draft-ietf-idr-bgp4-mib-06.txt

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                       which covered only half the allowed values
                       and reserved -1 for not present."
               ::= { bgp4PathAttrEntry 7 }


           bgp4PathAttrLocalPref OBJECT-TYPE
               SYNTAX     Integer32 (0..4294967295)
               MAX-ACCESS read-only
               STATUS     current
               DESCRIPTION
                       "The originating BGP4 speaker's degree of
                       preference for an advertised route.  A value of
                       -1 (4294967295) indicates the absence of this
                       attribute.

                       Note that this precludes the representation of
                       the maximum value for this attribute.  Previously
                       the variable held only 2^31 bits of information
                       which covered only half the allowed values
                       and reserved -1 for not present."
               ::= { bgp4PathAttrEntry 8 }


           bgp4PathAttrAtomicAggregate OBJECT-TYPE
               SYNTAX     INTEGER {
                              lessSpecificRouteNotSelected(1),
                              lessSpecificRouteSelected(2)
                          }
               MAX-ACCESS read-only
               STATUS     current
               DESCRIPTION
                       "Whether or not a system has selected
                       a less specific route without selecting a
                       more specific route."
               ::= { bgp4PathAttrEntry 9 }


           bgp4PathAttrAggregatorAS OBJECT-TYPE
               SYNTAX     INTEGER (0..65535)
               MAX-ACCESS read-only


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               STATUS     current
               DESCRIPTION
                       "The AS number of the last BGP4 speaker that
                       performed route aggregation.  A value of zero (0)
                       indicates the absence of this attribute."
               ::= { bgp4PathAttrEntry 10 }


           bgp4PathAttrAggregatorAddr OBJECT-TYPE
               SYNTAX     IpAddress
               MAX-ACCESS read-only
               STATUS     current
               DESCRIPTION
                       "The IP address of the last BGP4 speaker that
                        performed route aggregation.  A value of
                        0.0.0.0 indicates the absence of this attribute.
                        Note propagation of AS of zero is illegal in
                        internet."
               ::= { bgp4PathAttrEntry 11 }


           bgp4PathAttrCalcLocalPref OBJECT-TYPE
               SYNTAX     Integer32 (0..4294967295)
               MAX-ACCESS read-only
               STATUS     current
               DESCRIPTION
                       "The degree of preference calculated by the
                       receiving BGP4 speaker for an advertised route.
                       A value of -1 (4294967295) indicates the absence of this
                       attribute.

                       Note that this precludes the representation of
                       the maximum value for this attribute.  Previously
                       the variable held only 2^31 bits of information
                       which covered only half the allowed values
                       and reserved -1 for not present."
               ::= { bgp4PathAttrEntry 12 }


           bgp4PathAttrBest OBJECT-TYPE
               SYNTAX     Integer32 {
                              false(1),-- not chosen as best route
                              true(2) -- chosen as best route
                          }
               MAX-ACCESS read-only
               STATUS     current
               DESCRIPTION
                       "An indication of whether or not this route


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                       was chosen as the best BGP4 route."
               ::= { bgp4PathAttrEntry 13 }


           bgp4PathAttrUnknown OBJECT-TYPE
               SYNTAX     OCTET STRING (SIZE(0..4096))
               MAX-ACCESS read-only
               STATUS     current
               DESCRIPTION
                       "One or more path attributes not understood
                        by the base BGP-4 document.

                        Path attributes are recorded in the Update
                        Path attribute format of type, length, value.
                        Size zero (0) indicates the absence of such
                        attribute(s).  Octets beyond the maximum size,
                        if any, are not recorded by this object. "
               ::= { bgp4PathAttrEntry 14 }


           -- Traps.


           -- note that in RFC 1657, bgpTraps was incorrectly
           -- assigned a value of { bgp 7 }, and each of the
           -- traps had the bgpPeerRemoteAddr object inappropriately
           -- removed from their OBJECTS clause.  The following
           -- definitions restore the semantics of the traps as
           -- they were initially defined in RFC 1269.


           -- { bgp 7 } is unused


           bgpTraps          OBJECT IDENTIFIER ::= { bgp 0 }


           bgpEstablished NOTIFICATION-TYPE
               OBJECTS { bgpPeerRemoteAddr,
                         bgpPeerLastError,
                         bgpPeerState      }
               STATUS  current
               DESCRIPTION
                       "The BGP Established event is generated when
                       the BGP FSM enters the ESTABLISHED state."
               ::= { bgpTraps 1 }




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           bgpBackwardTransition NOTIFICATION-TYPE
               OBJECTS { bgpPeerRemoteAddr,
                         bgpPeerLastError,
                         bgpPeerState      }
               STATUS  current
               DESCRIPTION
                       "The BGPBackwardTransition Event is generated
                       when the BGP FSM moves from a higher numbered
                       state to a lower numbered state."
               ::= { bgpTraps 2 }


           -- conformance information


           bgpMIBConformance OBJECT IDENTIFIER ::= { bgp 8 }
           bgpMIBCompliances OBJECT IDENTIFIER ::= { bgpMIBConformance 1 }
           bgpMIBGroups      OBJECT IDENTIFIER ::= { bgpMIBConformance 2 }


