, so the
           'ReadOnly' in the name of this compliance statement is there
           only for clarity and truth in advertising.

           There are a number of INDEX objects that cannot be
           represented in the form of OBJECT clauses in SMIv2, but for
           which there are compliance requirements.  Those requirements
           and similar requirements for related objects are expressed



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           below, in pseudo-OBJECT clause form, in this description:

           -- OBJECT rpkiRtrCacheServerRemoteAddressType
           -- SYNTAX InetAddressType { ipv4(1), ipv6(2), dns(16) }
           -- DESCRIPTION
           --   The MIB requires support for the IPv4, IPv6, and DNS
           --   InetAddressTypes for this object.

           -- OBJECT rpkiRtrCacheServerLocalAddressType
           -- SYNTAX InetAddressType { ipv4(1), ipv6(2), dns(16) }
           -- DESCRIPTION
           --   The MIB requires support for the IPv4, IPv6, and DNS
           --   InetAddressTypes for this object.

           -- OBJECT rpkiRtrPrefixOriginAddressType
           -- SYNTAX InetAddressType { ipv4(1), ipv6(2) }
           -- DESCRIPTION
           --   The MIB requires support for the IPv4, and IPv6
           --   InetAddressTypes for this object.
           "

       MODULE      -- This module
       MANDATORY-GROUPS { rpkiRtrCacheServerGroup,
                          rpkiRtrPrefixOriginGroup,
                          rpkiRtrNotificationsGroup
                        }

       GROUP       rpkiRtrCacheServerErrorsGroup
       DESCRIPTION "Implementation of this group is optional and
                    would be useful for debugging."

       ::= { rpkiRtrCompliances 1 }

   rpkiRtrCacheServerGroup OBJECT-GROUP
       OBJECTS     {
                     rpkiRtrDiscontinuityTimer,
                     rpkiRtrCacheServerLocalAddressType,
                     rpkiRtrCacheServerLocalAddress,
                     rpkiRtrCacheServerLocalPort,
                     rpkiRtrCacheServerPreference,
                     rpkiRtrCacheServerConnectionType,
                     rpkiRtrCacheServerConnectionStatus,
                     rpkiRtrCacheServerDescription,
                     rpkiRtrCacheServerMsgsReceived,
                     rpkiRtrCacheServerMsgsSent,
                     rpkiRtrCacheServerV4ActiveRecords,
                     rpkiRtrCacheServerV4Announcements,
                     rpkiRtrCacheServerV4Withdrawals,



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                     rpkiRtrCacheServerV6ActiveRecords,
                     rpkiRtrCacheServerV6Announcements,
                     rpkiRtrCacheServerV6Withdrawals,
                     rpkiRtrCacheServerLatestSerial,
                     rpkiRtrCacheServerSessionID,
                     rpkiRtrCacheServerRefreshTimer,
                     rpkiRtrCacheServerTimeToRefresh,
                     rpkiRtrCacheServerId
                   }
       STATUS      current
       DESCRIPTION "The collection of objects to monitor the RPKI peer
                    connections."
       ::= { rpkiRtrGroups 1 }

   rpkiRtrCacheServerErrorsGroup OBJECT-GROUP
       OBJECTS     {
                     rpkiRtrCacheServerErrorsCorruptData,
                     rpkiRtrCacheServerErrorsInternalError,
                     rpkiRtrCacheServerErrorsNoData,
                     rpkiRtrCacheServerErrorsInvalidRequest,
                     rpkiRtrCacheServerErrorsUnsupportedVersion,
                     rpkiRtrCacheServerErrorsUnsupportedPdu,
                     rpkiRtrCacheServerErrorsWithdrawalUnknown,
                     rpkiRtrCacheServerErrorsDuplicateAnnounce
                   }
       STATUS      current
       DESCRIPTION "The collection of objects that may help in
                    debugging the communication between RPKI
                    clients and cache servers."
       ::= { rpkiRtrGroups 2 }

   rpkiRtrPrefixOriginGroup OBJECT-GROUP
       OBJECTS     {
                     rpkiRtrPrefixOriginCacheServerId
                   }
       STATUS      current
       DESCRIPTION "The collection of objects that represent
                    the prefix(es) and their validated Origin
                    ASes."
       ::= { rpkiRtrGroups 3 }











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   rpkiRtrNotificationsGroup NOTIFICATION-GROUP
       NOTIFICATIONS { rpkiRtrCacheServerConnectionStateChange,
                       rpkiRtrCacheServerConnectionToGoStale
                     }
       STATUS      current
       DESCRIPTION "The set of notifications to alert an NMS of change
                    in connections to RPKI cache servers."
       ::= { rpkiRtrGroups 4 }

   END

5.  IANA Considerations

   IANA has assigned the MIB module in this document the following
   OBJECT IDENTIFIER within the SMI Numbers registry.

