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RFC 4750

 
 
 

OSPF Version 2 Management Information Base

Part 2 of 5, p. 8 to 33
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3.  OSPF MIB Module

OSPF-MIB DEFINITIONS ::= BEGIN

IMPORTS
    MODULE-IDENTITY, OBJECT-TYPE, Counter32, Gauge32,
    Integer32, Unsigned32, IpAddress, mib-2
                 FROM SNMPv2-SMI
    TEXTUAL-CONVENTION, TruthValue, RowStatus, TimeStamp
                 FROM SNMPv2-TC
    MODULE-COMPLIANCE, OBJECT-GROUP
                 FROM SNMPv2-CONF
    InterfaceIndexOrZero
                 FROM IF-MIB;

ospf MODULE-IDENTITY
       LAST-UPDATED "200611100000Z" -- November 10, 2006 00:00:00 EST
       ORGANIZATION "IETF OSPF Working Group"
       CONTACT-INFO
       "WG E-Mail: ospf@ietf.org

        WG Chairs: acee@cisco.com
                   rohit@gmail.com

        Editors:   Dan Joyal
                   Nortel
                   600 Technology Park Drive
                   Billerica, MA  01821
                   djoyal@nortel.com

                   Piotr Galecki
                   Airvana
                   19 Alpha Road
                   Chelmsford, MA 01824
                   pgalecki@airvana.com

                   Spencer Giacalone
                   CSFB
                   Eleven Madison Ave
                   New York, NY 10010-3629
                   spencer.giacalone@gmail.com"

       DESCRIPTION
          "The MIB module to describe the OSPF Version 2
          Protocol.  Note that some objects in this MIB
          module may pose a significant security risk.
          Refer to the Security Considerations section
          in RFC 4750 for more information.

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          Copyright (C) The IETF Trust (2006).
          This version of this MIB module is part of
          RFC 4750;  see the RFC itself for full legal
          notices."

       REVISION "200611100000Z" -- November 10, 2006 09:00:00 EST
       DESCRIPTION
         "Updated for latest changes to OSPF Version 2:
          - updated the General Group with the new
            ospfRFC1583Compatibility, ospfReferenceBandwidth
            and ospfDiscontinuityTime objects
          - added graceful-restart-related objects
          - added stub-router-related objects
          - updated the Area Table with NSSA-related objects
          - added ospfAreaAggregateExtRouteTag object
          - added Opaque LSA-related objects
          - updates to the Compliances and Security sections
          - added area LSA counter table
          - added section describing translation of notification
            parameters between SNMP versions
          - added ospfComplianceObsolete to contain obsolete
            object groups
          - deprecated ospfExtLsdbTable
          See Appendix B of RFC 4750 for more details.

          This version published as part of RFC 4750"

       REVISION "199501201225Z" -- Fri Jan 20 12:25:50 PST 1995
       DESCRIPTION
          "The initial SMIv2 revision of this MIB module, published
          in RFC 1850."
       ::= { mib-2 14 }

AreaID ::= TEXTUAL-CONVENTION
       STATUS       current
       DESCRIPTION
          "An OSPF Area Identifier.
           Note that the Area ID, in OSPF, has the same format
           as an IP address, but has the function of defining
           a summarization point for link state advertisements."
       SYNTAX       IpAddress

RouterID ::= TEXTUAL-CONVENTION
       STATUS       current
       DESCRIPTION
          "A OSPF Router Identifier.
           Note that the Router ID, in OSPF, has the same format
           as an IP address, but identifies the router independent

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           of its IP address."
       SYNTAX       IpAddress

Metric ::= TEXTUAL-CONVENTION
       DISPLAY-HINT "d-0"
       STATUS       current
       DESCRIPTION
          "The OSPF internal metric.
           Note that the OSPF metric is defined as an unsigned value
           in the range."
       SYNTAX       Integer32 (0..'FFFF'h)

BigMetric ::= TEXTUAL-CONVENTION
       DISPLAY-HINT "d-0"
       STATUS       current
       DESCRIPTION
          "The OSPF external metric."
       SYNTAX       Integer32 (0..'FFFFFF'h)

Status ::= TEXTUAL-CONVENTION
       STATUS       current
       DESCRIPTION
          "An indication of the operability of an OSPF
          function or feature.  For example, the status
          of an interface: 'enabled' indicates that
          it is willing to communicate with other OSPF routers,
          and 'disabled' indicates that it is not."
       SYNTAX       INTEGER { enabled (1), disabled (2) }

PositiveInteger ::= TEXTUAL-CONVENTION
       DISPLAY-HINT "d-0"
       STATUS       current
       DESCRIPTION
          "A positive integer.  Values in excess are precluded as
          unnecessary and prone to interoperability issues."
       SYNTAX       Integer32 (0..'7FFFFFFF'h)

HelloRange ::= TEXTUAL-CONVENTION
       DISPLAY-HINT "d-0"
       STATUS       current
       DESCRIPTION
          "The range of intervals in seconds on which Hello messages
          are exchanged."
       SYNTAX       Integer32 (1..'FFFF'h)

