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.

          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

           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

       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 {

                       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

       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

        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

          "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

          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

       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

          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

           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

       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

      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 }

  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

       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."

       ::= { 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

          "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