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In: Proposed Standard
Network Working Group                                       Dan Joyal
Internet Draft                                        Nortel Networks

                                                       Vishwas Manral
                                                         Motorola Inc

Document: draft-ietf-ospf-ospfv3-mib-07.txt        July 2003
Expires: January 2004


                Management Information Base for OSPFv3


 Status of this Memo
   This document is an Internet-Draft and is in full conformance with
   all provisions of Section 10 of RFC2026.

   Internet-Drafts are working documents of the Internet Engineering
   Task Force (IETF), its areas, and its working groups.  Note that
   other groups may also distribute working documents as Internet-
   Drafts.

   Internet-Drafts are draft documents valid for a maximum of six
   months and may be updated, replaced, or obsoleted by other
   documents at any time.  It is inappropriate to use Internet-
   Drafts as reference material or to cite them other than as "work
   in progress."

   The list of current Internet-Drafts can be accessed at
   http://www.ietf.org/ietf/1id-abstracts.txt

   The list of Internet-Draft Shadow Directories can be accessed at
   http://www.ietf.org/shadow.html.


Copyright Notice

   Copyright (C) The Internet Society (2001).  All Rights Reserved.


  Abstract

   This memo defines a portion of the Management Information Base (MIB)
   for use with network management protocols in IPv6-based internets. In
   particular, it defines objects for managing the Open Shortest Path
   First Routing Protocol for IPv6.

   Please send comments to ospf@peach.ease.lsoft.com.

   Contents

     1. The SNMP Management Framework ...............................2
     2. Overview.....................................................3


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                              OSPFv3 MIB                     July 2003


     2.1. IPv6 Interfaces............................................3
     2.2. Addressing Semantics ......................................4
     2.3. Authentication.............................................4
     2.4. Type of Service............................................4
     2.5. Flooding Scope.............................................4
     2.6. Virtual Links..............................................4
     2.7. Neighbors..................................................5
     3. Structure of the OSPFv3 MIB .................................5
     3.1. General Variables..........................................5
     3.2. Area Table.................................................5
     3.3. Area-Scope, Link-Scope and AS-Scope Link State Database....5
     3.4. Host Table.................................................5
     3.5. Interface Table............................................5
     3.6. Virtual Interface Table ...................................6
     3.7. Neighbor, NBMA Neighbor and Virtual Neighbor Tables........6
     3.8. Aggregate Range Table .....................................6
     4. Definitions..................................................6
     5. Acknowledgements............................................57
     6. References..................................................58
     7. Security Considerations ....................................59
     8. ContributorÆs Addresses ....................................60
     9. Authors' Addresses..........................................60
     A. Differences from RFC 1850...................................60
     Full Copyright Statement ......................................65


1. The SNMP Management Framework


   The SNMP Management Framework presently consists of five major
   components:

   o    An overall architecture, described in RFC 2571 [1].

   o    Mechanisms for describing and naming objects and events
        for the purpose of management. The first version of this
        Structure of Management Information (SMI) is called SMIv1
        and described in STD 16, RFC 1155 [2], STD 16, RFC 1212
        [3] and RFC 1215 [4]. The second version, called SMIv2,
        is described in STD 58, RFC 2578 [5], RFC 2579 [6] and
        RFC 2580 [7].

   o    Message protocols for transferring management
        information. The first version of the SNMP message
        protocol is called SNMPv1 and described in STD 15, RFC
        1157 [8]. A second version of the SNMP message protocol,
        which is not an Internet standards track protocol, is
        called SNMPv2c and described in RFC 1901 [9] and RFC 1906
        [10]. The third version of the message protocol is called
        SNMPv3 and described in RFC 1906 [10], RFC 2572 [11] and
        RFC 2574 [12].

   o    Protocol operations for accessing management information.
        The first set of protocol operations and associated PDU


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        formats is described in STD 15, RFC 1157  [8].  A second
        set of protocol operations and associated PDU formats is
        described in RFC 1905 [13].

   o    A set of fundamental applications described in RFC 2573
        [14] and the view-based access control mechanism
        described in RFC 2575 [15].

   A more detailed introduction to the current SNMP Management
   Framework can be found in RFC 2570 [16].

   Managed objects are accessed via a virtual information store,
   termed the Management Information Base or MIB. Objects in the
   MIB are defined using the mechanisms defined in the SMI.

   This memo specifies a MIB module that is compliant to the
   SMIv2. A MIB conforming to the SMIv1 can be produced through
   the appropriate translations. The resulting translated MIB
   must be semantically equivalent, except where objects or
   events are omitted because no translation is possible (use of
   Counter64). Some machine readable information in SMIv2 will be
   converted into textual descriptions in SMIv1 during the
   translation process. However, this loss of machine readable
   information is not considered to change the semantics of the
   MIB.


2. Overview

   This memo defines a portion of the Management Information Base (MIB)
   for managing the Open Shortest Path First Routing Protocol for IPv6,
   otherwise known as OSPF version 3 (OSPFv3). Though the fundamental
   mechanisms of OSPF version 2 (OSPFv2) remain unchanged in OSPFv3,
   some changes were necessary due to differences in IP address size and
   in protocol semantics between IPv4 and IPv6. In many cases, where the
   protocol operations have not changed from OSPFv2, the specification
   for OSPFv3 does not restate the details, but instead refers to the
   relevant sections in the OSPFv2 specification. This MIB follows along
   the same lines and includes Reference clauses referring to the OSPFv2
   specification when applicable.

   An attempt was made to align the OSPFv3 MIB as closely as possible
   with the OSPFv2 MIB. The following subsections highlight the major
   differences between the OSPFv2 MIB and the OSPFv3 MIB. A detailed
   list of differences can be found in Appendix A.

   2.1. IPv6 Interfaces

   IPv6 interfaces attach to links [17]. A link is roughly defined as
   the layer below IPv6 (e.g. Ethernet, IPv4 Tunnel). One or more IPv6
   prefixes can be associated with an IPv6 interface. IPv6 interfaces
   and the prefixes associated with those interfaces can be configured
   via the IPV6-MIB [20]. IPv6 interfaces are configured in the IPv6

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   Interface Table and IPv6 prefixes are configured in the IPv6 Address
   Prefix Table. An IPv6 interface is identified by a unique index
   value. IPv6 Address Prefix Table entries associated with an IPv6
   interface reference the interface's index.

   Whereas an interface identifier in OSPFv2 is a local IPv4 address or
   MIB-2 interface index, an OSPFv3 interface identifier is an IPv6
   interface index. For example, the index value of an OSPFv3 Interface
   Table entry is the IPv6 interface index of the IPv6 interface over
   which OSPFv3 is configured to operate.

   2.2. Addressing Semantics

   Router ID, Area ID and Link State ID remain at the OSPFv2 size of 32
   bits, therefore, they cannot be assigned IPv6 addresses. A router
   running both IPv4 and IPv6 concurrently can continue to use a local
   IPv4 interface address as the OSPFv3 router ID. Otherwise, the router
   ID must be selected using another method (e.g. administratively
   assigned). The Link State ID has no addressing semantics in OSPFv3.

   The syntax of Router ID, Area ID and Link State ID remains the same
   as in the OSPFv2 MIB(i.e. ipAddress). The order of the Router ID and
   Link State ID index components in Link State Database Tables are
   reversed in OSPFv3 since the lack of addressing semantics in Link
   State IDs make them less unique identifiers than the Router ID. It is
   more useful to do partial OID lookups extending to the Router ID
   rather than the LSID.

   2.3. Authentication

   In OSPFv3, authentication has been removed from the protocol itself.
   MIB objects related to authentication are not carried forward from
   the OSPFv2 MIB.

   2.4. Type of Service

   OSPFv2 MIB objects related to Type of Service (ToS) are not carried
   forward to the OSPFv3 MIB.

   2.5. Flooding Scope

   Flooding scope for LSAs has been generalized and is now explicitly
   encoded in the LSA's LS type field. The action to take upon receipt
   of unknown LSA types is also encoded in the LS type field [19]. The
   OSPFv3 MIB defines three Link State Database tables, one each for
   Area-scope LSAs, Link-scope LSAs and AS-scope LSAs.

   2.6. Virtual Links

   Since addressing semantics have been removed from router-LSAs in
   OSPFv3, Virtual Links now need to be assigned an interface ID for
   advertisement in Hello packets and in router-LSAs. An object has
   been added to the Virtual Interface Table entry for this purpose.

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   2.7. Neighbors

   The OSPFv2 Neighbor Table has been split into two tables. The OSPFv3
   Neighbor Table is a read-only table and it contains information
   learned from Hellos received from neighbors, including NBMA
   neighbors. The OSPFv3 NBMA Neighbor Table contains entries for
   manually configured neighbors and neighbors dynamically discovered by
   lower-level protocols such as Inverse Neighbor Discovery.


3. Structure of the OSPFv3 MIB

   The MIB is composed of the following sections:

        General Variables
        Area Table
        Area-Scope Link State Database
        Link-Scope Link State Database
        AS-Scope Link State Database
        Host Table
        Interface Table
        Virtual Interface Table
        Neighbor Table
        NBMA Neighbor Table
        Virtual Neighbor Table
        Aggregate Range Table

   3.1. General Variables

   The General Variables are global to the OSPFv3 Process.

   3.2. Area Table

   The Area Data Structure describes the OSPFv3  Areas  that  the
   router participates in.

   3.3. Area-Scope, Link-Scope and AS-Scope Link State Database

   The Link State  Databases  are  provided  primarily  to  provide
   detailed information for network debugging.

   3.4. Host Table

   The Host Table is  provided  to  view  configured  Host  Route
   information.

   3.5. Interface Table

   The Interface Table describes the various IPv6 links on  which
   OSPFv3 is configured.

   3.6. Virtual Interface Table

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   The Virtual Interface Table describes virtual OSPFv3 links.

   3.7. Neighbor, NBMA Neighbor and Virtual Neighbor Tables

   The Neighbor Table, the NBMA Neighbor Table and the Virtual Neighbor
   Table describe the neighbors to the OSPFv3 Process.

   3.8. Aggregate Range Table

   The Aggregate Range Table describes prefixes, which summarize
   routing information for export outside of an Area.


4. Definitions

    OSPFV3-MIB DEFINITIONS ::= BEGIN

    IMPORTS
            MODULE-IDENTITY, OBJECT-TYPE, mib-2,
            Counter32, Gauge32, Integer32, IpAddress,
            Unsigned32
                    FROM SNMPv2-SMI
            TEXTUAL-CONVENTION, TruthValue, StorageType, RowStatus
                    FROM SNMPv2-TC
            MODULE-COMPLIANCE, OBJECT-GROUP
                    FROM SNMPv2-CONF
            InterfaceIndex
                    FROM IF-MIB
            InetAddressType, InetAddress, InetAddressPrefixLength
                    FROM INET-ADDRESS-MIB
            AreaID, RouterID, Metric, BigMetric, Status,
            HelloRange, DesignatedRouterPriority
                    FROM OSPF-MIB;

    ospfv3MIB MODULE-IDENTITY
            LAST-UPDATED "200304061200Z"
            ORGANIZATION "IETF OSPF Working Group"
            CONTACT-INFO
                "WG E-Mail: ospf@peach.ease.lsoft.com
                 WG Chairs: John.Moy@sycamorenet.com
                            acee@redback.com
                            rohit@xebeo.com

                 Dan Joyal
                 Nortel Networks
                 600 Technology Park Drive
                 Billerica, MA  01821, USA
                 djoyal@nortelnetworks.com

                 Vishwas Manral
                 Motorola Inc.