UpToMaxAge ::= TEXTUAL-CONVENTION
       DISPLAY-HINT "d-0"
       STATUS       current

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       DESCRIPTION
          "The values in seconds that one might find or configure
          for variables bounded by the maximum age of an LSA."
       SYNTAX       Integer32 (0..3600)

DesignatedRouterPriority ::= TEXTUAL-CONVENTION
       DISPLAY-HINT "d-0"
       STATUS       current
       DESCRIPTION
          "The range of values defined for the priority of a system
          for becoming the designated router."
       SYNTAX       Integer32 (0..'FF'h)

TOSType ::= TEXTUAL-CONVENTION
       DISPLAY-HINT "d-0"
       STATUS      current
       DESCRIPTION
        "Type of Service (TOS) is defined as a mapping to the IP
        Type of Service Flags as defined in the IP Forwarding
        Table MIB

            +-----+-----+-----+-----+-----+-----+-----+-----+
            |                 |                       |     |
            |   PRECEDENCE    |    TYPE OF SERVICE    |  0  |
            |                 |                       |     |
            +-----+-----+-----+-----+-----+-----+-----+-----+

                     IP TOS                IP TOS
                Field     Policy      Field     Policy

                Contents    Code      Contents    Code
                0 0 0 0  ==>   0      0 0 0 1  ==>   2
                0 0 1 0  ==>   4      0 0 1 1  ==>   6
                0 1 0 0  ==>   8      0 1 0 1  ==>  10
                0 1 1 0  ==>  12      0 1 1 1  ==>  14
                1 0 0 0  ==>  16      1 0 0 1  ==>  18
                1 0 1 0  ==>  20      1 0 1 1  ==>  22
                1 1 0 0  ==>  24      1 1 0 1  ==>  26
                1 1 1 0  ==>  28      1 1 1 1  ==>  30

         The remaining values are left for future definition."
           SYNTAX       Integer32 (0..30)

OspfAuthenticationType ::= TEXTUAL-CONVENTION
       STATUS       current
       DESCRIPTION
          "The authentication type."
       SYNTAX       INTEGER {

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                       none (0),
                       simplePassword (1),
                       md5 (2)
                       -- reserved for specification by IANA (> 2)
                    }

--  OSPF General Variables

--      Note: These parameters apply globally to the Router's
--      OSPF Process.

ospfGeneralGroup OBJECT IDENTIFIER ::= { ospf 1 }

  ospfRouterId OBJECT-TYPE
       SYNTAX       RouterID
       MAX-ACCESS   read-write
       STATUS       current
       DESCRIPTION
          "A 32-bit integer uniquely identifying the
          router in the Autonomous System.
          By convention, to ensure uniqueness, this
          should default to the value of one of the
          router's IP interface addresses.

          This object is persistent and when written
          the entity SHOULD save the change to non-volatile storage."
       REFERENCE
          "OSPF Version 2, C.1 Global parameters"
       ::= { ospfGeneralGroup 1 }

  ospfAdminStat OBJECT-TYPE
       SYNTAX       Status
       MAX-ACCESS   read-write
       STATUS       current
       DESCRIPTION
          "The administrative status of OSPF in the
          router.  The value 'enabled' denotes that the
          OSPF Process is active on at least one interface;
          'disabled' disables it on all interfaces.

          This object is persistent and when written
          the entity SHOULD save the change to non-volatile storage."
       ::= { ospfGeneralGroup 2 }

  ospfVersionNumber OBJECT-TYPE
       SYNTAX       INTEGER { version2 (2) }
       MAX-ACCESS   read-only
       STATUS       current

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       DESCRIPTION
          "The current version number of the OSPF protocol is 2."
       REFERENCE
          "OSPF Version 2, Title"
       ::= { ospfGeneralGroup 3 }

  ospfAreaBdrRtrStatus OBJECT-TYPE
       SYNTAX       TruthValue
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION
          "A flag to note whether this router is an Area
          Border Router."
       REFERENCE
          "OSPF Version 2, Section 3 Splitting the AS into
          Areas"
       ::= { ospfGeneralGroup 4 }

  ospfASBdrRtrStatus OBJECT-TYPE
       SYNTAX       TruthValue
       MAX-ACCESS   read-write
       STATUS       current
       DESCRIPTION
          "A flag to note whether this router is configured as
           an Autonomous System Border Router.

           This object is persistent and when written the
           entity SHOULD save the change to non-volatile storage."
       REFERENCE
          "OSPF Version 2, Section 3.3 Classification of
          routers"
       ::= { ospfGeneralGroup 5 }

  ospfExternLsaCount OBJECT-TYPE
        SYNTAX       Gauge32
        MAX-ACCESS   read-only
        STATUS       current
        DESCRIPTION
           "The number of external (LS type-5) link state
           advertisements in the link state database."
        REFERENCE
           "OSPF Version 2, Appendix A.4.5 AS external link
           advertisements"
        ::= { ospfGeneralGroup 6 }

  ospfExternLsaCksumSum OBJECT-TYPE
        SYNTAX       Integer32
        MAX-ACCESS   read-only

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        STATUS       current
        DESCRIPTION
           "The 32-bit sum of the LS checksums of
           the external link state advertisements
           contained in the link state database.  This sum
           can be used to determine if there has been a
           change in a router's link state database and
           to compare the link state database of two
           routers.  The value should be treated as unsigned
           when comparing two sums of checksums."
        ::= { ospfGeneralGroup 7 }

  ospfTOSSupport OBJECT-TYPE
       SYNTAX       TruthValue
       MAX-ACCESS   read-write
       STATUS       current
       DESCRIPTION
          "The router's support for type-of-service routing.