           -- compliance statements


           bgpMIBCompliance MODULE-COMPLIANCE
               STATUS  current
               DESCRIPTION
                       "The compliance statement for entities which
                        implement the BGP4 mib."
               MODULE  -- this module
                   MANDATORY-GROUPS { bgp4MIBGlobalsGroup,
                                      bgp4MIBPeerGroup,
                                      bgp4MIBPathAttrGroup,
                                      bgp4MIBNotificationGroup }
               ::= { bgpMIBCompliances 1 }


           -- units of conformance


           bgp4MIBGlobalsGroup OBJECT-GROUP
               OBJECTS { bgpVersion,
                         bgpLocalAs,
                         bgpIdentifier }
               STATUS  current
               DESCRIPTION
                       "A collection of objects providing information
                        on global BGP state."
               ::= { bgpMIBGroups 1 }


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           bgp4MIBPeerGroup OBJECT-GROUP
               OBJECTS { bgpPeerIdentifier,
                         bgpPeerState,
                         bgpPeerAdminStatus,
                         bgpPeerNegotiatedVersion,
                         bgpPeerLocalAddr,
                         bgpPeerLocalPort,
                         bgpPeerRemoteAddr,
                         bgpPeerRemotePort,
                         bgpPeerRemoteAs,
                         bgpPeerInUpdates,
                         bgpPeerOutUpdates,
                         bgpPeerInTotalMessages,
                         bgpPeerOutTotalMessages,
                         bgpPeerLastError,
                         bgpPeerFsmEstablishedTransitions,
                         bgpPeerFsmEstablishedTime,
                         bgpPeerConnectRetryInterval,
                         bgpPeerHoldTime,
                         bgpPeerKeepAlive,
                         bgpPeerHoldTimeConfigured,
                         bgpPeerKeepAliveConfigured,
                         bgpPeerMinASOriginationInterval,
                         bgpPeerMinRouteAdvertisementInterval,
                         bgpPeerInUpdateElapsedTime }
               STATUS  current
               DESCRIPTION
                       "A collection of objects for managing
                        BGP peers."
               ::= { bgpMIBGroups 2 }


           bgp4MIBRcvdPathAttrGroup OBJECT-GROUP
               OBJECTS { bgpPathAttrPeer,
                         bgpPathAttrDestNetwork,
                         bgpPathAttrOrigin,
                         bgpPathAttrASPath,
                         bgpPathAttrNextHop,
                         bgpPathAttrInterASMetric }
               STATUS  obsolete
               DESCRIPTION
                       "A collection of objects for managing BGP
                        path entries.


                        This conformance group is obsolete,
                        replaced by bgp4MIBPathAttrGroup."
               ::= { bgpMIBGroups 3 }


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           bgp4MIBPathAttrGroup OBJECT-GROUP
               OBJECTS { bgp4PathAttrPeer,
                         bgp4PathAttrIpAddrPrefixLen,
                         bgp4PathAttrIpAddrPrefix,
                         bgp4PathAttrOrigin,
                         bgp4PathAttrASPathSegment,
                         bgp4PathAttrNextHop,
                         bgp4PathAttrMultiExitDisc,
                         bgp4PathAttrLocalPref,
                         bgp4PathAttrAtomicAggregate,
                         bgp4PathAttrAggregatorAS,
                         bgp4PathAttrAggregatorAddr,
                         bgp4PathAttrCalcLocalPref,
                         bgp4PathAttrBest,
                         bgp4PathAttrUnknown }
               STATUS  current
               DESCRIPTION
                       "A collection of objects for managing
                        BGP path entries."
               ::= { bgpMIBGroups 4 }


           bgp4MIBNotificationGroup NOTIFICATION-GROUP
               NOTIFICATIONS { bgpEstablished,
                               bgpBackwardTransition }
               STATUS  current
               DESCRIPTION
                       "A collection of notifications for signaling
                       changes in BGP peer relationships."
               ::= { bgpMIBGroups 5 }


       END

6. Intellectual Property

   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 implementors or users of this specification can


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   be obtained from the IETF Secretariat.

7. Acknowledgements

   We would like to acknowledge the assistance of all the members of the
   Inter-Domain Routing Working Group, and particularly the following
   individuals:

   Yakov Rekhter, cisco Systems
   Rob Coltun, Redback
   Guy Almes, Internet2
   Jeff Honig, Cornell Theory Center
   Marshall T. Rose, Dover Beach Consulting, Inc.
   Dennis Ferguson, Juniper Networks
   Mike Mathis, PSC
   John Krawczyk, Bay Networks
   Curtis Villamizar, Avici
   Dave LeRoy, Pencom Systems
   Paul Traina, Juniper Networks
   Andrew Partan, MFS
   Robert Snyder, cisco Systems
   Dimitry Haskin, Nortel
   Peder Chr Norgaard, Telebit Communications A/S
   Joel Halpern, CTO Longitude Systems, Inc.
   Nick Thille, RedBack Networks
   Bert Wijnen, IBM
   Shane Wright, NextHop

   The origin of this document is from RFC 1269 "Definitions of Managed
   Objects for the Border Gateway Protocol (Version 3)" written by Steve
   Willis and John Burruss, which was updated by John Chu to support
   BGP-4 in RFC 1657.  The editors wishes to acknowledge the fine work
   of these original authors.