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                 189, Prashasan Nagar
                 Road Number 72
                 Jubilee Hills
                 Hyderabad, India
                 vishwas@motorola.com ææ


             DESCRIPTION
                 "The MIB module to describe OSPF version 3"
             REVISION "200304061200Z"
             DESCRIPTION -- RFC Editor assigns RFC xxxx
                 "Initial version, published as RFC xxxx"
             ::= { mib-2 xx } -- IANA assigns xx

    -- Texual conventions

    UpToRefreshInterval ::= TEXTUAL-CONVENTION
             STATUS        current
             DESCRIPTION
                ææThe values one might be able to configure for
                variables bounded by the Refresh Interval ÆÆ
             SYNTAX        Integer32 (1..1800)


    -- Top-level structure of MIB
    ospfv3Objects        OBJECT IDENTIFIER ::= { ospfv3MIB 1 }
    ospfv3Conformance    OBJECT IDENTIFIER ::= { ospfv3MIB 2 }

    -- OSPFv3 General Variables

    -- These parameters apply globally to the Router's
    -- OSPFv3 Process.

    ospfv3GeneralGroup OBJECT IDENTIFIER ::= { ospfv3Objects 1 }

    ospfv3RouterId OBJECT-TYPE
            SYNTAX         RouterID
            MAX-ACCESS     read-write
            STATUS         current
            DESCRIPTION
                "A  32-bit  integer  uniquely  identifying  the
                router in the Autonomous System.
                To  ensure  uniqueness, this may
                default  to  the  value  of  one of the
                router's IPv4 interface addresses if IPv4 is
                configured on the router."
            ::= { ospfv3GeneralGroup 1 }

    ospfv3AdminStat OBJECT-TYPE
            SYNTAX          Status
            MAX-ACCESS      read-write
            STATUS          current

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            DESCRIPTION
                "The  administrative  status  of  OSPFv3  in  the
                router.   The  value 'enabled' denotes that the
                OSPFv3 Process is active on at least  one  inter-
                face;  'disabled'  disables  it  on  all inter-
                faces."
            ::= { ospfv3GeneralGroup 2 }

    ospfv3VersionNumber OBJECT-TYPE
            SYNTAX          INTEGER { version3(3) }
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "The version number of OSPF for IPv6 is 3."
            ::= { ospfv3GeneralGroup 3 }

    ospfv3AreaBdrRtrStatus 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"
            ::= { ospfv3GeneralGroup 4 }

    ospfv3ASBdrRtrStatus OBJECT-TYPE
            SYNTAX          TruthValue
            MAX-ACCESS      read-write
            STATUS          current
            DESCRIPTION
                "A flag to note whether this router is  config-
                ured as an Autonomous System border router."
            REFERENCE
                "OSPF Version 2, Section 3.3  Classification  of
                routers"
            ::= { ospfv3GeneralGroup 5 }

    ospfv3AsScopeLsaCount OBJECT-TYPE
            SYNTAX          Gauge32
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "The number of AS-Scope (e.g. AS-External) link-state
                advertisements in the link-state database."
            ::= { ospfv3GeneralGroup 6 }

    ospfv3AsScopeLsaCksumSum OBJECT-TYPE
            SYNTAX          Integer32
            MAX-ACCESS      read-only
            STATUS          current

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            DESCRIPTION
                "The 32-bit unsigned sum of the LS checksums of
                the  AS-scoped link-state advertisements  con-
                tained 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."
            ::= { ospfv3GeneralGroup 7 }

    ospfv3OriginateNewLsas 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 in-
                cremented each time the router originates a new
                LSA."
            ::= { ospfv3GeneralGroup 8 }

    ospfv3RxNewLsas OBJECT-TYPE
            SYNTAX          Counter32
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "The number of  link-state  advertisements  re-
                ceived  determined  to  be  new instantiations.
                This number does not include  newer  instantia-
                tions  of self-originated link-state advertise-
                ments."
            ::= { ospfv3GeneralGroup 9 }

    ospfv3ExtLsaCount OBJECT-TYPE
            SYNTAX          Gauge32
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "The number of External(LS type 0x4005) in the link-
                state database"
            ::= { ospfv3GeneralGroup 10 }


    ospfv3ExtAreaLsdbLimit 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.


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                When the number of non-default AS-external-LSAs
                in   a  router's  link-state  database  reaches
                ospfv3ExtAreaLsdbLimit, the router  enters  Overflow-
                State.   The   router  never  holds  more  than
                ospfv3ExtAreaLsdbLimit  non-default  AS-external-LSAs
                in  its  database. OspfExtAreaLsdbLimit MUST be set
                identically in all routers attached to the OSPFv3
                backbone  and/or  any regular OSPFv3 area. (i.e.,
                OSPFv3 stub areas and NSSAs are excluded)."
            ::= { ospfv3GeneralGroup 11 }

    ospfv3MulticastExtensions OBJECT-TYPE
            SYNTAX          BITS {
                                     intraAreaMulticast(0),
                                     interAreaMulticast(1),
                                     interAsMulticast(2)
                                 }

            MAX-ACCESS      read-write
            STATUS          current
            DESCRIPTION
                "A Bit Mask indicating whether the router is
                forwarding IPv6 multicast datagrams
                based on the algorithms defined in the  Multi-
                cast Extensions to OSPF.

                If intraAreaMulticast set, indicates that the router
                can forward  IPv6 multicast datagrams in the router's
                directly attached areas (called intra-area mul-
                ticast routing).

                If interAreaMulticast set, indicates that the router
                can forward IPv6 multicast datagrams between OSPFv3
                areas (called inter-area multicast routing).

                If interAsMulticast set, indicates that the router can
                forward  IPv6  multicast datagrams between Auto-
                nomous Systems (called inter-AS multicast rout-
                ing).

                Only certain combinations of bit settings are
                allowed, namely:
                        - All bits cleared (no multicasting)
                        - intraAreaMulticast only,
                        - intraAreaMulticast and interAreaMulticast,
                        - intraAreaMulticast and interAsMulticast
                        - intraAreaMulticast, interAreaMulticast and
                                interAsMulticast
                By default, all bits are cleared."
            ::= { ospfv3GeneralGroup 12 }

    ospfv3ExitOverflowInterval OBJECT-TYPE
            SYNTAX          Unsigned32

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            UNITS           "seconds"
            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."
            ::= { ospfv3GeneralGroup 13 }

    ospfv3DemandExtensions OBJECT-TYPE
            SYNTAX         TruthValue
            MAX-ACCESS     read-write
            STATUS         current
            DESCRIPTION
                "The router's support for demand routing."
            REFERENCE
                "OSPF Version 2, Appendix on Demand Routing"
            ::= { ospfv3GeneralGroup 14 }

    ospfv3TrafficEngineeringSupport OBJECT-TYPE
            SYNTAX          TruthValue
            MAX-ACCESS      read-write
            STATUS          current
            DESCRIPTION
                "The router's support for traffic engineering
                extensions."
            ::= { ospfv3GeneralGroup 15 }

    ospfv3ReferenceBandwidth OBJECT-TYPE
           SYNTAX       Unsigned32
           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)"
        ::= { ospfv3GeneralGroup 16 }

    ospfv3RestartSupport OBJECT-TYPE
           SYNTAX       INTEGER { none (1),
                                  plannedOnly (2),
                                  plannedAndUnplanned (3)
                             }
           MAX-ACCESS   read-write
           STATUS       current
           DESCRIPTION
              "The router's support for OSPF hitless restart.
              Options include: no restart support, only planned
              restarts or both planned and unplanned restarts."
           ::= { ospfv3GeneralGroup 17 }

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    ospfv3RestartInterval OBJECT-TYPE
           SYNTAX       UpToRefreshInterval
           UNITS        "seconds"
           MAX-ACCESS   read-write
           STATUS       current
           DESCRIPTION
              "Configured OSPF hitless restart timeout interval."
           ::= { ospfv3GeneralGroup 18 }

    ospfv3RestartStatus OBJECT-TYPE
           SYNTAX       INTEGER { notRestarting (1),
                                  plannedRestart (2),
                                  unplannedRestart (3)
                                }
           MAX-ACCESS   read-only
           STATUS       current
           DESCRIPTION
              "Current status of OSPF hitless restart."
           ::= { ospfv3GeneralGroup 19 }

    ospfv3RestartAge OBJECT-TYPE
           SYNTAX       UpToRefreshInterval
           UNITS        "seconds"
           MAX-ACCESS   read-only
           STATUS       current
           DESCRIPTION
              "Remaining time in current OSPF hitless restart
              interval."
           ::= { ospfv3GeneralGroup 20 }

    ospfv3RestartExitReason 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
                                                      -- topologychange.
                                }
           MAX-ACCESS   read-only
           STATUS       current
           DESCRIPTION
              "Describes the outcome of the last attempt at a
              hitless restart. If the value is 'none', no restart
               has yet been attempted. If the value is 'inProgress',
              a restart attempt is currently underway."
        ::= { ospfv3GeneralGroup 21 }


    -- The OSPFv3 Area Data Structure contains information
    -- regarding the various areas. The interfaces and

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    -- virtual links are configured as part of these areas.
    -- Area 0.0.0.0, by definition, is the Backbone Area

    ospfv3AreaTable OBJECT-TYPE
            SYNTAX          SEQUENCE OF Ospfv3AreaEntry
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
                "Information describing the configured  parame-
                ters  and cumulative statistics of the router's
                attached areas."
            REFERENCE
                "OSPF Version 2, Section 6 The Area Data Struc-
                ture"
            ::= { ospfv3Objects 2 }

    ospfv3AreaEntry OBJECT-TYPE
            SYNTAX          Ospfv3AreaEntry
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
                "Information describing the configured parame-
                ters and cumulative statistics of one of the
                router's attached areas."
            INDEX           { ospfv3AreaId }
            ::= { ospfv3AreaTable 1 }

    Ospfv3AreaEntry ::= SEQUENCE {
            ospfv3AreaId
                    AreaID,
            ospfv3ImportAsExtern
                    INTEGER,
            ospfv3SpfRuns
                    Counter32,
            ospfv3AreaBdrRtrCount
                    Gauge32,
            ospfv3AsBdrRtrCount
                    Gauge32,
            ospfv3AreaScopeLsaCount
                    Gauge32,
            ospfv3AreaScopeLsaCksumSum
                    Integer32,
            ospfv3AreaSummary
                    INTEGER,
            ospfv3AreaStatus
                    RowStatus,
            ospfv3StubMetric
                    BigMetric,
            ospfv3AreaNssaTranslatorRole
                    INTEGER,
            ospfv3AreaNssaTranslatorState
                    INTEGER,
            ospfv3AreaNssaTranslatorStabilityInterval

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                    Unsigned32,
            ospfv3AreaNssaTranslatorEvents
                    Counter32
            }

    ospfv3AreaId OBJECT-TYPE
            SYNTAX          AreaID
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
                "A 32-bit integer uniquely identifying an area.
                Area ID 0.0.0.0 is used for the OSPFv3 backbone."
            REFERENCE
                "OSPF Version 2, Appendix C.2 Area parameters"
            ::= { ospfv3AreaEntry 1 }

    ospfv3ImportAsExtern OBJECT-TYPE
            SYNTAX          INTEGER {
                            importExternal(1),   -- normal area
                            importNoExternal(2), -- stub area
                            importNssa(3)        -- not-so-stubby-area
                            }
            MAX-ACCESS      read-create
            STATUS          current
            DESCRIPTION
                "Indicates whether an area is a Stub area, NSSA, or
                standard area. AS-scope LSAs are not imported into Stub
                Areas or NSSAs. NSSAs import AS-External data as Type-7
                LSAs which have Area-scope"
            REFERENCE
                "OSPF Version 2, Appendix C.2 Area parameters"
            DEFVAL { importExternal }
            ::= { ospfv3AreaEntry 2 }

    ospfv3SpfRuns 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."
            ::= { ospfv3AreaEntry 3 }

    ospfv3AreaBdrRtrCount OBJECT-TYPE
            SYNTAX          Gauge32
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "The total number of area border routers reach-
                able within this area.  This is initially zero,
                and is calculated in each SPF Pass."

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            ::= { ospfv3AreaEntry 4 }

    ospfv3AsBdrRtrCount 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."
            ::= { ospfv3AreaEntry 5 }

    ospfv3AreaScopeLsaCount OBJECT-TYPE
            SYNTAX          Gauge32
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "The total number of Area-Scope link-state
                advertisements in  this  area's link-state
                database."
            ::= { ospfv3AreaEntry 6 }

    ospfv3AreaScopeLsaCksumSum OBJECT-TYPE
            SYNTAX          Integer32
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "The 32-bit unsigned sum of the Area-Scope link-state
                advertisements'  LS  checksums  contained in this
                area's link-state database.  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."
            ::= { ospfv3AreaEntry 7 }

    ospfv3AreaSummary OBJECT-TYPE
            SYNTAX          INTEGER {
                            noAreaSummary(1),
                            sendAreaSummary(2)
                            }
            MAX-ACCESS      read-create
            STATUS          current
            DESCRIPTION
                "The variable ospfv3AreaSummary controls the  im-
                port  of  Inter-Area LSAs into stub areas.  It has
                no effect on other areas.

                If it is noAreaSummary, the router will neither
                originate  nor  propagate Inter-Area LSAs into the
                stub area.  It will rely entirely  on  its  de-
                fault route.


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                If it is sendAreaSummary, the router will  both
                summarize and propagate Inter-Area LSAs."
            DEFVAL   { sendAreaSummary }
            ::= { ospfv3AreaEntry 8 }

    ospfv3AreaStatus OBJECT-TYPE
            SYNTAX          RowStatus
            MAX-ACCESS      read-create
            STATUS          current
            DESCRIPTION
                "This variable controls the status of  the  en-
                try. The use of RowStatus is covered in more detail
                in [6]."
            ::= { ospfv3AreaEntry 9 }

    ospfv3StubMetric OBJECT-TYPE
            SYNTAX          BigMetric
            MAX-ACCESS      read-create
            STATUS          current
            DESCRIPTION
                "The metric value advertised for the default route
                 into Stub and NSSA areas."
            ::= { ospfv3AreaEntry 10 }

    ospfv3AreaNssaTranslatorRole 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 }
            ::= { ospfv3AreaEntry 11 }

    ospfv3AreaNssaTranslatorState 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
                 LSAs. When this object is set to enabled, the NSSA
                 Border router's ospfv3AreaNssTranslatorRole
                 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."