           This object is persistent and when written
           the entity SHOULD save the change to non-volatile
           storage."
       REFERENCE
          "OSPF Version 2, Appendix F.1.2 Optional TOS
          support"
       ::= { ospfGeneralGroup 8 }

   ospfOriginateNewLsas OBJECT-TYPE
       SYNTAX       Counter32
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION
          "The number of new link state advertisements
          that have been originated.  This number is
          incremented each time the router originates a new
          LSA.

          Discontinuities in the value of this counter can
          occur at re-initialization of the management system,
          and at other times as indicated by the value of
          ospfDiscontinuityTime."
        ::= { ospfGeneralGroup 9 }

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

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          "The number of link state advertisements received
          that are determined to be new instantiations.
          This number does not include newer instantiations
          of self-originated link state advertisements.

          Discontinuities in the value of this counter can
          occur at re-initialization of the management system,
          and at other times as indicated by the value of
          ospfDiscontinuityTime."
       ::= { ospfGeneralGroup 10 }

  ospfExtLsdbLimit OBJECT-TYPE
       SYNTAX       Integer32 (-1..'7FFFFFFF'h)
       MAX-ACCESS   read-write
       STATUS       current
       DESCRIPTION
          "The maximum number of non-default
          AS-external LSAs entries that can be stored in the
          link state database.  If the value is -1, then
          there is no limit.

          When the number of non-default AS-external LSAs
          in a router's link state database reaches
          ospfExtLsdbLimit, the router enters
          overflow state.  The router never holds more than
          ospfExtLsdbLimit non-default AS-external LSAs
          in its database.  OspfExtLsdbLimit MUST be set
          identically in all routers attached to the OSPF
          backbone and/or any regular OSPF area (i.e.,
          OSPF stub areas and NSSAs are excluded).

          This object is persistent and when written
          the entity SHOULD save the change to non-volatile
          storage."
        DEFVAL { -1 }
        ::= { ospfGeneralGroup 11 }

  ospfMulticastExtensions OBJECT-TYPE
       SYNTAX       Integer32
       MAX-ACCESS   read-write
       STATUS       current
       DESCRIPTION
          "A bit mask indicating whether the router is
          forwarding IP multicast (Class D) datagrams
          based on the algorithms defined in the
          multicast extensions to OSPF.

          Bit 0, if set, indicates that the router can

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          forward IP multicast datagrams in the router's
          directly attached areas (called intra-area
          multicast routing).

          Bit 1, if set, indicates that the router can
          forward IP multicast datagrams between OSPF
          areas (called inter-area multicast routing).

          Bit 2, if set, indicates that the router can
          forward IP multicast datagrams between
          Autonomous Systems (called inter-AS multicast
          routing).

          Only certain combinations of bit settings are
          allowed, namely: 0 (no multicast forwarding is
          enabled), 1 (intra-area multicasting only), 3
          (intra-area and inter-area multicasting), 5
          (intra-area and inter-AS multicasting), and 7
          (multicasting everywhere).  By default, no
          multicast forwarding is enabled.

          This object is persistent and when written
          the entity SHOULD save the change to non-volatile
          storage."
       DEFVAL { 0 }
       ::= { ospfGeneralGroup 12 }

  ospfExitOverflowInterval OBJECT-TYPE
       SYNTAX       PositiveInteger
       MAX-ACCESS   read-write
       STATUS       current
       DESCRIPTION
          "The number of seconds that, after entering
          OverflowState, a router will attempt to leave
          OverflowState.  This allows the router to again
          originate non-default AS-external LSAs.  When
          set to 0, the router will not leave
          overflow state until restarted.

          This object is persistent and when written
          the entity SHOULD save the change to non-volatile
          storage."
       DEFVAL { 0 }
       ::= { ospfGeneralGroup 13 }

  ospfDemandExtensions OBJECT-TYPE
       SYNTAX       TruthValue
       MAX-ACCESS   read-write

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       STATUS       current
       DESCRIPTION
          "The router's support for demand routing.
           This object is persistent and when written
           the entity SHOULD save the change to non-volatile
           storage."
       REFERENCE
          "Extending OSPF to Support Demand Circuits"
       ::= { ospfGeneralGroup 14 }

  ospfRFC1583Compatibility  OBJECT-TYPE
       SYNTAX       TruthValue
       MAX-ACCESS   read-write
       STATUS       current
       DESCRIPTION
          "Indicates metrics used to choose among multiple
          AS-external LSAs.  When RFC1583Compatibility is set to
          enabled, only cost will be used when choosing among
          multiple AS-external LSAs advertising the same
          destination.  When RFC1583Compatibility is set to
          disabled, preference will be driven first by type of
          path using cost only to break ties.

