module OSPF-MIB {

    yang-version 1;

    namespace
      "urn:ietf:params:xml:ns:yang:smiv2:OSPF-MIB";

    prefix OSPF-MIB;

    import IF-MIB {
      prefix if-mib;
    }
    import SNMPv2-TC {
      prefix snmpv2-tc;
    }
    import ietf-inet-types {
      prefix inet;
    }
    import ietf-yang-smiv2 {
      prefix smiv2;
    }
    import ietf-yang-types {
      prefix yang;
    }

    organization "IETF OSPF Working Group";

    contact
      "WG E-Mail: ospf@ietf.org

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

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

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

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

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

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

    revision "2006-11-10" {
      description
        "Updated for latest changes to OSPF Version 2:
- updated the General Group with the new
  ospfRFC1583Compatibility, ospfReferenceBandwidth
  and ospfDiscontinuityTime objects
- added graceful-restart-related objects
- added stub-router-related objects
- updated the Area Table with NSSA-related objects
- added ospfAreaAggregateExtRouteTag object
- added Opaque LSA-related objects
- updates to the Compliances and Security sections
- added area LSA counter table
- added section describing translation of notification
  parameters between SNMP versions
- added ospfComplianceObsolete to contain obsolete
  object groups
- deprecated ospfExtLsdbTable
See Appendix B of RFC 4750 for more details.

This version published as part of RFC 4750";
    }

    revision "1995-01-20" {
      description
        "The initial SMIv2 revision of this MIB module, published
in RFC 1850.";
    }

    smiv2:alias "ospf" {
      smiv2:oid "1.3.6.1.2.1.14";
    }
    smiv2:alias "ospfGeneralGroup" {
      smiv2:oid "1.3.6.1.2.1.14.1";
    }
    smiv2:alias "ospfRouteGroup" {
      smiv2:oid "1.3.6.1.2.1.14.13";
    }
    smiv2:alias "ospfIntraArea" {
      smiv2:oid "1.3.6.1.2.1.14.13.1";
    }
    smiv2:alias "ospfInterArea" {
      smiv2:oid "1.3.6.1.2.1.14.13.2";
    }
    smiv2:alias "ospfExternalType1" {
      smiv2:oid "1.3.6.1.2.1.14.13.3";
    }
    smiv2:alias "ospfExternalType2" {
      smiv2:oid "1.3.6.1.2.1.14.13.4";
    }
    smiv2:alias "ospfConformance" {
      smiv2:oid "1.3.6.1.2.1.14.15";
    }
    smiv2:alias "ospfGroups" {
      smiv2:oid "1.3.6.1.2.1.14.15.1";
    }
    smiv2:alias "ospfCompliances" {
      smiv2:oid "1.3.6.1.2.1.14.15.2";
    }

    typedef AreaID {
      type inet:ipv4-address;
      description
        "An OSPF Area Identifier.
Note that the Area ID, in OSPF, has the same format
as an IP address, but has the function of defining
a summarization point for link state advertisements.";
    }

    typedef RouterID {
      type inet:ipv4-address;
      description
        "A OSPF Router Identifier.
Note that the Router ID, in OSPF, has the same format
as an IP address, but identifies the router independent

of its IP address.";
    }

    typedef Metric {
      type int32 {
        smiv2:display-hint "d-0";
        range "0..65535";
      }
      description
        "The OSPF internal metric.
Note that the OSPF metric is defined as an unsigned value
in the range.";
    }

    typedef BigMetric {
      type int32 {
        smiv2:display-hint "d-0";
        range "0..16777215";
      }
      description
        "The OSPF external metric.";
    }

    typedef Status {
      type enumeration {
        enum "enabled" {
          value 1;
        }
        enum "disabled" {
          value 2;
        }
      }
      description
        "An indication of the operability of an OSPF
function or feature.  For example, the status
of an interface: 'enabled' indicates that
it is willing to communicate with other OSPF routers,
and 'disabled' indicates that it is not.";
    }

    typedef PositiveInteger {
      type int32 {
        smiv2:display-hint "d-0";
        range "0..2147483647";
      }
      description
        "A positive integer.  Values in excess are precluded as
unnecessary and prone to interoperability issues.";
    }