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            ::= { ospfv3AreaEntry 12 }

    ospfv3AreaNssaTranslatorStabilityInterval OBJECT-TYPE
            SYNTAX          Unsigned32
            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 }
            ::= { ospfv3AreaEntry 13 }

    ospfv3AreaNssaTranslatorEvents 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."
            ::= { ospfv3AreaEntry 14 }

    -- OSPFv3 AS-Scope Link State Database

    -- The Link State Database contains the AS-Scope Link State
    -- Advertisements from throughout the areas that the
    -- device is attached to.

    ospfv3AsLsdbTable OBJECT-TYPE
            SYNTAX          SEQUENCE OF Ospfv3AsLsdbEntry
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
                "The OSPFv3 Process's AS-Scope Link State Database."
            ::= { ospfv3Objects 3 }

    ospfv3AsLsdbEntry OBJECT-TYPE
            SYNTAX          Ospfv3AsLsdbEntry
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
                "A single AS-Scope Link State Advertisement."
            INDEX           { ospfv3AsLsdbType,
                              ospfv3AsLsdbRouterId,
                              ospfv3AsLsdbLsid }
            ::= { ospfv3AsLsdbTable 1 }

    Ospfv3AsLsdbEntry ::= SEQUENCE {
            ospfv3AsLsdbType
                    Unsigned32,
            ospfv3AsLsdbRouterId
                    RouterID,

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            ospfv3AsLsdbLsid
                    IpAddress,
            ospfv3AsLsdbSequence
                    Integer32,
            ospfv3AsLsdbAge
                    Integer32,
            ospfv3AsLsdbChecksum
                    Integer32,
            ospfv3AsLsdbAdvertisement
                    OCTET STRING,
            ospfv3AsLsdbTypeKnown
                    TruthValue
            }

    ospfv3AsLsdbType OBJECT-TYPE
            SYNTAX          Unsigned32(0..'FFFFFFFF'h)
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
                "The type of the link state advertisement.
                Each link state type has a separate advertise-
                ment format. AS-Scope LSAs not recognized by
                the router may be stored in the database."
            ::= { ospfv3AsLsdbEntry 1 }

    ospfv3AsLsdbRouterId OBJECT-TYPE
            SYNTAX          RouterID
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
                "The 32 bit number that uniquely identifies the
                originating router in the Autonomous System."
            REFERENCE
                "OSPF Version 2, Appendix C.1 Global parameters"
            ::= { ospfv3AsLsdbEntry 2 }

    ospfv3AsLsdbLsid OBJECT-TYPE
            SYNTAX          IpAddress
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
                "The Link State ID is an LS Type Specific field
                containing a unique identifier;
                it identifies the piece of the  routing  domain
                that is being described by the advertisement.
                In contrast to OSPFv2, the LSID has no
                addressing semantics."
            ::= { ospfv3AsLsdbEntry 3 }

    -- Note that the OSPF Sequence Number is a 32 bit signed
    -- 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.

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    ospfv3AsLsdbSequence OBJECT-TYPE
            SYNTAX          Integer32
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "The sequence number field is a  signed  32-bit
                integer.   It  is used to detect old and dupli-
                cate 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"
            ::= { ospfv3AsLsdbEntry 4 }

    ospfv3AsLsdbAge OBJECT-TYPE
            SYNTAX          Integer32 -- Should be 0..MaxAge
                                      -- unless DoNotAge bit is set
            UNITS           "seconds"
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "This field is the age of the link state adver-
                tisement in seconds."
            REFERENCE
                "OSPF Version 2, Section 12.1.1 LS age"
            ::= { ospfv3AsLsdbEntry 5 }

    ospfv3AsLsdbChecksum 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 connec-
                tionless datagrams; it is commonly referred  to
                as the Fletcher checksum."
            REFERENCE
                "OSPF Version 2, Section 12.1.7 LS checksum"
            ::= { ospfv3AsLsdbEntry 6 }

    ospfv3AsLsdbAdvertisement OBJECT-TYPE
            SYNTAX          OCTET STRING (SIZE (1..65535))
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "The entire Link State Advertisement, including

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                its header."
            ::= { ospfv3AsLsdbEntry 7 }

    ospfv3AsLsdbTypeKnown OBJECT-TYPE
            SYNTAX          TruthValue
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "Is the LSA type recognized by this Router?"
            ::= { ospfv3AsLsdbEntry 8 }


    -- OSPFv3 Area-Scope Link State Database

    -- The Link State Database contains the Area-Scope Link State
    -- Advertisements from throughout the area that the
    -- device is attached to.

    ospfv3AreaLsdbTable OBJECT-TYPE
            SYNTAX          SEQUENCE OF Ospfv3AreaLsdbEntry
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
                "The OSPFv3 Process's Area-Scope Link State Database."
            ::= { ospfv3Objects 4 }

    ospfv3AreaLsdbEntry OBJECT-TYPE
            SYNTAX          Ospfv3AreaLsdbEntry
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
                "A single Area-Scope Link State Advertisement."
            INDEX           { ospfv3AreaLsdbAreaId,
                              ospfv3AreaLsdbType,
                              ospfv3AreaLsdbRouterId,
                              ospfv3AreaLsdbLsid }
            ::= { ospfv3AreaLsdbTable 1 }

    Ospfv3AreaLsdbEntry ::= SEQUENCE {
            ospfv3AreaLsdbAreaId
                    AreaID,
            ospfv3AreaLsdbType
                    Unsigned32,
            ospfv3AreaLsdbRouterId
                    RouterID,
            ospfv3AreaLsdbLsid
                    IpAddress,
            ospfv3AreaLsdbSequence
                    Integer32,
            ospfv3AreaLsdbAge
                    Integer32,
            ospfv3AreaLsdbChecksum
                    Integer32,

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            ospfv3AreaLsdbAdvertisement
                    OCTET STRING,
            ospfv3AreaLsdbTypeKnown
                    TruthValue
            }

    ospfv3AreaLsdbAreaId OBJECT-TYPE
            SYNTAX          AreaID
            MAX-ACCESS      not-accessible
            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"
            ::= { ospfv3AreaLsdbEntry 1 }

    ospfv3AreaLsdbType OBJECT-TYPE
            SYNTAX          Unsigned32(0..'FFFFFFFF'h)
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
                "The type  of  the  link  state  advertisement.
                Each  link state type has a separate advertise-
                ment format. Area-Scope LSAs unrecognized by the
                router are also stored in this database."
            ::= { ospfv3AreaLsdbEntry 2 }

    ospfv3AreaLsdbRouterId OBJECT-TYPE
            SYNTAX          RouterID
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
                "The 32 bit number that uniquely identifies the
                originating router in the Autonomous System."
            REFERENCE
                "OSPF Version 2, Appendix C.1 Global parameters"
            ::= { ospfv3AreaLsdbEntry 3 }

    ospfv3AreaLsdbLsid OBJECT-TYPE
            SYNTAX          IpAddress
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
                "The Link State ID is an LS Type Specific field
                containing a unique identifier;
                it identifies the piece of the  routing  domain
                that is being described by the advertisement.
                In contrast to OSPFv2, the LSID has no
                addressing semantics."
            ::= { ospfv3AreaLsdbEntry 4 }

    -- Note that the OSPF Sequence Number is a 32 bit signed

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    -- 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.

    ospfv3AreaLsdbSequence OBJECT-TYPE
            SYNTAX          Integer32
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "The sequence number field is a  signed  32-bit
                integer.   It  is used to detect old and dupli-
                cate 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"
            ::= { ospfv3AreaLsdbEntry 5 }

    ospfv3AreaLsdbAge OBJECT-TYPE
            SYNTAX          Integer32 -- Should be 0..MaxAge
                                      -- unless DoNotAge bit is set
            UNITS           "seconds"
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "This field is the age of the link state adver-
                tisement in seconds."
            REFERENCE
                "OSPF Version 2, Section 12.1.1 LS age"
            ::= { ospfv3AreaLsdbEntry 6 }

    ospfv3AreaLsdbChecksum 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 connec-
                tionless datagrams; it is commonly referred  to
                as the Fletcher checksum."
            REFERENCE
                "OSPF Version 2, Section 12.1.7 LS checksum"
            ::= { ospfv3AreaLsdbEntry 7 }

    ospfv3AreaLsdbAdvertisement OBJECT-TYPE
            SYNTAX          OCTET STRING (SIZE (1..65535))
            MAX-ACCESS      read-only

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            STATUS          current
            DESCRIPTION
                "The entire Link State Advertisement, including
                its header."
            ::= { ospfv3AreaLsdbEntry 8 }

    ospfv3AreaLsdbTypeKnown OBJECT-TYPE
            SYNTAX          TruthValue
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "Is the LSA type recognized by this Router?"
            ::= { ospfv3AreaLsdbEntry 9 }

    -- OSPFv3 Link-Scope Link State Database

    -- The Link State Database contains the Link-Scope Link State
    -- Advertisements from the links that the
    -- device is attached to.

    ospfv3LinkLsdbTable OBJECT-TYPE
            SYNTAX          SEQUENCE OF Ospfv3LinkLsdbEntry
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
                "The OSPFv3 Process's Link-Scope Link State Database."
            ::= { ospfv3Objects 5 }

    ospfv3LinkLsdbEntry OBJECT-TYPE
            SYNTAX          Ospfv3LinkLsdbEntry
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
                "A single Link-Scope Link State Advertisement."
            INDEX           { ospfv3LinkLsdbIfIndex,
                              ospfv3LinkLsdbType,
                              ospfv3LinkLsdbRouterId,
                              ospfv3LinkLsdbLsid }
            ::= { ospfv3LinkLsdbTable 1 }

    Ospfv3LinkLsdbEntry ::= SEQUENCE {
            ospfv3LinkLsdbIfIndex
                    InterfaceIndex,
            ospfv3LinkLsdbType
                    Unsigned32,
            ospfv3LinkLsdbRouterId
                    RouterID,
            ospfv3LinkLsdbLsid
                    IpAddress,
            ospfv3LinkLsdbSequence
                    Integer32,
            ospfv3LinkLsdbAge
                    Integer32,

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            ospfv3LinkLsdbChecksum
                    Integer32,
            ospfv3LinkLsdbAdvertisement
                    OCTET STRING,
            ospfv3LinkLsdbTypeKnown
                    TruthValue
            }

    ospfv3LinkLsdbIfIndex OBJECT-TYPE
            SYNTAX         InterfaceIndex
            MAX-ACCESS     not-accessible
            STATUS         current
            DESCRIPTION
                "The identifier of the link from which the LSA
                was received."
            REFERENCE
                "OSPF Version 2, Appendix C.2 Area parameters"
            ::= { ospfv3LinkLsdbEntry 1 }

    ospfv3LinkLsdbType OBJECT-TYPE
            SYNTAX          Unsigned32(0..'FFFFFFFF'h)
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
                "The type of the link state advertisement.
                Each link state type has a separate advertise-
                ment format. Link-Scope LSAs unrecognized by the
                router are also stored in this database."
            ::= { ospfv3LinkLsdbEntry 2 }

    ospfv3LinkLsdbRouterId OBJECT-TYPE
            SYNTAX          RouterID
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
                "The 32 bit number that uniquely identifies the
                originating router in the Autonomous System."
            REFERENCE
                "OSPF Version 2, Appendix C.1 Global parameters"
            ::= { ospfv3LinkLsdbEntry 3 }

    ospfv3LinkLsdbLsid OBJECT-TYPE
            SYNTAX        IpAddress
            MAX-ACCESS    not-accessible
            STATUS        current
            DESCRIPTION
                "The Link State ID is an LS Type Specific field
                containing a unique identifier;
                it identifies the piece of the  routing  domain
                that is being described by the advertisement.
                In contrast to OSPFv2, the LSID has no
                addressing semantics."
            ::= { ospfv3LinkLsdbEntry 4 }

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    -- Note that the OSPF Sequence Number is a 32 bit signed
    -- 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.

    ospfv3LinkLsdbSequence OBJECT-TYPE
            SYNTAX          Integer32
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "The sequence number field is a  signed  32-bit
                integer.   It  is used to detect old and dupli-
                cate 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"
            ::= { ospfv3LinkLsdbEntry 5 }

    ospfv3LinkLsdbAge OBJECT-TYPE
            SYNTAX          Integer32 -- Should be 0..MaxAge
                                      -- unless DoNotAge bit is set
            UNITS           "seconds"
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "This field is the age of the link state adver-
                tisement in seconds."
            REFERENCE
                "OSPF Version 2, Section 12.1.1 LS age"
            ::= { ospfv3LinkLsdbEntry 6 }

    ospfv3LinkLsdbChecksum 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 connec-
                tionless datagrams; it is commonly referred  to
                as the Fletcher checksum."
            REFERENCE
                "OSPF Version 2, Section 12.1.7 LS checksum"
            ::= { ospfv3LinkLsdbEntry 7 }

    ospfv3LinkLsdbAdvertisement OBJECT-TYPE

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            SYNTAX          OCTET STRING (SIZE (1..65535))
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "The entire Link State Advertisement, including
                its header."
            ::= { ospfv3LinkLsdbEntry 8 }

    ospfv3LinkLsdbTypeKnown OBJECT-TYPE
            SYNTAX          TruthValue
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "Is the LSA type recognized by this Router?"
            ::= { ospfv3LinkLsdbEntry 9 }


    -- OSPF Host Table

    -- The Host/Metric Table indicates what hosts are directly
    -- attached to the Router, and what metrics and types of
    -- service should be advertised for them.

    ospfv3HostTable OBJECT-TYPE
            SYNTAX          SEQUENCE OF Ospfv3HostEntry
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
                "The list of Hosts, and their metrics, that the
                router will advertise as host routes."
            REFERENCE
                "OSPF Version 2, Appendix C.6  Host route param-
                eters"
            ::= { ospfv3Objects 6 }

    ospfv3HostEntry OBJECT-TYPE
            SYNTAX          Ospfv3HostEntry
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
                "A metric to be advertised when a given host is
                reachable."
            INDEX           { ospfv3HostAddressType,
                              ospfv3HostAddress }
            ::= { ospfv3HostTable 1 }

    Ospfv3HostEntry ::= SEQUENCE {
            ospfv3HostAddressType
                    InetAddressType,
            ospfv3HostAddress
                    InetAddress,
            ospfv3HostMetric
                    Metric,