          This object is persistent and when written
          the entity SHOULD save the change to non-volatile
          storage."
        REFERENCE
           "OSPF Version 2, Section 16.4.1 External path
            preferences"
        ::= { ospfGeneralGroup 15 }

 ospfOpaqueLsaSupport  OBJECT-TYPE
       SYNTAX       TruthValue
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION
          "The router's support for Opaque LSA types."
       REFERENCE
          "The OSPF Opaque LSA Option"
       ::= { ospfGeneralGroup 16 }

  ospfReferenceBandwidth OBJECT-TYPE
       SYNTAX       Unsigned32
       UNITS        "kilobits per second"
       MAX-ACCESS   read-write
       STATUS       current
       DESCRIPTION
          "Reference bandwidth in kilobits/second for

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          calculating default interface metrics.  The
          default value is 100,000 KBPS (100 MBPS).

          This object is persistent and when written
          the entity SHOULD save the change to non-volatile
          storage."
       ::= { ospfGeneralGroup 17 }

  ospfRestartSupport OBJECT-TYPE
       SYNTAX       INTEGER { none (1),
                              plannedOnly (2),
                              plannedAndUnplanned (3)
                            }
       MAX-ACCESS   read-write
       STATUS       current
       DESCRIPTION
          "The router's support for OSPF graceful restart.
          Options include: no restart support, only planned
          restarts, or both planned and unplanned restarts.

          This object is persistent and when written
          the entity SHOULD save the change to non-volatile
          storage."
       ::= { ospfGeneralGroup 18 }

  ospfRestartInterval OBJECT-TYPE
       SYNTAX       Integer32 (1..1800)
       UNITS        "seconds"
       MAX-ACCESS   read-write
       STATUS       current
       DESCRIPTION
          "Configured OSPF graceful restart timeout interval.

           This object is persistent and when written
           the entity SHOULD save the change to non-volatile
           storage."
       ::= { ospfGeneralGroup 19 }

  ospfRestartStrictLsaChecking OBJECT-TYPE
       SYNTAX       TruthValue
       MAX-ACCESS   read-write
       STATUS       current
       DESCRIPTION
          "Indicates if strict LSA checking is enabled for
           graceful restart.

           This object is persistent and when written
           the entity SHOULD save the change to non-volatile

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           storage."
       ::= { ospfGeneralGroup 20 }


  ospfRestartStatus OBJECT-TYPE
       SYNTAX       INTEGER { notRestarting (1),
                              plannedRestart (2),
                              unplannedRestart (3)
                            }
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION
          "Current status of OSPF graceful restart."
       ::= { ospfGeneralGroup 21 }

  ospfRestartAge OBJECT-TYPE
       SYNTAX       Unsigned32
       UNITS        "seconds"
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION
          "Remaining time in current OSPF graceful restart
          interval."
       ::= { ospfGeneralGroup 22 }

  ospfRestartExitReason OBJECT-TYPE
       SYNTAX       INTEGER { none (1),           -- none attempted
                              inProgress (2),     -- restart in
                                                  -- progress
                              completed (3),      -- successfully
                                                  -- completed
                              timedOut (4),       -- timed out
                              topologyChanged (5) -- aborted due to
                                                  -- topology change.
                            }
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION
          "Describes the outcome of the last attempt at a
          graceful restart.  If the value is 'none', no restart
          has yet been attempted.  If the value is 'inProgress',
          a restart attempt is currently underway."
       ::= { ospfGeneralGroup 23 }

  ospfAsLsaCount OBJECT-TYPE
       SYNTAX       Gauge32
       MAX-ACCESS   read-only
       STATUS       current

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       DESCRIPTION
           "The number of AS-scope link state
           advertisements in the AS-scope link state database."
       ::= { ospfGeneralGroup 24 }

  ospfAsLsaCksumSum OBJECT-TYPE
       SYNTAX       Unsigned32
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION
           "The 32-bit unsigned sum of the LS checksums of
           the AS link state advertisements contained in the AS-scope
           link state database.  This sum can be used to determine
           if there has been a change in a router's AS-scope link
           state database, and to compare the AS-scope link state
           database of two routers."
       ::= { ospfGeneralGroup 25 }

   ospfStubRouterSupport OBJECT-TYPE
       SYNTAX       TruthValue
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION
           "The router's support for stub router functionality."
       REFERENCE
           "OSPF Stub Router Advertisement"
       ::= { ospfGeneralGroup 26 }

   ospfStubRouterAdvertisement OBJECT-TYPE
       SYNTAX       INTEGER {
                          doNotAdvertise (1),
                          advertise(2)
                          }
       MAX-ACCESS   read-write
       STATUS       current
       DESCRIPTION
           "This object controls the advertisement of
           stub router LSAs by the router.  The value
           doNotAdvertise will result in the advertisement
           of a standard router LSA and is the default value.