    typedef HelloRange {
      type int32 {
        smiv2:display-hint "d-0";
        range "1..65535";
      }
      description
        "The range of intervals in seconds on which Hello messages
are exchanged.";
    }

    typedef UpToMaxAge {
      type int32 {
        smiv2:display-hint "d-0";
        range "0..3600";
      }
      description
        "The values in seconds that one might find or configure
for variables bounded by the maximum age of an LSA.";
    }

    typedef DesignatedRouterPriority {
      type int32 {
        smiv2:display-hint "d-0";
        range "0..255";
      }
      description
        "The range of values defined for the priority of a system
for becoming the designated router.";
    }

    typedef TOSType {
      type int32 {
        smiv2:display-hint "d-0";
        range "0..30";
      }
      description
        "Type of Service (TOS) is defined as a mapping to the IP
Type of Service Flags as defined in the IP Forwarding
Table MIB

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

	     IP TOS                IP TOS
	Field     Policy      Field     Policy

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

 The remaining values are left for future definition.";
    }

    typedef OspfAuthenticationType {
      type enumeration {
        enum "none" {
          value 0;
        }
        enum "simplePassword" {
          value 1;
        }
        enum "md5" {
          value 2;
        }
      }
      description "The authentication type.";
    }

    container OSPF-MIB {
      config false;
      container ospfGeneralGroup {
        smiv2:oid "1.3.6.1.2.1.14.1";
        leaf ospfRouterId {
          smiv2:max-access "read-write";
          smiv2:oid "1.3.6.1.2.1.14.1.1";
          type RouterID;
          description
            "A 32-bit integer uniquely identifying the
router in the Autonomous System.
By convention, to ensure uniqueness, this
should default to the value of one of the
router's IP interface addresses.

This object is persistent and when written
the entity SHOULD save the change to non-volatile storage.";
          reference
            "OSPF Version 2, C.1 Global parameters";

        }

        leaf ospfAdminStat {
          smiv2:max-access "read-write";
          smiv2:oid "1.3.6.1.2.1.14.1.2";
          type Status;
          description
            "The administrative status of OSPF in the
router.  The value 'enabled' denotes that the
OSPF Process is active on at least one interface;
'disabled' disables it on all interfaces.

This object is persistent and when written
the entity SHOULD save the change to non-volatile storage.";
        }

        leaf ospfVersionNumber {
          smiv2:max-access "read-only";
          smiv2:oid "1.3.6.1.2.1.14.1.3";
          type enumeration {
            enum "version2" {
              value 2;
            }
          }
          description
            "The current version number of the OSPF protocol is 2.";
          reference
            "OSPF Version 2, Title";

        }

        leaf ospfAreaBdrRtrStatus {
          smiv2:max-access "read-only";
          smiv2:oid "1.3.6.1.2.1.14.1.4";
          type boolean;
          description
            "A flag to note whether this router is an Area
Border Router.";
          reference
            "OSPF Version 2, Section 3 Splitting the AS into
            Areas";

        }

        leaf ospfASBdrRtrStatus {
          smiv2:max-access "read-write";
          smiv2:oid "1.3.6.1.2.1.14.1.5";
          type boolean;
          description
            "A flag to note whether this router is configured as
an Autonomous System Border Router.

This object is persistent and when written the
entity SHOULD save the change to non-volatile storage.";
          reference
            "OSPF Version 2, Section 3.3 Classification of
            routers";

        }

        leaf ospfExternLsaCount {
          smiv2:max-access "read-only";
          smiv2:oid "1.3.6.1.2.1.14.1.6";
          type yang:gauge32;
          description
            "The number of external (LS type-5) link state
advertisements in the link state database.";
          reference
            "OSPF Version 2, Appendix A.4.5 AS external link
            advertisements";

        }

        leaf ospfExternLsaCksumSum {
          smiv2:max-access "read-only";
          smiv2:oid "1.3.6.1.2.1.14.1.7";
          type int32;
          description
            "The 32-bit sum of the LS checksums of
the external link state advertisements
contained in the link state database.  This sum
can be used to determine if there has been a
change in a router's link state database and
to compare the link state database of two
routers.  The value should be treated as unsigned
when comparing two sums of checksums.";
        }

        leaf ospfTOSSupport {
          smiv2:max-access "read-write";
          smiv2:oid "1.3.6.1.2.1.14.1.8";
          type boolean;
          description
            "The router's support for type-of-service routing.