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            ospfv3HostStatus
                    RowStatus,
            ospfv3HostAreaID
                    AreaID
            }

    ospfv3HostAddressType OBJECT-TYPE
            SYNTAX          InetAddressType
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
                "The address type of ospfv3HostAddress. Only IPv6
                addresses without zone index are expected."
            REFERENCE
                "OSPF Version 2, Appendix C.6 Host route parame-
                ters"
            ::= { ospfv3HostEntry 1 }


    ospfv3HostAddress OBJECT-TYPE
            SYNTAX          InetAddress (SIZE (16))
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
                "The IPv6 Address of the Host. Must be a Global
                 or Site-local address."
            REFERENCE
                "OSPF Version 2, Appendix C.6 Host route parame-
                ters"
            ::= { ospfv3HostEntry 2 }

    ospfv3HostMetric OBJECT-TYPE
            SYNTAX          Metric
            MAX-ACCESS      read-create
            STATUS          current
            DESCRIPTION
                "The Metric to be advertised."
            REFERENCE
                "OSPF Version 2, Appendix C.6 Host route parame-
                ters"
            ::= { ospfv3HostEntry 3 }

    ospfv3HostStatus OBJECT-TYPE
            SYNTAX          RowStatus
            MAX-ACCESS      read-create
            STATUS          current
            DESCRIPTION
                "This variable controls the status of  the  en-
                try. The use of RowStatus is covered in more detail
                in [6]."
            ::= { ospfv3HostEntry 4 }

    ospfv3HostAreaID OBJECT-TYPE

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            SYNTAX          AreaID
            MAX-ACCESS      read-create
            STATUS          current
            DESCRIPTION
                "The Area the Host Entry is to be found within.
                By  default, the area that a subsuming OSPFv3 in-
                terface is in, or 0.0.0.0"
            REFERENCE
                "OSPF Version 2, Appendix C.2 Area parameters"
            ::= { ospfv3HostEntry 5 }

    -- OSPFv3 Interface Table

    ospfv3IfTable OBJECT-TYPE
            SYNTAX          SEQUENCE OF Ospfv3IfEntry
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
                "The OSPFv3 Interface Table describes the  inter-
                faces from the viewpoint of OSPFv3."
            REFERENCE
                "OSPF Version 2, Appendix C.3  Router  interface
                parameters"
            ::= { ospfv3Objects 7 }

    ospfv3IfEntry OBJECT-TYPE
            SYNTAX          Ospfv3IfEntry
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
                "The OSPFv3 Interface Entry describes one  inter-
                face from the viewpoint of OSPFv3."
            INDEX           { ospfv3IfIndex }
            ::= { ospfv3IfTable 1 }


    Ospfv3IfEntry ::= SEQUENCE {
            ospfv3IfIndex
                    InterfaceIndex,
            ospfv3IfAreaId
                    AreaID,
            ospfv3IfType
                    INTEGER,
            ospfv3IfAdminStat
                    Status,
            ospfv3IfRtrPriority
                    DesignatedRouterPriority,
            ospfv3IfTransitDelay
                    UpToRefreshInterval,
            ospfv3IfRetransInterval
                    UpToRefreshInterval,
            ospfv3IfHelloInterval
                    HelloRange,

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            ospfv3IfRtrDeadInterval
                    Unsigned32,
            ospfv3IfPollInterval
                    Unsigned32,
            ospfv3IfState
                    INTEGER,
            ospfv3IfDesignatedRouter
                    RouterID,
            ospfv3IfBackupDesignatedRouter
                    RouterID,
            ospfv3IfEvents
                    Counter32,
            ospfv3IfStatus
                    RowStatus,
            ospfv3IfMulticastForwarding
                    INTEGER,
            ospfv3IfDemand
                    TruthValue,
            ospfv3IfMetricValue
                    Metric,
            ospfv3IfLinkScopeLsaCount
                    Gauge32,
            ospfv3IfLinkLsaCksumSum
                    Integer32,
            ospfv3IfInstId
                    Integer32,
            ospfv3IfDemandNbrProbe
                    TruthValue,
            ospfv3IfDemandNbrProbeRetxLimit
                    Unsigned32,
            ospfv3IfDemandNbrProbeInterval
                    Unsigned32
            }

    ospfv3IfIndex OBJECT-TYPE
            SYNTAX          InterfaceIndex
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
                "The interface index of this OSPFv3 interface.
                 It corresponds to the interface index of the
                 IPv6 interface on which OSPFv3 is configured."
            ::= { ospfv3IfEntry 1 }

    ospfv3IfAreaId OBJECT-TYPE
            SYNTAX          AreaID
            MAX-ACCESS      read-create
            STATUS          current
            DESCRIPTION
                "A 32-bit integer uniquely identifying the area
                to  which  the  interface  connects.   Area  ID
                0.0.0.0 is used for the OSPFv3 backbone."
            DEFVAL          { '00000000'H } -- 0.0.0.0

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            ::= { ospfv3IfEntry 2 }

    ospfv3IfType OBJECT-TYPE
            SYNTAX          INTEGER {
                            broadcast(1),
                            nbma(2),
                            pointToPoint(3),
                            pointToMultipoint(5)
                            }
            MAX-ACCESS      read-create
            STATUS          current
            DESCRIPTION
                "The OSPFv3 interface type."
            ::= { ospfv3IfEntry 3 }

    ospfv3IfAdminStat OBJECT-TYPE
            SYNTAX          Status
            MAX-ACCESS      read-create
            STATUS          current
            DESCRIPTION
                "The OSPFv3 interface's  administrative  status.
                The  value formed on the interface, and the in-
                terface will be advertised as an internal route
                to  some  area.   The  value 'disabled' denotes
                that the interface is external to OSPFv3."
            DEFVAL          { enabled }
            ::= { ospfv3IfEntry 4 }

    ospfv3IfRtrPriority OBJECT-TYPE
            SYNTAX          DesignatedRouterPriority
            MAX-ACCESS      read-create
            STATUS          current
            DESCRIPTION
                "The  priority  of  this  interface.   Used  in
                multi-access  networks,  this  field is used in
                the designated router election algorithm.   The
                value 0 signifies that the router is not eligi-
                ble to become the  designated  router  on  this
                particular  network.   In the event of a tie in
                this value, routers will use their Router ID as
                a tie breaker."
            DEFVAL          { 1 }
            ::= { ospfv3IfEntry 5 }

    ospfv3IfTransitDelay OBJECT-TYPE
            SYNTAX          UpToRefreshInterval
            UNITS           "seconds"
            MAX-ACCESS      read-create
            STATUS          current
            DESCRIPTION
                "The estimated number of seconds  it  takes  to
                transmit  a  link state update packet over this
                interface."

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            DEFVAL          { 1 }
            ::= { ospfv3IfEntry 6 }

    ospfv3IfRetransInterval OBJECT-TYPE
            SYNTAX          UpToRefreshInterval
            UNITS           "seconds"
            MAX-ACCESS      read-create
            STATUS          current
            DESCRIPTION
                "The number of seconds between  link-state  ad-
                vertisement  retransmissions,  for  adjacencies
                belonging to this  interface.   This  value  is
                also used when retransmitting database descrip-
                tion and link-state request packets."
            DEFVAL          { 5 }
            ::= { ospfv3IfEntry 7 }

    ospfv3IfHelloInterval OBJECT-TYPE
            SYNTAX          HelloRange
            UNITS           "seconds"
            MAX-ACCESS      read-create
            STATUS          current
            DESCRIPTION
                "The length of time, in  seconds,  between  the
                Hello  packets that the router sends on the in-
                terface.  This value must be the same  for  all
                routers attached to a common network."
            DEFVAL          { 10 }
            ::= { ospfv3IfEntry 8 }

    ospfv3IfRtrDeadInterval OBJECT-TYPE
            SYNTAX          Unsigned32
            UNITS           "seconds"
            MAX-ACCESS      read-create
            STATUS          current
            DESCRIPTION
                "The number of seconds that  a  router's  Hello
                packets  have  not been seen before it's neigh-
                bors declare the router down.  This  should  be
                some  multiple  of  the  Hello  interval.  This
                value must be the same for all routers attached
                to a common network."
            DEFVAL          { 40 }
            ::= { ospfv3IfEntry 9 }

    ospfv3IfPollInterval OBJECT-TYPE
            SYNTAX          Unsigned32
            UNITS           "seconds"
            MAX-ACCESS      read-create
            STATUS          current
            DESCRIPTION
                "The larger time interval, in seconds,  between
                the  Hello  packets  sent  to  an inactive non-

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                broadcast multi- access neighbor."
            DEFVAL          { 120 }
            ::= { ospfv3IfEntry 10 }

    ospfv3IfState OBJECT-TYPE
            SYNTAX          INTEGER {
                            down(1),
                            loopback(2),
                            waiting(3),
                            pointToPoint(4),
                            designatedRouter(5),
                            backupDesignatedRouter(6),
                            otherDesignatedRouter(7)
                            }
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "The OSPFv3 Interface State."
            ::= { ospfv3IfEntry 11 }

    ospfv3IfDesignatedRouter OBJECT-TYPE
            SYNTAX          RouterID
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "The Router ID of the Designated Router."
            ::= { ospfv3IfEntry 12 }

    ospfv3IfBackupDesignatedRouter OBJECT-TYPE
            SYNTAX          RouterID
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "The  Router ID of  the  Backup   Designated
                Router."
            ::= { ospfv3IfEntry 14 }

    ospfv3IfEvents OBJECT-TYPE
            SYNTAX          Counter32
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "The number of times this  OSPF  interface  has
                changed its state, or an error has occurred."
            ::= { ospfv3IfEntry 15 }

     ospfv3IfStatus OBJECT-TYPE
            SYNTAX          RowStatus
            MAX-ACCESS      read-create
            STATUS          current
            DESCRIPTION
                "This variable controls the status of  the  en-
                try. The use of RowStatus is covered in more detail in

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                [6]."
            ::= { ospfv3IfEntry 17 }

    ospfv3IfMulticastForwarding OBJECT-TYPE
            SYNTAX          INTEGER {
                            blocked(1),   -- no multicast forwarding
                            multicast(2), -- using multicast address
                            unicast(3)    -- to each OSPFv3 neighbor
                            }
            MAX-ACCESS      read-create
            STATUS          current
            DESCRIPTION
                "The way multicasts should  forwarded  on  this
                interface;  not  forwarded,  forwarded  as data
                link multicasts, or forwarded as data link uni-
                casts.   Data link multicasting is not meaning-
                ful on point to point and NBMA interfaces,  and
                setting ospfv3MulticastForwarding to 0 effective-
                ly disables all multicast forwarding."
            DEFVAL { blocked }
            ::= { ospfv3IfEntry 18 }

    ospfv3IfDemand OBJECT-TYPE
            SYNTAX          TruthValue
            MAX-ACCESS      read-create
            STATUS          current
            DESCRIPTION
                "Indicates whether Demand OSPFv3 procedures (hel-
                lo suppression to FULL neighbors and setting the
                DoNotAge flag on propagated LSAs) should be per-
                formed on this interface."
            DEFVAL { false }
            ::= { ospfv3IfEntry 19 }

    ospfv3IfMetricValue OBJECT-TYPE
            SYNTAX          Metric
            MAX-ACCESS      read-create
            STATUS          current
            DESCRIPTION
                "The metric assigned to this interface.
                 The default value of the Metric is
                Reference Bandwidth / ifSpeed. The value of the
                reference bandwidth is configured by the
                ospfv3ReferenceBandwidth object."
            ::= { ospfv3IfEntry 20 }

     ospfv3IfLinkScopeLsaCount OBJECT-TYPE
            SYNTAX          Gauge32
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "The total number of Link-Scope link-state
                advertisements in  this  link's link-state database."