           This object is persistent and when written
           the entity SHOULD save the change to non-volatile
           storage."
       ::= { ospfGeneralGroup 27 }

  ospfDiscontinuityTime OBJECT-TYPE
      SYNTAX     TimeStamp

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      MAX-ACCESS read-only
      STATUS     current
      DESCRIPTION
         "The value of sysUpTime on the most recent occasion
          at which any one of this MIB's counters suffered
          a discontinuity.

          If no such discontinuities have occurred since the last
          re-initialization of the local management subsystem,
          then this object contains a zero value."
      ::= { ospfGeneralGroup 28 }


--  OSPF Area Table
--     The OSPF Area Table contains information
--     regarding the various areas.

  ospfAreaTable OBJECT-TYPE
       SYNTAX       SEQUENCE OF OspfAreaEntry
       MAX-ACCESS   not-accessible
       STATUS       current
       DESCRIPTION
          "Information describing the configured parameters and
          cumulative statistics of the router's attached areas.
          The interfaces and virtual links are configured
          as part of these areas.  Area 0.0.0.0, by definition,
          is the backbone area."
       REFERENCE
          "OSPF Version 2, Section 6 The Area Data Structure"
       ::= { ospf 2 }

  ospfAreaEntry OBJECT-TYPE
       SYNTAX       OspfAreaEntry
       MAX-ACCESS   not-accessible
       STATUS       current
       DESCRIPTION
          "Information describing the configured parameters and
          cumulative statistics of one of the router's attached areas.
          The interfaces and virtual links are configured as part of
          these areas.  Area 0.0.0.0, by definition, is the backbone
          area.

          Information in this table is persistent and when this object
          is written the entity SHOULD save the change to non-volatile
          storage."
       INDEX { ospfAreaId }
       ::= { ospfAreaTable 1 }

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  OspfAreaEntry ::=
        SEQUENCE {
           ospfAreaId
              AreaID,
           ospfAuthType
              OspfAuthenticationType,
           ospfImportAsExtern
              INTEGER,
           ospfSpfRuns
              Counter32,
           ospfAreaBdrRtrCount
              Gauge32,
           ospfAsBdrRtrCount
              Gauge32,
           ospfAreaLsaCount
              Gauge32,
           ospfAreaLsaCksumSum
              Integer32,
           ospfAreaSummary
              INTEGER,
           ospfAreaStatus
              RowStatus,
           ospfAreaNssaTranslatorRole
              INTEGER,
           ospfAreaNssaTranslatorState
              INTEGER,
           ospfAreaNssaTranslatorStabilityInterval
              PositiveInteger,
           ospfAreaNssaTranslatorEvents
              Counter32
           }

  ospfAreaId OBJECT-TYPE
       SYNTAX       AreaID
       MAX-ACCESS   read-only -- read-only since originally
                              -- an SMIv1 index
       STATUS       current
       DESCRIPTION
          "A 32-bit integer uniquely identifying an area.
          Area ID 0.0.0.0 is used for the OSPF backbone."
       REFERENCE
          "OSPF Version 2, Appendix C.2 Area parameters"
       ::= { ospfAreaEntry 1 }

  ospfAuthType OBJECT-TYPE
       SYNTAX       OspfAuthenticationType
       MAX-ACCESS   read-create
       STATUS       obsolete

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       DESCRIPTION
          "The authentication type specified for an area."
       REFERENCE
          "OSPF Version 2, Appendix D Authentication"
       DEFVAL { none } -- no authentication, by default
       ::= { ospfAreaEntry 2 }

  ospfImportAsExtern OBJECT-TYPE
       SYNTAX       INTEGER {
                      importExternal (1),
                      importNoExternal (2),
                      importNssa (3)
                      }
       MAX-ACCESS   read-create
       STATUS       current
       DESCRIPTION
          "Indicates if an area is a stub area, NSSA, or standard
          area.  Type-5 AS-external LSAs and type-11 Opaque LSAs are
          not imported into stub areas or NSSAs.  NSSAs import
          AS-external data as type-7 LSAs"
       REFERENCE
          "OSPF Version 2, Appendix C.2 Area parameters"
       DEFVAL { importExternal }
       ::= { ospfAreaEntry 3 }

  ospfSpfRuns OBJECT-TYPE
       SYNTAX       Counter32
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION
          "The number of times that the intra-area route
          table has been calculated using this area's
          link state database.  This is typically done
          using Dijkstra's algorithm.

          Discontinuities in the value of this counter can occur
          at re-initialization of the management system, and at other
          times as indicated by the value of ospfDiscontinuityTime."
       ::= { ospfAreaEntry 4 }

  ospfAreaBdrRtrCount OBJECT-TYPE
       SYNTAX       Gauge32
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION
          "The total number of Area Border Routers reachable
          within this area.  This is initially zero and is
          calculated in each Shortest Path First (SPF) pass."