      Descriptor        OBJECT IDENTIFIER value
      ----------        -----------------------
      rpkiRtrMIB            { mib-2 218 }

6.  Security Considerations

   There are no management objects defined in this MIB module that have
   a MAX-ACCESS clause of read-write and/or read-create.  So, if this
   MIB module is implemented correctly, then there is no risk that an
   intruder can alter or create any management objects of this MIB
   module via direct SNMP SET operations.

   Most 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.  They are vulnerable in the
   sense that when an intruder sees the information in this MIB module,
   then it might help him/her to set up an attack on the router or cache
   server.  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),
   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.

   Implementations MUST provide the security features described by the
   SNMPv3 framework (see [RFC3410]), including full support for
   authentication and privacy via the User-based Security Model (USM)
   [RFC3414] with the AES cipher algorithm [RFC3826].  Implementations




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   MAY also provide support for the Transport Security Model (TSM)
   [RFC5591] in combination with a secure transport such as SSH
   [RFC5592] or TLS/DTLS [RFC6353].

   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
   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.

7.  References

7.1.  Normative References

   [RFC2119]  Bradner, S., "Key words for use in RFCs to Indicate
              Requirement Levels", BCP 14, RFC 2119, March 1997.

   [RFC2287]  Krupczak, C. and J. Saperia, "Definitions of System-Level
              Managed Objects for Applications", RFC 2287, February
              1998.

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

   [RFC2579]  McCloghrie, K., Ed., Perkins, D., Ed., and J.
              Schoenwaelder, Ed., "Textual Conventions for SMIv2", STD
              58, RFC 2579, April 1999.

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

   [RFC4001]  Daniele, M., Haberman, B., Routhier, S., and J.
              Schoenwaelder, "Textual Conventions for Internet Network
              Addresses", RFC 4001, February 2005.

   [RFC6810]  Bush, R. and R. Austein, "The Resource Public Key
              Infrastructure (RPKI) to Router Protocol", RFC 6810,
              January 2013.









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7.2.  Informative References

   [RFC1982]  Elz, R. and R. Bush, "Serial Number Arithmetic", RFC 1982,
              August 1996.

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

   [RFC3414]  Blumenthal, U. and B. Wijnen, "User-based Security Model
              (USM) for version 3 of the Simple Network Management
              Protocol (SNMPv3)", STD 62, RFC 3414, December 2002.

   [RFC3826]  Blumenthal, U., Maino, F., and K. McCloghrie, "The
              Advanced Encryption Standard (AES) Cipher Algorithm in the
              SNMP User-based Security Model", RFC 3826, June 2004.

   [RFC4252]  Ylonen, T. and C. Lonvick, "The Secure Shell (SSH)
              Authentication Protocol", RFC 4252, January 2006.

   [RFC5246]  Dierks, T. and E. Rescorla, "The Transport Layer Security
              (TLS) Protocol Version 1.2", RFC 5246, August 2008.

   [RFC5591]  Harrington, D. and W. Hardaker, "Transport Security Model
              for the Simple Network Management Protocol (SNMP)", RFC
              5591, June 2009.

   [RFC5592]  Harrington, D., Salowey, J., and W. Hardaker, "Secure
              Shell Transport Model for the Simple Network Management
              Protocol (SNMP)", RFC 5592, June 2009.

   [RFC5925]  Touch, J., Mankin, A., and R. Bonica, "The TCP
              Authentication Option", RFC 5925, June 2010.

   [RFC6353]  Hardaker, W., "Transport Layer Security (TLS) Transport
              Model for the Simple Network Management Protocol (SNMP)",
              RFC 6353, July 2011.














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Authors' Addresses

   Randy Bush
   Internet Initiative Japan
   5147 Crystal Springs
   Bainbridge Island, WA  98110
   US

   EMail: randy@psg.com


   Bert Wijnen
   RIPE NCC
   Schagen 33
   3461 GL Linschoten
   Netherlands

   EMail: bertietf@bwijnen.net


   Keyur Patel
   Cisco Systems
   170 W. Tasman Drive
   San Jose, CA  95134
   USA

   EMail: keyupate@cisco.com


   Michael Baer
   SPARTA
   P.O. Box 72682
   Davis, CA  95617
   USA

   EMail: baerm@tislabs.com















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