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            ::= { ospfv3IfEntry 21 }

     ospfv3IfLinkLsaCksumSum OBJECT-TYPE
            SYNTAX          Integer32
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "The 32-bit unsigned sum of the Link-Scope link-state
                advertisements'  LS  checksums  contained in this
                link's link-state database.  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."
            ::= { ospfv3IfEntry 22 }

    ospfv3IfInstId OBJECT-TYPE
            SYNTAX          Integer32
            MAX-ACCESS      read-create
            STATUS          current
            DESCRIPTION
                "Enables multiple instances of OSPFv3 to be run over
                a single link. Each protocol instance would be assigned
                a separate ID. This ID has local link significance
                only."
            DEFVAL          { 0 }
            ::= { ospfv3IfEntry 23 }

    ospfv3IfDemandNbrProbe OBJECT-TYPE
            SYNTAX          TruthValue
            MAX-ACCESS      read-create
            STATUS          current
            DESCRIPTION
                   " Indicates whether or not neighbor probing is
                     enabled to determine whether or not the neighbor
                     is inactive. Neighbor probing is disabled by
                     default."
            DEFVAL { false }
            ::= { ospfv3IfEntry 24 }

   ospfv3IfDemandNbrProbeRetxLimit OBJECT-TYPE
           SYNTAX       Unsigned32
           UNITS        "seconds"
           MAX-ACCESS   read-create
           STATUS       current
           DESCRIPTION
              " The number of consecutive LSA retransmissions before
                the neighbor is deemed inactive and the neighbor
                adjacency is brought down."
           DEFVAL          { 10 }
           ::= { ospfv3IfEntry 25 }


   ospfv3IfDemandNbrProbeInterval OBJECT-TYPE

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           SYNTAX       Unsigned32
           UNITS        "seconds"
           MAX-ACCESS   read-create
           STATUS       current
           DESCRIPTION
              " Defines how often the neighbor will be probed."
           DEFVAL          { 120 }
           ::= { ospfv3IfEntry 26 }


    -- OSPFv3 Virtual Interface Table

    -- The Virtual Interface Table describes the virtual
    -- links that the OSPFv3 Process is configured to
    -- carry on.

    ospfv3VirtIfTable OBJECT-TYPE
            SYNTAX          SEQUENCE OF Ospfv3VirtIfEntry
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
                "Information about this router's virtual inter-
                faces."
            REFERENCE
                "OSPF Version  2,  Appendix  C.4   Virtual  link
                parameters"
            ::= { ospfv3Objects 8 }

    ospfv3VirtIfEntry OBJECT-TYPE
            SYNTAX          Ospfv3VirtIfEntry
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
                "Information about a single Virtual Interface."
            INDEX           { ospfv3VirtIfAreaId,
                              ospfv3VirtIfNeighbor }
            ::= { ospfv3VirtIfTable 1 }

    Ospfv3VirtIfEntry ::= SEQUENCE {
            ospfv3VirtIfAreaId
                    AreaID,
            ospfv3VirtIfNeighbor
                    RouterID,
            ospfv3VirtIfIndex
                    InterfaceIndex,
            ospfv3VirtIfTransitDelay
                    UpToRefreshInterval,
            ospfv3VirtIfRetransInterval
                    UpToRefreshInterval,
            ospfv3VirtIfHelloInterval
                    HelloRange,
            ospfv3VirtIfRtrDeadInterval
                    Unsigned32,

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            ospfv3VirtIfState
                    INTEGER,
            ospfv3VirtIfEvents
                    Counter32,
            ospfv3VirtIfStatus
                    RowStatus,
            ospfv3VirtIfLinkScopeLsaCount
                    Gauge32,
            ospfv3VirtIfLinkLsaCksumSum
                       Integer32
            }

    ospfv3VirtIfAreaId OBJECT-TYPE
            SYNTAX          AreaID
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
                "The  Transit  Area  that  the   Virtual   Link
                traverses.  By definition, this is not 0.0.0.0"
            ::= { ospfv3VirtIfEntry 1 }

    ospfv3VirtIfNeighbor OBJECT-TYPE
            SYNTAX          RouterID
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
                "The Router ID of the Virtual Neighbor."
            ::= { ospfv3VirtIfEntry 2 }

    ospfv3VirtIfIndex OBJECT-TYPE
            SYNTAX          InterfaceIndex
            MAX-ACCESS      read-create
            STATUS          current
            DESCRIPTION
                "The interface ID assigned to this OSPFv3 virtual
                interface. It is advertised in Hello's sent over
                the virtal link and in the router's router-LSAs."
            ::= { ospfv3VirtIfEntry 3 }

    ospfv3VirtIfTransitDelay OBJECT-TYPE
            SYNTAX          UpToRefreshInterval
            UNITS           "seconds"
            MAX-ACCESS      read-create
            STATUS          current
            DESCRIPTION
                "The estimated number of seconds  it  takes  to
                transmit  a link- state update packet over this
                interface."
            DEFVAL          { 1 }
            ::= { ospfv3VirtIfEntry 4 }

    ospfv3VirtIfRetransInterval OBJECT-TYPE
            SYNTAX          UpToRefreshInterval

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            UNITS           "seconds"
            MAX-ACCESS      read-create
            STATUS          current
            DESCRIPTION
                "The number of seconds between  link-state  ad-
                vertisement  retransmissions,  for  adjacencies
                belonging to this  interface.   This  value  is
                also used when retransmitting database descrip-
                tion  and  link-state  request  packets.   This
                value  should  be well over the expected round-
                trip time."
            DEFVAL          { 5 }
            ::= { ospfv3VirtIfEntry 5 }

    ospfv3VirtIfHelloInterval OBJECT-TYPE
            SYNTAX          HelloRange
            UNITS           "seconds"
            MAX-ACCESS      read-create
            STATUS          current
            DESCRIPTION
                "The length of time, in  seconds,  between  the
                Hello  packets that the router sends on the in-
                terface.  This value must be the same  for  the
                virtual neighbor."
            DEFVAL          { 10 }
            ::= { ospfv3VirtIfEntry 6 }

    ospfv3VirtIfRtrDeadInterval OBJECT-TYPE
            SYNTAX          Unsigned32
            UNITS           "seconds"
            MAX-ACCESS      read-create
            STATUS          current
            DESCRIPTION
                "The number of seconds that  a  router's  Hello
                packets  have  not been seen before it's neigh-
                bors declare the router down.  This  should  be
                some  multiple  of  the  Hello  interval.  This
                value must be the same for the  virtual  neigh-
                bor."
            DEFVAL          { 60 }
            ::= { ospfv3VirtIfEntry 7 }

    ospfv3VirtIfState OBJECT-TYPE
            SYNTAX          INTEGER {
                            down(1), -- these use the same encoding
                            pointToPoint(4) -- as the ospfv3IfTable
                            }
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "OSPF virtual interface states."
            ::= { ospfv3VirtIfEntry 8 }


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    ospfv3VirtIfEvents OBJECT-TYPE
            SYNTAX          Counter32
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "The number of state changes or error events on
                this Virtual Link"
            ::= { ospfv3VirtIfEntry 9 }

    ospfv3VirtIfStatus OBJECT-TYPE
            SYNTAX          RowStatus
            MAX-ACCESS      read-create
            STATUS          current
            DESCRIPTION
                "This variable controls the status of  the  en-
                try. The use of RowStatus is covered in more detail
                in [6]."
            ::= { ospfv3VirtIfEntry 10 }

    ospfv3VirtIfLinkScopeLsaCount OBJECT-TYPE
            SYNTAX          Gauge32
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "The total number of Link-Scope link-state
                advertisements in  this  virtual link's link-state
                database."
            ::= { ospfv3VirtIfEntry 11 }

    ospfv3VirtIfLinkLsaCksumSum OBJECT-TYPE
            SYNTAX          Integer32
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "The 32-bit unsigned sum of the Link-Scope link-state
                advertisements'  LS  checksums  contained in this
                virtual link's link-state database.  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."
            ::= { ospfv3VirtIfEntry 12 }


    -- OSPFv3 Neighbor Table

    -- The OSPFv3 Neighbor Table describes all neighbors in
    -- the locality of the subject router.

    ospfv3NbrTable OBJECT-TYPE
            SYNTAX          SEQUENCE OF Ospfv3NbrEntry
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION

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                "A table of non-virtual neighbor information."
            REFERENCE
                "OSPF Version 2, Section 10  The  Neighbor  Data
                Structure"
            ::= { ospfv3Objects 9 }

    ospfv3NbrEntry OBJECT-TYPE
            SYNTAX          Ospfv3NbrEntry
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
                "The information regarding a single neighbor."
            REFERENCE
                "OSPF Version 2, Section 10  The  Neighbor  Data
                Structure"
            INDEX           { ospfv3NbrIfIndex,
                              ospfv3NbrRtrId }
            ::= { ospfv3NbrTable 1 }

    Ospfv3NbrEntry ::= SEQUENCE {
            ospfv3NbrIfIndex
                    InterfaceIndex,
            ospfv3NbrRtrId
                    RouterID,
            ospfv3NbrAddressType
                    InetAddressType,
            ospfv3NbrAddress
                    InetAddress,
            ospfv3NbrOptions
                    Integer32,
            ospfv3NbrPriority
                    DesignatedRouterPriority,
            ospfv3NbrState
                    INTEGER,
            ospfv3NbrEvents
                    Counter32,
            ospfv3NbrLsRetransQLen
                    Gauge32,
            ospfv3NbrHelloSuppressed
                    TruthValue,
            ospfv3NbrIfId
                    InterfaceIndex,
            ospfv3NbrRestartHelperStatus
                    INTEGER,
            ospfv3NbrRestartHelperAge
                    UpToRefreshInterval,
            ospfv3NbrRestartHelperExitReason
                    INTEGER
            }

    ospfv3NbrIfIndex OBJECT-TYPE
            SYNTAX          InterfaceIndex
            MAX-ACCESS      not-accessible

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            STATUS          current
            DESCRIPTION
                "The local link ID of the link over which the
                 neighbor can be reached."
            ::= { ospfv3NbrEntry 1 }

    ospfv3NbrRtrId OBJECT-TYPE
            SYNTAX          RouterID
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
                "A 32-bit integer (represented as a type  IpAd-
                dress)  uniquely  identifying  the  neighboring
                router in the Autonomous System."
            ::= { ospfv3NbrEntry 2 }

    ospfv3NbrAddressType OBJECT-TYPE
            SYNTAX          InetAddressType
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "The address type of ospfv3NbrAddress. Only IPv6
                addresses without zone index are expected."
            ::= { ospfv3NbrEntry 3 }

    ospfv3NbrAddress OBJECT-TYPE
            SYNTAX          InetAddress (SIZE (16))
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "The IPv6 address of the neighbor associated with
                the local link."
            ::= { ospfv3NbrEntry 4 }

    ospfv3NbrOptions OBJECT-TYPE
            SYNTAX          Integer32
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "A Bit Mask corresponding to the neighbor's op-
                tions field."
            REFERENCE
                "OSPF Version 3, Appendix A.2 the Options field"
            ::= { ospfv3NbrEntry 5 }

    ospfv3NbrPriority OBJECT-TYPE
            SYNTAX          DesignatedRouterPriority
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "The priority of this neighbor in the designat-
                ed router election algorithm.  The value 0 sig-
                nifies that the neighbor is not eligible to be-

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                come  the  designated router on this particular
                network."
            ::= { ospfv3NbrEntry 6 }

    ospfv3NbrState OBJECT-TYPE
            SYNTAX          INTEGER {
                            down(1),
                            attempt(2),
                            init(3),
                            twoWay(4),
                            exchangeStart(5),
                            exchange(6),
                            loading(7),
                            full(8)
                            }
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "The State of the relationship with this Neigh-
                bor."
            REFERENCE
                "OSPF Version 2, Section 10.1 Neighbor States"
            ::= { ospfv3NbrEntry 7 }

    ospfv3NbrEvents OBJECT-TYPE
            SYNTAX          Counter32
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "The number of times this neighbor relationship
                has changed state, or an error has occurred."
            ::= { ospfv3NbrEntry 8 }

    ospfv3NbrLsRetransQLen OBJECT-TYPE
            SYNTAX          Gauge32
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "The  current  length  of  the   retransmission
                queue."
            ::= { ospfv3NbrEntry 9 }

    ospfv3NbrHelloSuppressed OBJECT-TYPE
            SYNTAX          TruthValue
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "Indicates whether Hellos are being  suppressed
                to the neighbor"
            ::= { ospfv3NbrEntry 10 }

    ospfv3NbrIfId OBJECT-TYPE
            SYNTAX          InterfaceIndex

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            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "The interface ID that the neighbor advertises
                in its Hello Packets on this link, that is, the
                neighbor's local interface index."
            ::= { ospfv3NbrEntry 11 }

    ospfv3NbrRestartHelperStatus OBJECT-TYPE
           SYNTAX       INTEGER { notHelping (1),
                                  helping (2)
                                }
           MAX-ACCESS   read-only
           STATUS       current
           DESCRIPTION
              "Indicates whether the router is acting
              as a hitless restart helper for the neighbor."
              ::= { ospfv3NbrEntry 12 }

    ospfv3NbrRestartHelperAge OBJECT-TYPE
           SYNTAX       UpToRefreshInterval
           UNITS        "seconds"
           MAX-ACCESS   read-only
           STATUS       current
           DESCRIPTION
              "Remaining time in current OSPF hitless restart
              interval, if the router is acting as a restart
              helper for the neighbor."
           ::= { ospfv3NbrEntry 13 }

    ospfv3NbrRestartHelperExitReason OBJECT-TYPE
           SYNTAX       INTEGER { none (1),           -- not 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 acting
               as a hitless restart helper for the neighbor."
        ::= { ospfv3NbrEntry 14 }


    -- OSPFv3 NBMA Neighbor Table

    -- The OSPFv3 NBMA Neighbor Table describes all configured
    -- NBMA neighbors and neighbors dynamically discovered by

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    -- lower-level protocols such as Inverse Neighbor Discovery.

    ospfv3NbmaNbrTable OBJECT-TYPE
            SYNTAX          SEQUENCE OF Ospfv3NbmaNbrEntry
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
                "A table of configured non-virtual neighbor
                information and neighbors dynamically discovered
                by lower-level protocols such as Inverse Neighbor
                Discovery."
            REFERENCE
                "OSPF Version 2, Section 10  The  Neighbor  Data
                Structure"
            ::= { ospfv3Objects 10 }

    ospfv3NbmaNbrEntry OBJECT-TYPE
            SYNTAX          Ospfv3NbmaNbrEntry
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
                "The information regarding a single configured
                neighbor or neighbor discovered by lower-level
                protocols such as Inverse Neighbor Discovery."
            REFERENCE
                "OSPF Version 2, Section 10  The  Neighbor  Data
                Structure"
            INDEX           { ospfv3NbmaNbrIfIndex,
                              ospfv3NbmaNbrAddressType,
                              ospfv3NbmaNbrAddress }
            ::= { ospfv3NbmaNbrTable 1 }