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       ::= { ospfAreaEntry 5 }

  ospfAsBdrRtrCount OBJECT-TYPE
       SYNTAX       Gauge32
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION
          "The total number of Autonomous System Border
          Routers reachable within this area.  This is
          initially zero and is calculated in each SPF
          pass."
       ::= { ospfAreaEntry 6 }

  ospfAreaLsaCount OBJECT-TYPE
       SYNTAX       Gauge32
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION
          "The total number of link state advertisements
          in this area's link state database, excluding
          AS-external LSAs."
       ::= { ospfAreaEntry 7 }

  ospfAreaLsaCksumSum OBJECT-TYPE
       SYNTAX       Integer32
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION
          "The 32-bit sum of the link state
          advertisements' LS checksums contained in this
          area's link state database.  This sum excludes
          external (LS type-5) link state advertisements.
          The sum can be used to determine if there has
          been a change in a router's link state
          database, and to compare the link state database of
          two routers.  The value should be treated as unsigned
          when comparing two sums of checksums."
       DEFVAL { 0 }
       ::= { ospfAreaEntry 8 }

  ospfAreaSummary OBJECT-TYPE
       SYNTAX       INTEGER {
                       noAreaSummary (1),
                       sendAreaSummary (2)
                       }
       MAX-ACCESS   read-create
       STATUS       current
       DESCRIPTION

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          "The variable ospfAreaSummary controls the
          import of summary LSAs into stub and NSSA areas.
          It has no effect on other areas.

          If it is noAreaSummary, the router will not
          originate summary LSAs into the stub or NSSA area.
          It will rely entirely on its default route.

          If it is sendAreaSummary, the router will both
          summarize and propagate summary LSAs."
       DEFVAL { noAreaSummary }
       ::= { ospfAreaEntry 9 }

  ospfAreaStatus OBJECT-TYPE
       SYNTAX       RowStatus
       MAX-ACCESS   read-create
       STATUS       current
       DESCRIPTION
          "This object permits management of the table by
          facilitating actions such as row creation,
          construction, and destruction.

          The value of this object has no effect on
          whether other objects in this conceptual row can be
          modified."
       ::= { ospfAreaEntry 10 }

  ospfAreaNssaTranslatorRole OBJECT-TYPE
       SYNTAX       INTEGER { always (1), candidate (2) }
       MAX-ACCESS   read-create
       STATUS       current
       DESCRIPTION
          "Indicates an NSSA border router's ability to
          perform NSSA translation of type-7 LSAs into
          type-5 LSAs."
       DEFVAL { candidate }
       ::= { ospfAreaEntry 11 }

  ospfAreaNssaTranslatorState OBJECT-TYPE
       SYNTAX       INTEGER { enabled (1),
                       elected (2),
                       disabled (3)
                       }
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION
          "Indicates if and how an NSSA border router is
          performing NSSA translation of type-7 LSAs into type-5

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          LSAs.  When this object is set to enabled, the NSSA Border
          router's OspfAreaNssaExtTranslatorRole has been set to
          always.  When this object is set to elected, a candidate
          NSSA Border router is Translating type-7 LSAs into type-5.
          When this object is set to disabled, a candidate NSSA
          border router is NOT translating type-7 LSAs into type-5."
       ::= { ospfAreaEntry 12 }

  ospfAreaNssaTranslatorStabilityInterval OBJECT-TYPE
       SYNTAX       PositiveInteger
       UNITS        "seconds"
       MAX-ACCESS   read-create
       STATUS       current
       DESCRIPTION
          "The number of seconds after an elected translator
          determines its services are no longer required, that
          it should continue to perform its translation duties."
       DEFVAL { 40 }
       ::= { ospfAreaEntry 13 }

  ospfAreaNssaTranslatorEvents OBJECT-TYPE
       SYNTAX       Counter32
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION
          "Indicates the number of translator state changes
          that have occurred since the last boot-up.

          Discontinuities in the value of this counter can occur
          at re-initialization of the management system, and at other
          times as indicated by the value of ospfDiscontinuityTime."
       ::= { ospfAreaEntry 14 }

--  OSPF Area Default Metric Table

  ospfStubAreaTable OBJECT-TYPE
       SYNTAX       SEQUENCE OF OspfStubAreaEntry
       MAX-ACCESS   not-accessible
       STATUS       current
       DESCRIPTION
          "The set of metrics that will be advertised
          by a default Area Border Router into a stub area."
       REFERENCE
          "OSPF Version 2, Appendix C.2, Area Parameters"
       ::= { ospf 3 }

  ospfStubAreaEntry OBJECT-TYPE
       SYNTAX       OspfStubAreaEntry

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       MAX-ACCESS   not-accessible
       STATUS      current
       DESCRIPTION
          "The metric for a given Type of Service that
          will be advertised by a default Area Border
          Router into a stub area.