    Ospfv3NbmaNbrEntry ::= SEQUENCE {
            ospfv3NbmaNbrIfIndex
                    InterfaceIndex,
            ospfv3NbmaNbrAddressType
                    InetAddressType,
            ospfv3NbmaNbrAddress
                    InetAddress,
            ospfv3NbmaNbrPriority
                    DesignatedRouterPriority,
            ospfv3NbmaNbrRtrId
                    RouterID,
            ospfv3NbmaNbrState
                    INTEGER,
            ospfv3NbmaNbrStorageType
                    StorageType,
            ospfv3NbmaNbrStatus
                    RowStatus
            }

    ospfv3NbmaNbrIfIndex OBJECT-TYPE
            SYNTAX          InterfaceIndex

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            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
                "The local link ID of the link over which the
                 neighbor can be reached."
            ::= { ospfv3NbmaNbrEntry 1 }

    ospfv3NbmaNbrAddressType OBJECT-TYPE
            SYNTAX          InetAddressType
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
                "The address type of ospfv3NbrAddress. Only IPv6
                addresses without zone index are expected."
            ::= { ospfv3NbmaNbrEntry 2 }

    ospfv3NbmaNbrAddress OBJECT-TYPE
            SYNTAX          InetAddress (SIZE (16))
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
                "The IPv6 address of the neighbor associated with
                the local link."
            ::= { ospfv3NbmaNbrEntry 3 }

    ospfv3NbmaNbrPriority OBJECT-TYPE
            SYNTAX          DesignatedRouterPriority
            MAX-ACCESS      read-create
            STATUS          current
            DESCRIPTION
                "The priority of this neighbor in the designat-
                ed router election algorithm. The value 0 sig-
                nifies that the neighbor is not eligible to be-
                come  the  designated router on this particular
                network."
            DEFVAL          { 1 }
            ::= { ospfv3NbmaNbrEntry 4 }

    ospfv3NbmaNbrRtrId OBJECT-TYPE
            SYNTAX          RouterID
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "A 32-bit integer (represented as a type IpAd-
                dress) uniquely identifying the neighboring
                router in the Autonomous System. A value of
                0.0.0.0 is returned until a Hello is received
                from the configured neighbor."
            ::= { ospfv3NbmaNbrEntry 5 }

    ospfv3NbmaNbrState OBJECT-TYPE
            SYNTAX          INTEGER {
                            down(1),

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                            attempt(2),
                            init(3),
                            twoWay(4),
                            exchangeStart(5),
                            exchange(6),
                            loading(7),
                            full(8)
                            }
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "The State of the relationship with this Neigh-
                bor."
            REFERENCE
                "OSPF Version 2, Section 10.1 Neighbor States"
            ::= { ospfv3NbmaNbrEntry 6 }

    ospfv3NbmaNbrStorageType OBJECT-TYPE
            SYNTAX          StorageType
            MAX-ACCESS      read-create
            STATUS          current
            DESCRIPTION
                "The storage type for this conceptual row.
                Conceptual rows having the value 'permanent' need not
                allow write-access to any columnar objects in the row.
                Manually configured entries will have a storage type
                of nonVolatile while entries dynamically created as a
                result of a lower-level protocol such as Inverse
                Neighbor Discovery will have a storage type of
                volatile."
            DEFVAL          { nonVolatile }
            ::= { ospfv3NbmaNbrEntry 7 }

    ospfv3NbmaNbrStatus OBJECT-TYPE
            SYNTAX          RowStatus
            MAX-ACCESS      read-create
            STATUS          current
            DESCRIPTION
                "This variable controls the status of the en-
                try. The use of RowStatus is covered in more detail
                in [6]."
            ::= { ospfv3NbmaNbrEntry 8 }

    -- OSPFv3 Virtual Neighbor Table

    -- This table describes all virtual neighbors.
    -- Since Virtual Links are configured in the
    -- virtual interface table, this table is read-only.

    ospfv3VirtNbrTable OBJECT-TYPE
            SYNTAX          SEQUENCE OF Ospfv3VirtNbrEntry
            MAX-ACCESS      not-accessible
            STATUS          current

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            DESCRIPTION
                "A table of virtual neighbor information."
            REFERENCE
                "OSPF Version 2, Section 15 Virtual Links"
            ::= { ospfv3Objects 11 }

    ospfv3VirtNbrEntry OBJECT-TYPE
            SYNTAX          Ospfv3VirtNbrEntry
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
                "Virtual neighbor information."
            INDEX           { ospfv3VirtNbrArea,
                              ospfv3VirtNbrRtrId }
            ::= { ospfv3VirtNbrTable 1 }

    Ospfv3VirtNbrEntry ::= SEQUENCE {
            ospfv3VirtNbrArea
                    AreaID,
            ospfv3VirtNbrRtrId
                    RouterID,
            ospfv3VirtNbrIfIndex
                    InterfaceIndex,
            ospfv3VirtNbrAddressType
                    InetAddressType,
            ospfv3VirtNbrAddress
                    InetAddress,
            ospfv3VirtNbrOptions
                    Integer32,
            ospfv3VirtNbrState
                    INTEGER,
            ospfv3VirtNbrEvents
                    Counter32,
            ospfv3VirtNbrLsRetransQLen
                    Gauge32,
            ospfv3VirtNbrHelloSuppressed
                    TruthValue,
            ospfv3VirtNbrIfId
                    InterfaceIndex,
            ospfv3VirtNbrRestartHelperStatus
                    INTEGER,
            ospfv3VirtNbrRestartHelperAge
                    UpToRefreshInterval,
            ospfv3VirtNbrRestartHelperExitReason
                    INTEGER
            }

    ospfv3VirtNbrArea OBJECT-TYPE
            SYNTAX          AreaID
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
                "The Transit Area Identifier."

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            ::= { ospfv3VirtNbrEntry 1 }

    ospfv3VirtNbrRtrId OBJECT-TYPE
            SYNTAX          RouterID
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
                "A  32-bit  integer  uniquely  identifying  the
                neighboring router in the Autonomous System."
            ::= { ospfv3VirtNbrEntry 2 }

    ospfv3VirtNbrIfIndex OBJECT-TYPE
            SYNTAX          InterfaceIndex
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "The local interface ID for the virtual link over
                which the neighbor can be reached."
            ::= { ospfv3VirtNbrEntry 3 }

    ospfv3VirtNbrAddressType OBJECT-TYPE
            SYNTAX          InetAddressType
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "The address type of ospfv3VirtNbrAddress. Only IPv6
                addresses without zone index are expected."
            ::= { ospfv3VirtNbrEntry 4 }

    ospfv3VirtNbrAddress OBJECT-TYPE
            SYNTAX          InetAddress (SIZE (16))
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "The IPv6 address advertised by this Virtual Neighbor.
                It must be a Site-Local or Global scope address."
            ::= { ospfv3VirtNbrEntry 5 }

    ospfv3VirtNbrOptions OBJECT-TYPE
            SYNTAX          Integer32
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "A Bit Mask corresponding to the neighbor's op-
                tions field."
            REFERENCE
                "OSPF Version 3, Appendix A.2 the Options field"
            ::= { ospfv3VirtNbrEntry 6 }

    ospfv3VirtNbrState OBJECT-TYPE
            SYNTAX          INTEGER {
                            down(1),
                            attempt(2),

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                            init(3),
                            twoWay(4),
                            exchangeStart(5),
                            exchange(6),
                            loading(7),
                            full(8)
                            }
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "The state of the Virtual Neighbor Relation-
                ship."
            ::= { ospfv3VirtNbrEntry 7 }

    ospfv3VirtNbrEvents OBJECT-TYPE
            SYNTAX          Counter32
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "The number of  times  this  virtual  link  has
                changed its state, or an error has occurred."
            ::= { ospfv3VirtNbrEntry 8 }

    ospfv3VirtNbrLsRetransQLen OBJECT-TYPE
            SYNTAX          Gauge32
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "The  current  length  of  the   retransmission
                queue."
            ::= { ospfv3VirtNbrEntry 9 }

    ospfv3VirtNbrHelloSuppressed OBJECT-TYPE
            SYNTAX          TruthValue
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "Indicates whether Hellos are being  suppressed
                to the neighbor"
            ::= { ospfv3VirtNbrEntry 10 }

    ospfv3VirtNbrIfId OBJECT-TYPE
            SYNTAX          InterfaceIndex
            MAX-ACCESS      read-only
            STATUS          current
            DESCRIPTION
                "The interface ID that the neighbor advertises
                in its Hello Packets on this virtual link, that is,
                the neighbor's local interface ID."
            ::= { ospfv3VirtNbrEntry 11 }

   ospfv3VirtNbrRestartHelperStatus OBJECT-TYPE
           SYNTAX       INTEGER { notHelping (1),

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                                  helping (2)
                                }
           MAX-ACCESS   read-only
           STATUS       current
           DESCRIPTION
              "Indicates whether the router is acting
              as a hitless restart helper for the neighbor."
              ::= { ospfv3VirtNbrEntry 12 }

    ospfv3VirtNbrRestartHelperAge OBJECT-TYPE
           SYNTAX       UpToRefreshInterval
           UNITS        "seconds"
           MAX-ACCESS   read-only
           STATUS       current
           DESCRIPTION
              "Remaining time in current OSPF hitless restart
              interval, if the router is acting as a restart
              helper for the neighbor."
           ::= { ospfv3VirtNbrEntry 13 }

    ospfv3VirtNbrRestartHelperExitReason OBJECT-TYPE
           SYNTAX       INTEGER { none (1),           -- not 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 acting
               as a hitless restart helper for the neighbor."
        ::= { ospfv3VirtNbrEntry 14 }


    --
    -- The OSPFv3 Area Aggregate Table
    --

    ospfv3AreaAggregateTable OBJECT-TYPE
            SYNTAX          SEQUENCE OF Ospfv3AreaAggregateEntry
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
                "A range of IPv6 prefixes specified by a
                prefix/prefix length  pair. Note that if
                ranges are configured such that one range sub-
                sumes  another range the most specific match is
                the preferred one."

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            ::= { ospfv3Objects 12 }

    ospfv3AreaAggregateEntry OBJECT-TYPE
            SYNTAX          Ospfv3AreaAggregateEntry
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
                "A range of IPv6 prefixes specified by a
                prefix/prefix length  pair. Note that if
                ranges are configured such that one range sub-
                sumes  another range the most specific match is
                the preferred one."
            REFERENCE
                "OSPF Version 2, Appendix C.2  Area parameters"
            INDEX           { ospfv3AreaAggregateAreaID,
                              ospfv3AreaAggregateAreaLsdbType,
                              ospfv3AreaAggregatePrefixType,
                              ospfv3AreaAggregatePrefix,
                              ospfv3AreaAggregatePrefixLength }
            ::= { ospfv3AreaAggregateTable 1 }

    Ospfv3AreaAggregateEntry ::= SEQUENCE {
            ospfv3AreaAggregateAreaID
                    AreaID,
            ospfv3AreaAggregateAreaLsdbType
                    INTEGER,
            ospfv3AreaAggregatePrefixType
                    InetAddressType,
            ospfv3AreaAggregatePrefix
                    InetAddress,
            ospfv3AreaAggregatePrefixLength
                    InetAddressPrefixLength,
            ospfv3AreaAggregateStatus
                    RowStatus,
            ospfv3AreaAggregateEffect
                    INTEGER,
            ospfv3AreaAggregateRouteTag
                    INTEGER
            }

    ospfv3AreaAggregateAreaID OBJECT-TYPE
            SYNTAX          AreaID
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
                "The Area the Address Aggregate is to be  found
                within."
            REFERENCE
                "OSPF Version 2, Appendix C.2 Area parameters"
            ::= { ospfv3AreaAggregateEntry 1 }

    ospfv3AreaAggregateAreaLsdbType OBJECT-TYPE
            SYNTAX          INTEGER {

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                            interAreaPrefixLsa(8195), -- 0x2003
                            nssaExternalLsa(8199)     -- 0x2007
                            }
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
                "The type of the Address Aggregate.  This field
                specifies  the  Area Lsdb type that this Address Ag-
                gregate applies to."
            REFERENCE
                "OSPF Version 2, Appendix A.4.1 The  Link  State
                Advertisement header"
            ::= { ospfv3AreaAggregateEntry 2 }

    ospfv3AreaAggregatePrefixType OBJECT-TYPE
            SYNTAX          InetAddressType
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
                "The prefix type of ospfv3AreaAggregatePrefix. Only
                IPv6 addresses are expected."
            ::= { ospfv3AreaAggregateEntry 4 }

    ospfv3AreaAggregatePrefix OBJECT-TYPE
            SYNTAX          InetAddress (SIZE (0..16))
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
                "The IPv6 Prefix."
            REFERENCE
                "OSPF Version 2, Appendix C.2 Area parameters"
            ::= { ospfv3AreaAggregateEntry 5 }

    ospfv3AreaAggregatePrefixLength OBJECT-TYPE
            SYNTAX          InetAddressPrefixLength (3..128)
            UNITS           "bits"
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
                "The length of the prefix (in bits). A prefix can
                not be shorter than 3 bits."
            REFERENCE
                "OSPF Version 2, Appendix C.2 Area parameters"
            ::= { ospfv3AreaAggregateEntry 6 }

    ospfv3AreaAggregateStatus OBJECT-TYPE
            SYNTAX          RowStatus
            MAX-ACCESS      read-create
            STATUS          current
            DESCRIPTION
                "This variable controls the status of  the  en-
                try. The use of RowStatus is covered in more detail
                in [6]."