          Information in this table is persistent and when this object
          is written the entity SHOULD save the change to non-volatile
          storage."
       REFERENCE
          "OSPF Version 2, Appendix C.2, Area Parameters"
       INDEX { ospfStubAreaId, ospfStubTOS }
       ::= { ospfStubAreaTable 1 }

  OspfStubAreaEntry ::=
       SEQUENCE {
          ospfStubAreaId
             AreaID,
          ospfStubTOS
             TOSType,
          ospfStubMetric
             BigMetric,
          ospfStubStatus
             RowStatus,
          ospfStubMetricType
             INTEGER
          }

  ospfStubAreaId OBJECT-TYPE
       SYNTAX       AreaID
       MAX-ACCESS   read-only -- read-only since originally an
                              -- SMIv1 index
       STATUS       current
       DESCRIPTION
          "The 32-bit identifier for the stub area.  On
          creation, this can be derived from the
          instance."
       ::= { ospfStubAreaEntry 1 }

  ospfStubTOS OBJECT-TYPE
       SYNTAX       TOSType
       MAX-ACCESS   read-only -- read-only since originally an
                              -- SMIv1 index
       STATUS       current
       DESCRIPTION
          "The Type of Service associated with the
          metric.  On creation, this can be derived from

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          the instance."
       ::= { ospfStubAreaEntry 2 }

  ospfStubMetric OBJECT-TYPE
       SYNTAX       BigMetric
       MAX-ACCESS   read-create
       STATUS       current
       DESCRIPTION
          "The metric value applied at the indicated Type
          of Service.  By default, this equals the least
          metric at the Type of Service among the
          interfaces to other areas."
       ::= { ospfStubAreaEntry 3 }

  ospfStubStatus OBJECT-TYPE
       SYNTAX       RowStatus
       MAX-ACCESS   read-create
       STATUS       current
       DESCRIPTION
          "This object permits management of the table by
          facilitating actions such as row creation,
          construction, and destruction.

          The value of this object has no effect on
          whether other objects in this conceptual row can be
          modified."
       ::= { ospfStubAreaEntry 4 }

  ospfStubMetricType OBJECT-TYPE
       SYNTAX       INTEGER {
                       ospfMetric (1),  -- OSPF Metric
                       comparableCost (2), -- external type 1
                       nonComparable  (3) -- external type 2
                       }
       MAX-ACCESS   read-create
       STATUS       current
       DESCRIPTION
          "This variable displays the type of metric
          advertised as a default route."
       DEFVAL { ospfMetric }
       ::= { ospfStubAreaEntry 5 }

--  OSPF Link State Database

  ospfLsdbTable OBJECT-TYPE
       SYNTAX       SEQUENCE OF OspfLsdbEntry
       MAX-ACCESS   not-accessible
       STATUS       current

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       DESCRIPTION
          "The OSPF Process's link state database (LSDB).
           The LSDB contains the link state advertisements
           from throughout the areas that the device is attached to."
       REFERENCE
          "OSPF Version 2, Section 12 Link State Advertisements"
       ::= { ospf 4 }

  ospfLsdbEntry OBJECT-TYPE
       SYNTAX   OspfLsdbEntry
       MAX-ACCESS   not-accessible
       STATUS   current
       DESCRIPTION
          "A single link state advertisement."
       INDEX { ospfLsdbAreaId, ospfLsdbType,
               ospfLsdbLsid, ospfLsdbRouterId }
       ::= { ospfLsdbTable 1 }

  OspfLsdbEntry ::=
       SEQUENCE {
          ospfLsdbAreaId
             AreaID,
          ospfLsdbType
             INTEGER,
          ospfLsdbLsid
             IpAddress,
          ospfLsdbRouterId
             RouterID,
          ospfLsdbSequence
             Integer32,
          ospfLsdbAge
             Integer32,
          ospfLsdbChecksum
             Integer32,
          ospfLsdbAdvertisement
             OCTET STRING
          }

  ospfLsdbAreaId OBJECT-TYPE
       SYNTAX       AreaID
       MAX-ACCESS   read-only -- read-only since originally an
                              -- SMIv1 index
       STATUS       current
       DESCRIPTION
          "The 32-bit identifier of the area from which
          the LSA was received."
       REFERENCE
          "OSPF Version 2, Appendix C.2 Area parameters"

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       ::= { ospfLsdbEntry 1 }

  ospfLsdbType OBJECT-TYPE
       SYNTAX       INTEGER {
                       routerLink (1),
                       networkLink (2),
                       summaryLink (3),
                       asSummaryLink (4),
                       asExternalLink (5), -- but see ospfAsLsdbTable
                       multicastLink (6),
                       nssaExternalLink (7),
                       areaOpaqueLink (10)
                       }
       MAX-ACCESS   read-only -- read-only since originally an
                              -- SMIv1 index
       STATUS       current
       DESCRIPTION
          "The type of the link state advertisement.
          Each link state type has a separate advertisement
          format.

          Note: External link state advertisements are permitted
          for backward compatibility, but should be displayed
          in the ospfAsLsdbTable rather than here."
       REFERENCE
          "OSPF Version 2, Appendix A.4.1 The Link State
          Advertisement header"
       ::= { ospfLsdbEntry 2 }

  ospfLsdbLsid OBJECT-TYPE
       SYNTAX       IpAddress
       MAX-ACCESS   read-only -- read-only since originally an
                              -- SMIv1 index
       STATUS       current
       DESCRIPTION
          "The Link State ID is an LS Type Specific field
          containing either a Router ID or an IP address;
          it identifies the piece of the routing domain
          that is being described by the advertisement."
       REFERENCE
          "OSPF Version 2, Section 12.1.4 Link State ID"
       ::= { ospfLsdbEntry 3 }

  ospfLsdbRouterId OBJECT-TYPE
       SYNTAX       RouterID
       MAX-ACCESS   read-only -- read-only since originally an
                              -- SMIv1 index
       STATUS       current