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            ::= { ospfv3AreaAggregateEntry 7 }

    ospfv3AreaAggregateEffect OBJECT-TYPE
            SYNTAX          INTEGER {
                            advertiseMatching(1),
                            doNotAdvertiseMatching(2)
                            }
            MAX-ACCESS      read-create
            STATUS          current
            DESCRIPTION
                "Prefixes subsumed by ranges either trigger  the
                advertisement  of  the indicated aggregate (ad-
                vertiseMatching), or result in the prefix not
                being advertised at all outside the area."
            DEFVAL          { advertiseMatching }
            ::= { ospfv3AreaAggregateEntry 8 }

    ospfv3AreaAggregateRouteTag OBJECT-TYPE
            SYNTAX          Integer32
            MAX-ACCESS      read-create
            STATUS          current
            DESCRIPTION
                "This tag is advertised in the summarized NSSA LSA
                 only"
            DEFVAL         { 0 }
            ::= { ospfv3AreaAggregateEntry 9 }


    -- conformance information

    ospfv3Groups      OBJECT IDENTIFIER ::= { ospfv3Conformance 1 }
    ospfv3Compliances OBJECT IDENTIFIER ::= { ospfv3Conformance 2 }

    -- compliance statements

    ospfv3Compliance MODULE-COMPLIANCE
            STATUS          current
            DESCRIPTION     "The compliance statement "
            MODULE          -- this module
            MANDATORY-GROUPS {
                            ospfv3BasicGroup,
                            ospfv3AreaGroup,
                            ospfv3IfGroup,
                            ospfv3VirtIfGroup,
                            ospfv3NbrGroup,
                            ospfv3NbmaNbrGroup,
                            ospfv3VirtNbrGroup,
                            ospfv3AreaAggregateGroup
                            }

            GROUP           ospfv3AsLsdbGroup
            DESCRIPTION
                "This group is required for OSPFv3 systems that

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                display their AS-scope link state database."

            GROUP           ospfv3AreaLsdbGroup
            DESCRIPTION
                "This group is required for OSPFv3 systems that
                display their Area-scope link state database."

            GROUP           ospfv3LinkLsdbGroup
            DESCRIPTION
                "This group is required for OSPFv3 systems that
                display their Link-scope link state database."

            GROUP           ospfv3HostGroup
            DESCRIPTION
                "This group is required for OSPFv3 systems that
                support attached hosts."

            OBJECT          ospfv3NbrAddressType
            SYNTAX          InetAddressType { ipv6(2) }
            DESCRIPTION
                "An implementation is only required to support IPv6
                address without zone index."

            OBJECT          ospfv3VirtNbrAddressType
            SYNTAX          InetAddressType { ipv6(2) }
            DESCRIPTION
                "An implementation is only required to support IPv6
                address without zone index."

            ::= { ospfv3Compliances 1 }

    -- units of conformance

    ospfv3BasicGroup OBJECT-GROUP
            OBJECTS         {
                            ospfv3RouterId,
                            ospfv3AdminStat,
                            ospfv3VersionNumber,
                            ospfv3AreaBdrRtrStatus,
                            ospfv3ASBdrRtrStatus,
                            ospfv3AsScopeLsaCount,
                            ospfv3AsScopeLsaCksumSum,
                            ospfv3OriginateNewLsas,
                            ospfv3RxNewLsas,
                            ospfv3ExtLsaCount,
                            ospfv3ExtAreaLsdbLimit,
                            ospfv3MulticastExtensions,
                            ospfv3ExitOverflowInterval,
                            ospfv3DemandExtensions,
                            ospfv3TrafficEngineeringSupport,
                            ospfv3ReferenceBandwidth,
                            ospfv3RestartSupport,
                            ospfv3RestartInterval,

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                            ospfv3RestartStatus,
                            ospfv3RestartAge,
                            ospfv3RestartExitReason
                            }
            STATUS          current
            DESCRIPTION
                "These objects are required for OSPFv3 systems."
            ::= { ospfv3Groups 1 }


    ospfv3AreaGroup OBJECT-GROUP
            OBJECTS         {
                            ospfv3ImportAsExtern,
                            ospfv3SpfRuns,
                            ospfv3AreaBdrRtrCount,
                            ospfv3AsBdrRtrCount,
                            ospfv3AreaScopeLsaCount,
                            ospfv3AreaScopeLsaCksumSum,
                            ospfv3AreaSummary,
                            ospfv3AreaStatus,
                            ospfv3StubMetric,
                            ospfv3AreaNssaTranslatorRole,
                            ospfv3AreaNssaTranslatorState,
                            ospfv3AreaNssaTranslatorStabilityInterval,
                            ospfv3AreaNssaTranslatorEvents
                            }
            STATUS          current
            DESCRIPTION
                "These objects are required for OSPFv3 systems
                supporting areas."
            ::= { ospfv3Groups 2 }

    ospfv3AsLsdbGroup OBJECT-GROUP
            OBJECTS         {
                            ospfv3AsLsdbSequence,
                            ospfv3AsLsdbAge,
                            ospfv3AsLsdbChecksum,
                            ospfv3AsLsdbAdvertisement,
                            ospfv3AsLsdbTypeKnown
                            }
            STATUS          current
            DESCRIPTION
                "These objects are required for OSPFv3 systems
                that display their AS-scope link state database."
            ::= { ospfv3Groups 3 }

    ospfv3AreaLsdbGroup OBJECT-GROUP
            OBJECTS         {
                            ospfv3AreaLsdbSequence,
                            ospfv3AreaLsdbAge,
                            ospfv3AreaLsdbChecksum,
                            ospfv3AreaLsdbAdvertisement,
                            ospfv3AreaLsdbTypeKnown

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                            }
            STATUS          current
            DESCRIPTION
                "These objects are required for OSPFv3 systems
                that display their Area-scope link state database."
            ::= { ospfv3Groups 4 }

    ospfv3LinkLsdbGroup OBJECT-GROUP
            OBJECTS         {
                            ospfv3LinkLsdbSequence,
                            ospfv3LinkLsdbAge,
                            ospfv3LinkLsdbChecksum,
                            ospfv3LinkLsdbAdvertisement,
                            ospfv3LinkLsdbTypeKnown
                            }
            STATUS          current
            DESCRIPTION
                "These objects are required for OSPFv3  systems
                that display their Link-scope link state database."
            ::= { ospfv3Groups 5 }

    ospfv3HostGroup OBJECT-GROUP
            OBJECTS         {
                            ospfv3HostMetric,
                            ospfv3HostStatus,
                            ospfv3HostAreaID
                            }
            STATUS          current
            DESCRIPTION
                "These objects are required  for  OSPFv3  systems
                that support attached hosts."
            ::= { ospfv3Groups 6 }

    ospfv3IfGroup OBJECT-GROUP
            OBJECTS         {
                            ospfv3IfAreaId,
                            ospfv3IfType,
                            ospfv3IfAdminStat,
                            ospfv3IfRtrPriority,
                            ospfv3IfTransitDelay,
                            ospfv3IfRetransInterval,
                            ospfv3IfHelloInterval,
                            ospfv3IfRtrDeadInterval,
                            ospfv3IfPollInterval,
                            ospfv3IfState,
                            ospfv3IfDesignatedRouter,
                            ospfv3IfBackupDesignatedRouter,
                            ospfv3IfEvents,
                            ospfv3IfStatus,
                            ospfv3IfMulticastForwarding,
                            ospfv3IfDemand,
                            ospfv3IfMetricValue,
                            ospfv3IfLinkScopeLsaCount,

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                            ospfv3IfLinkLsaCksumSum,
                            ospfv3IfInstId,
                            ospfv3IfDemandNbrProbe,
                            ospfv3IfDemandNbrProbeRetxLimit,
                            ospfv3IfDemandNbrProbeInterval
                            }
            STATUS          current
            DESCRIPTION
                "These interface objects are required for
                OSPFv3 systems."
            ::= { ospfv3Groups 7 }

    ospfv3VirtIfGroup OBJECT-GROUP
            OBJECTS         {
                            ospfv3VirtIfIndex,
                            ospfv3VirtIfTransitDelay,
                            ospfv3VirtIfRetransInterval,
                            ospfv3VirtIfHelloInterval,
                            ospfv3VirtIfRtrDeadInterval,
                            ospfv3VirtIfState,
                            ospfv3VirtIfEvents,
                            ospfv3VirtIfStatus,
                            ospfv3VirtIfLinkScopeLsaCount,
                            ospfv3VirtIfLinkLsaCksumSum
                            }
            STATUS          current
            DESCRIPTION
                "These virtual interface objects are required for
                OSPFv3 systems."
            ::= { ospfv3Groups 8 }

    ospfv3NbrGroup OBJECT-GROUP
            OBJECTS         {
                            ospfv3NbrAddressType,
                            ospfv3NbrAddress,
                            ospfv3NbrOptions,
                            ospfv3NbrPriority,
                            ospfv3NbrState,
                            ospfv3NbrEvents,
                            ospfv3NbrLsRetransQLen,
                            ospfv3NbrHelloSuppressed,
                            ospfv3NbrIfId,
                            ospfv3NbrRestartHelperStatus,
                            ospfv3NbrRestartHelperAge,
                            ospfv3NbrRestartHelperExitReason
                            }
            STATUS          current
            DESCRIPTION
                "These neighbor objects are required for
                OSPFv3 systems."
            ::= { ospfv3Groups 9 }

    ospfv3NbmaNbrGroup OBJECT-GROUP

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            OBJECTS         {
                            ospfv3NbmaNbrPriority,
                            ospfv3NbmaNbrRtrId,
                            ospfv3NbmaNbrState,
                            ospfv3NbmaNbrStorageType,
                            ospfv3NbmaNbrStatus
                            }
            STATUS          current
            DESCRIPTION
                "These NBMA neighbor objects are required for
                OSPFv3 systems."
            ::= { ospfv3Groups 10 }

    ospfv3VirtNbrGroup OBJECT-GROUP
            OBJECTS         {
                            ospfv3VirtNbrIfIndex,
                            ospfv3VirtNbrAddressType,
                            ospfv3VirtNbrAddress,
                            ospfv3VirtNbrOptions,
                            ospfv3VirtNbrState,
                            ospfv3VirtNbrEvents,
                            ospfv3VirtNbrLsRetransQLen,
                            ospfv3VirtNbrHelloSuppressed,
                            ospfv3VirtNbrIfId,
                            ospfv3VirtNbrRestartHelperStatus,
                            ospfv3VirtNbrRestartHelperAge,
                            ospfv3VirtNbrRestartHelperExitReason
                            }
            STATUS          current
            DESCRIPTION
                "These virtual neighbor objects are required for
                OSPFv3 systems."
            ::= { ospfv3Groups 11 }

    ospfv3AreaAggregateGroup OBJECT-GROUP
            OBJECTS         {
                            ospfv3AreaAggregateStatus,
                            ospfv3AreaAggregateEffect,
                            ospfv3AreaAggregateRouteTag
                            }
            STATUS          current
            DESCRIPTION
                "These area aggregate objects are required for
                OSPFv3 systems."
            ::= { ospfv3Groups 12 }

    END

5. Acknowledgements

   This document is based on the MIB for OSPF version 2 by Rob
   Coltun and Fred Baker [18]. The authors would like to thank


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   Toshiaki Takada for his insightful comments. Thanks to Ramachandran
   Radhakrishnan, Harikrishna Golapalli and Mahesh Kurapati for their
   help.

6. References

     [1]  Harrington,  D.,  Presuhn,  R.,  and   B.   Wijnen,   "An
          Architecture  for Describing SNMP Management Frameworks",
          RFC 2571, April 1999

     [2]  Rose,   M.,   and   K.   McCloghrie,    "Structure    and
          Identification of Management Information for TCP/IP-based
          Internets", STD 16, RFC 1155, May 1990

     [3]  Rose, M., and K. McCloghrie, "Concise  MIB  Definitions",
          STD 16, RFC 1212, March 1991

     [4]  M. Rose, "A Convention for Defining Traps  for  use  with
          the SNMP", RFC 1215, March 1991

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

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

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

     [8]  Case, J., Fedor,  M.,  Schoffstall,  M.,  and  J.  Davin,
          "Simple  Network  Management Protocol", STD 15, RFC 1157,
          May 1990.

     [9]  Case, J., McCloghrie, K., Rose, M.,  and  S.  Waldbusser,
          "Introduction   to  Community-based  SNMPv2",  RFC  1901,
          January 1996.

     [10] Case, J., McCloghrie, K., Rose, M.,  and  S.  Waldbusser,
          "Transport  Mappings  for Version 2 of the Simple Network
          Management Protocol (SNMPv2)", RFC 1906, January 1996.

     [11] Case, J., Harrington  D.,  Presuhn  R.,  and  B.  Wijnen,
          "Message   Processing  and  Dispatching  for  the  Simple
          Network Management Protocol (SNMP)", RFC 2572, April 1999

     [12] Blumenthal, U., and B. Wijnen, "User-based Security Model
          (USM)  for  version  3  of  the Simple Network Management
          Protocol (SNMPv3)", RFC 2574, April 1999


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     [13] Case, J., McCloghrie, K., Rose, M.,  and  S.  Waldbusser,
          "Protocol  Operations for Version 2 of the Simple Network
          Management Protocol (SNMPv2)", RFC 1905, January 1996.

     [14] Levi,  D.,   Meyer,   P.,   and   B.   Stewart,   "SNMPv3
          Applications", RFC 2573, April 1999

     [15] Wijnen, B., Presuhn, R., and K.  McCloghrie,  "View-based
          Access  Control  Model  (VACM)  for  the  Simple  Network
          Management Protocol (SNMP)", RFC 2575, April 1999

     [16] Case, J.,  Mundy,  R.,  Partain,  D.,  and  B.  Stewart,
          "Introduction  to  Version  3  of  the  Internet-standard
          Network Management Framework", RFC 2570, April 1999

     [17] Deering, S., and R. Hinden, "Internet Protocol, Version 6
          (IPv6) Specification", RFC 2460, December 1998.

     [18] Baker, F., and Coltun, R.,  "OSPF  Version  2  Management
          Information Base", RFC 1850, November 1995.

     [19] Coltun, R., Ferguson, D., Moy, J., "OSPF for  IPv6",  RFC
          2740, December 1999.

     [20] Haskin, D., Onishi, S., "Management Information Base  for
          IP Version 6: Textual Conventions and General Group", RFC
          2465, December 1998.

     [21] Moy, J., "OSPF Version 2",   RFC 2328, April 1998.



7. Security Considerations

   There are a number of management objects defined in  this  MIB
   that  have  a  MAX-ACCESS  clause  of  read-write and/or read-
   create.   Such  objects  may  be   considered   sensitive   or
   vulnerable  in some network environments.  The support for SET
   operations  in  a  non-secure   environment   without   proper
    protection can have a negative effect on network operations.
   SNMPv1 by itself is not a secure environment.  Even if the network
   itself is secure (for example by using IPSec), even then, there is
   no control as to who on the secure network is allowed to access and
   GET/SET (read/change/create/delete) the objects in this MIB.

   It is recommended that the implementers consider the security
   features as provided by the SNMPv3 framework.  Specifically, the use
   of the User-based Security Model RFC 2574 [12] and the View-
   based Access Control Model RFC 2575 [15] is recommended.

   It is then a customer/user responsibility to ensure that the SNMP
   entity giving access to an instance of this MIB, is properly


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   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.




8. ContributorÆs Addresses

   Jacek Kwiatkowski
   Intel Technology Poland
   ul. Slowackiego 173
   80-298 Gdansk, Poland
   Email: jacek.kwiatkowski@intel.com

   Sebastian Zwolinski
   Intel Technology Poland
   ul. Slowackiego 173
   80-298 Gdansk, Poland
   Email: sebastian.zwolinski@intel.com

9. Editors' Addresses

   Dan Joyal
   Nortel Networks
   600 Technology Park Drive
   Billerica, MA 01821
   Email: djoyal@nortelnetworks.com

   Vishwas Manral
   Motorola Inc.
   189, Prashasan Nagar
   Road Number 72
   Jubilee Hills
   Hyderabad, India
   Email: vishwas@motorola.com


A. Differences from RFC 1850

     (1)  Textual Conventions are imported  from  INET-ADDRESS-MIB,
          IF-MIB and OSPF-MIB MIBs.

     (2)  The  "ospf"  prefix  for  entity  names  is  changed   to
          "ospfv3".

     (3)  General Group object name ospfVersionNumber is changed to
          ospfv3VersionNumber and its value is changed from 2 to 3.

     (4)  General Group object name ospfExternLsaCount  is  changed
          to  ospfv3AsScopeLsaCount  to  indicate  count of all AS-

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          scoped LSAs in the database.

     (5)  General  Group  object  name   ospfExternLsaCksumSum   is
          changed  to ospfv3AsScopeCksumSum to indicate checksum of
          all AS-scoped LSAs in the database.

     (6)  Removed General Group object ospfTOSSupport.

     (7)  Removed ospfAuthType object from Area entry.

     (8)  Changed     object     names     ospfAreaLsaCount     and
          ospfAreaLsaCksumSum    to   ospfv3AreaScopeLsaCount   and
          ospfv3AreaScopeLsaCksumSum.

     (9)  Removed OSPF Area Default Metric Table.

     (10) Added object ospfv3StubMetric to Area entry as substitute
          for Area Default Metric Table.

     (11) Changed name of External  LSDB  Table  to  AS-Scope  LSDB
          Table.   Replaced  object  name prefix "ospfExtLsdb" with
          "ospfv3AsLsdb".

     (12) Changed name of LSDB  Table  to  Area-Scope  LSDB  Table.
          Replaced    object    name    prefix    "ospfLsdb"   with
          "ospfv3AreaLsdb".

     (13) Added ospfv3LinkLsdbTable  which  contains  all  LSAs  of
          Link-Scope. Index  of  ospfv3LinkLsdbTable  is  interface
          index, LSA Type, Router ID and LSID.

     (14) Re-ordered Router ID and LSID index  components  of  LSDB
          table  entries.   Since  LSIDs  no longer have addressing
          semantics, GET-NEXT operations on partial OIDs  are  more
          useful when the Router ID component comes before the LSID
          component.

     (15) Address Range Table is removed.

     (16) Removed  ospfHostTOS  from  Host  Table   entry.   Object
          ospfHostIpAddress  changed  to ospfv3HostAddress with
          SYNTAX changed from IpAddress to InetAddress.

     (17) Added object ospfv3HostAddressType to Host Table entry to
          determine the address type of ospfv3HostAddress.

     (18) The  MAX-ACCESS  value  of  object  ospfv3HostAreaID   is
          changed to read-create.

     (19) Objects  ospfIfIpAddress  and  ospfAddressLessIf  removed
          from  Interface  entry and as Interface Table entry index
          components.


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     (20) Object ospfv3IfIndex added to Interface Table entry  with
          SYNTAX  InterfaceIndex. It  replaces  ospfIfIpAddress and
          ospfAddressLessIf as the Interface Table entry index.

     (21) The  SYNTAX   of   objects   ospfIfDesignatedRouter   and
          ospfIfBackupDesignatedRouter is changed from IpAddress to
          RouterID.

     (22) Objects ospfIfAuthType and ospfIfAuthKey are removed from
          Interface and Virtual Interface entries.

     (23) Added     objects      ospfv3IfLinkScopeLsaCount      and
          ospfv3IfLinkLsaCksumSum to Interface entry. They maintain
          the count of Link-Scope LSAs  and  the  checksum  of  the
          Link-Scope LSA database associated with the interface.

     (24) Removed  OSPF  Interface  Metric  Table.  Metric  is  now
          accessed  via object ospfv3IfMetricValue in the Interface
          entry.

     (25) Added object ospfv3IfInstId to Interface entry to  enable
          the  setting  of  the  interface  instance  value  of the
          interface. The default value is zero.

     (26) Added object ospfv3VirtIfIndex to Virtual Interface entry
          which  is  used  to  assign  a  local interface ID to the
          virtual interface.

     (27) Added    objects    ospfv3VirtIfLinkScopeLsaCount     and
          ospfv3VirtIfLinkLsaCksumSum  to  Virtual Interface entry.
          They maintain  the  count  of  Link-Scope  LSAs  and  the
          checksum  of  the Link-Scope LSA database associated with
          the virtual interface.

     (28) The Neighbor Table (ospfv3NbrTable) is a read-only  table
          and it contains only the neighbors that were learned from
          LSAs.

     (29) Removed objects ospfNbrIpAddr and ospfNbrAddressLessIndex
          from Neighbor entry.

     (30) Added object ospfv3NbrIfIndex to Neighbor  entry.   Index
          components  ospfNbrIpAddr and ospfNbrAddressLessIndex are
          replaced with ospfv3NbrIfIndex and ospfv3NbrRtrId.

     (31) Added object ospfv3NbrAddressType to  Neighbor  entry  to
          determine the address type of ospfv3NbrAddress.

     (32) Added object ospfv3NbrAddress  to  Neighbor  entry.  This
          object contains the neighbor's IPv6 address.

     (33) Removed        objects        ospfNbmaNbrStatus       and
          ospfNbmaNbrPermanence from Neighbor entry.

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     (34) Added object ospfv3NbrIfId to Neighbor entry. This object
          contains  the  neighbor's  local interface index from the
          neighbor's hellos advertised on the link.

     (35) The  MAX-ACCESS  value  of  object   ospfNbrPriority   is
          changed  to  read-only.   Removed   DEFVAL   for   object
          ospfv3NbrPriority.

     (36) Added  ospfv3NbmaNbrTable  (NBMA  Neighbor  Table)  which
          contains all  manually  configured  neighbors.  Index  of
          ospfv3NbmaNbrTable        is        ospfv3NbmaNbrIfIndex,
          ospfv3NbmaAddressType,              ospfv3NbmaNbrAddress.



     (37) Added object  ospfv3VirtNbrIfIndex  to  Virtual  Neighbor
          entry.  This  is  the interface index of the virtual link
          over which the virtual neighbor is reached.

     (38) Changed     object     name     ospfVirtNbrIpAddr      to
          ospfv3VirtNbrAddress   and   SYNTAX  from  IpAddress   to
          InetAddress.

     (39) Added object ospfv3VirtNbrAddressType to Virtual Neighbor
          entry     to    determine    the    address    type    of
          ospfv3VirtNbrAddress.

     (40) Added object ospfv3VirtNbrIfId to Virtual Neighbor entry.
          This  is  the  virtual neighbor's local virtual interface
          index  from  the  neighbor's  hellos  advertised  on  the
          virtual link.

     (41) Changed    object     name    ospfAreaAggregateMask    to
          ospfv3AreaAggregatePrefixLenth and SYNTAX from  IpAddress
          to InetAddressPrefixLength.

     (42) Changed    object     name    ospfAreaAggregateNet     to
          ospfv3AreaAggregatePrefix and SYNTAX  from  IpAddress  to
          InetAddress.

     (43) Added   object  ospfv3AreaAggregatePrefixType   to   Area
          Aggregate  entry  to  determine   the   address  type  of
          ospfv3AreaAggregatePrefix.

     (44) Index  for  Area  Aggregate  Table  entry  changed   from
          ospfAreaAggregateAreaID,       ospfAreaAggregateLsdbType,
          ospfAreaAggregateNet,      ospfAreaAggregateMask       to
          ospfv3AreaAggregateAreaID,
          ospfv3AreaAggregateAreaLsdbType,
          ospfv3AreaAggregatePrefixType, ospfv3AreaAggregatePrefix,
          ospfv3AreaAggregatePrefixLength.


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     (45) Conformance information  is  changed  to  reflect  object
          groups removed or added.

     (46) OSPFv3 traps are not defined.

     (47) Added   UNITS   clause   for   the   following   objects:
          ospfv3ExitOverflowInterval,
          ospfv3AreaNssaTranslatorStabilityInterval,
          ospfv3AsLsdbAge,  ospfv3AreaLsdbAge,   ospfv3LinkLsdbAge,
          ospfv3IfTransitDelay,            ospfv3IfRetransInterval,
          ospfv3IfHelloInterval,           ospfv3IfRtrDeadInterval,
          ospfv3IfPollInterval,           ospfv3VirtIfTransitDelay,
          ospfv3VirtIfRetransInterval,   ospfv3VirtIfHelloInterval,
          ospfv3VirtIfRtrDeadInterval.

     (48) Changed SYNTAX from  PositiveInteger  to  Unsigned32  for
          the   following   objects:    ospfv3ExitOverflowInterval,
          ospfv3IfRtrDeadInterval,            ospfv3IfPollInterval,
          ospfv3VirtIfRtrDeadInterval.

     (49) Changed MAX-ACCESS of row indices from read-only to
          not-accessible.

     (50) Added a new object ospfv3ExtLsaCount for support of RFC1765.

     (51) Compiled cleanly the MIB using "smilint -m -s -l 9 -i
           namelength-32".

     (52) Removed LSA type enumerations from the LSDB tables, but
           ranges added as required by compiler.

     (53) Added object to LSDB tables to check if the LSA is locally
           originated.

     (54) Add External Route Tag to AreaAggregate Table for NSSA.

     (55) Added Object for OSPFv3 Reference bandwidth.

     (56) Hitless restart objects to general group.

     (57) Hitless restart Objects to NBR MIBS.

     (58) ospfv3AreaSummary default value has been changed to import
           summary LSA's in line with RFC3101.

     (59) Added support for inactive neighbor probing support over DC.

     (60) Removed ospfv3HostAddressType and ospfv3NbmaNbrAddressType
           from the compliance module to get compiler over warnings.
           The information is already there in the description.

     (61) Changed description of ospfv3IfMetricValue to also refer
           to the new Reference Bandwidth general group object.

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     (62) Added Table of contents.

     (63) Added a section for contributorÆs address and added authors
           of previous versions to that section.

     (64) Changed working group mail address.

     (65) Added a new TEXTUAL-CONVENTION UpToRefreshInterval.

     (66) Changed RestartAge, RestartInterval, TransitDelay,
           RetransmitInterval in all MIBs to be of the syntax
           UpToRefreshInterval.

Full Copyright Statement

     Copyright  (C)  The  Internet  Society  (2001).   All   Rights
     Reserved.

     This document  and  translations  of  it  may  be  copied  and
     furnished  to  others, and derivative works that comment on or
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     prepared,  copied,  published  and distributed, in whole or in
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     copyright  notice  and this paragraph are included on all such
     copies and derivative works.  However,  this  document  itself
     may  not  be  modified  in  any  way,  such as by removing the
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     of developing Internet standards in which case the  procedures
     for  copyrights defined in the Internet Standards process must
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     The limited permissions granted above are perpetual  and  will
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     This document and the information contained herein is provided
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     ENGINEERING TASK FORCE DISCLAIMS ALL  WARRANTIES,  EXPRESS  OR
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