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       DESCRIPTION
          "The 32-bit number that uniquely identifies the
          originating router in the Autonomous System."
       REFERENCE
          "OSPF Version 2, Appendix C.1 Global parameters"
       ::= { ospfLsdbEntry 4 }

  ospfLsdbSequence OBJECT-TYPE
       SYNTAX       Integer32
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION
          "The sequence number field is a signed 32-bit
          integer.  It starts with the value '80000001'h,
          or -'7FFFFFFF'h, and increments until '7FFFFFFF'h.
          Thus, a typical sequence number will be very negative.
          It is used to detect old and duplicate Link State
          Advertisements.  The space of sequence numbers is linearly
          ordered.  The larger the sequence number, the more recent
          the advertisement."
       REFERENCE
          "OSPF Version 2, Section 12.1.6 LS sequence
          number"
       ::= { ospfLsdbEntry 5 }

  ospfLsdbAge OBJECT-TYPE
       SYNTAX       Integer32 -- Should be 0..MaxAge, except when
                              -- doNotAge bit is set
       UNITS        "seconds"
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION
          "This field is the age of the link state advertisement
          in seconds."
       REFERENCE
          "OSPF Version 2, Section 12.1.1 LS age"
       ::= { ospfLsdbEntry 6 }

  ospfLsdbChecksum OBJECT-TYPE
       SYNTAX       Integer32
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION
          "This field is the checksum of the complete contents of
          the advertisement, excepting the age field.  The age field
          is excepted so that an advertisement's age can be
          incremented without updating the checksum.  The checksum
          used is the same that is used for ISO connectionless

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          datagrams; it is commonly referred to as the
          Fletcher checksum."
        REFERENCE
           "OSPF Version 2, Section 12.1.7 LS checksum"
        ::= { ospfLsdbEntry 7 }

  ospfLsdbAdvertisement OBJECT-TYPE
       SYNTAX       OCTET STRING (SIZE (1..65535))
       MAX-ACCESS   read-only
       STATUS       current
       DESCRIPTION
          "The entire link state advertisement, including
          its header.

          Note that for variable length LSAs, SNMP agents
          may not be able to return the largest string size."
       REFERENCE
          "OSPF Version 2, Section 12 Link State Advertisements"
       ::= { ospfLsdbEntry 8 }

--  Address Range Table

  ospfAreaRangeTable OBJECT-TYPE
       SYNTAX       SEQUENCE OF OspfAreaRangeEntry
       MAX-ACCESS   not-accessible
       STATUS       obsolete
       DESCRIPTION
          "The Address Range Table acts as an adjunct to the Area
           Table.  It describes those Address Range Summaries that
           are configured to be propagated from an Area to reduce
           the amount of information about it that is known beyond
           its borders.  It contains a set of IP address ranges
           specified by an IP address/IP network mask pair.
           For example, class B address range of X.X.X.X
           with a network mask of 255.255.0.0 includes all IP
           addresses from X.X.0.0 to X.X.255.255.

           Note that this table is obsoleted and is replaced
           by the Area Aggregate Table."
       REFERENCE
          "OSPF Version 2, Appendix C.2  Area parameters"
       ::= { ospf 5 }

  ospfAreaRangeEntry OBJECT-TYPE
       SYNTAX       OspfAreaRangeEntry
       MAX-ACCESS   not-accessible
       STATUS       obsolete
       DESCRIPTION

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          "A single area address range.

          Information in this table is persistent and when this object
          is written the entity SHOULD save the change to non-volatile
          storage."
       REFERENCE
          "OSPF Version 2, Appendix C.2  Area parameters"
       INDEX { ospfAreaRangeAreaId, ospfAreaRangeNet }
       ::= { ospfAreaRangeTable 1 }

  OspfAreaRangeEntry ::=
       SEQUENCE {
          ospfAreaRangeAreaId
             AreaID,
          ospfAreaRangeNet
             IpAddress,
          ospfAreaRangeMask
             IpAddress,
          ospfAreaRangeStatus
             RowStatus,
          ospfAreaRangeEffect
             INTEGER
          }

  ospfAreaRangeAreaId OBJECT-TYPE
       SYNTAX       AreaID
       MAX-ACCESS   read-only -- read-only since originally an
                              -- SMIv1 index
       STATUS       obsolete
       DESCRIPTION
          "The area that the address range is to be found
          within."
       REFERENCE
          "OSPF Version 2, Appendix C.2 Area parameters"
       ::= { ospfAreaRangeEntry 1 }

  ospfAreaRangeNet OBJECT-TYPE
       SYNTAX       IpAddress
       MAX-ACCESS   read-only -- read-only since originally an
                              -- SMIv1 index
       STATUS       obsolete
       DESCRIPTION
          "The IP address of the net or subnet indicated
          by the range."
       REFERENCE
          "OSPF Version 2, Appendix C.2 Area parameters"
       ::= { ospfAreaRangeEntry 2 }


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