This object is persistent and when written
the entity SHOULD save the change to non-volatile
storage.";
          reference
            "OSPF Version 2, Appendix F.1.2 Optional TOS
            support";

        }

        leaf ospfOriginateNewLsas {
          smiv2:max-access "read-only";
          smiv2:oid "1.3.6.1.2.1.14.1.9";
          type yang:counter32;
          description
            "The number of new link state advertisements
that have been originated.  This number is
incremented each time the router originates a new
LSA.

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

        leaf ospfRxNewLsas {
          smiv2:max-access "read-only";
          smiv2:oid "1.3.6.1.2.1.14.1.10";
          type yang:counter32;
          description
            "The number of link state advertisements received
that are determined to be new instantiations.
This number does not include newer instantiations
of self-originated link state advertisements.

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

        leaf ospfExtLsdbLimit {
          smiv2:defval "-1";
          smiv2:max-access "read-write";
          smiv2:oid "1.3.6.1.2.1.14.1.11";
          type int32 {
            range "-1..2147483647";
          }
          description
            "The maximum number of non-default
AS-external LSAs entries that can be stored in the
link state database.  If the value is -1, then
there is no limit.

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

This object is persistent and when written
the entity SHOULD save the change to non-volatile
storage.";
        }

        leaf ospfMulticastExtensions {
          smiv2:defval "0";
          smiv2:max-access "read-write";
          smiv2:oid "1.3.6.1.2.1.14.1.12";
          type int32;
          description
            "A bit mask indicating whether the router is
forwarding IP multicast (Class D) datagrams
based on the algorithms defined in the
multicast extensions to OSPF.

Bit 0, if set, indicates that the router can

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

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

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

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

This object is persistent and when written
the entity SHOULD save the change to non-volatile
storage.";
        }

        leaf ospfExitOverflowInterval {
          smiv2:defval "0";
          smiv2:max-access "read-write";
          smiv2:oid "1.3.6.1.2.1.14.1.13";
          type PositiveInteger;
          description
            "The number of seconds that, after entering
OverflowState, a router will attempt to leave
OverflowState.  This allows the router to again
originate non-default AS-external LSAs.  When
set to 0, the router will not leave
overflow state until restarted.

This object is persistent and when written
the entity SHOULD save the change to non-volatile
storage.";
        }

        leaf ospfDemandExtensions {
          smiv2:max-access "read-write";
          smiv2:oid "1.3.6.1.2.1.14.1.14";
          type boolean;
          description
            "The router's support for demand routing.
This object is persistent and when written
the entity SHOULD save the change to non-volatile
storage.";
          reference
            "Extending OSPF to Support Demand Circuits";

        }

        leaf ospfRFC1583Compatibility {
          smiv2:max-access "read-write";
          smiv2:oid "1.3.6.1.2.1.14.1.15";
          type boolean;
          description
            "Indicates metrics used to choose among multiple
AS-external LSAs.  When RFC1583Compatibility is set to
enabled, only cost will be used when choosing among
multiple AS-external LSAs advertising the same
destination.  When RFC1583Compatibility is set to
disabled, preference will be driven first by type of
path using cost only to break ties.

This object is persistent and when written
the entity SHOULD save the change to non-volatile
storage.";
          reference
            "OSPF Version 2, Section 16.4.1 External path
            preferences";

        }

        leaf ospfOpaqueLsaSupport {
          smiv2:max-access "read-only";
          smiv2:oid "1.3.6.1.2.1.14.1.16";
          type boolean;
          description
            "The router's support for Opaque LSA types.";
          reference
            "The OSPF Opaque LSA Option";

        }

        leaf ospfReferenceBandwidth {
          smiv2:max-access "read-write";
          smiv2:oid "1.3.6.1.2.1.14.1.17";
          type uint32;
          units "kilobits per second";
          description
            "Reference bandwidth in kilobits/second for

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

This object is persistent and when written
the entity SHOULD save the change to non-volatile
storage.";
        }

        leaf ospfRestartSupport {
          smiv2:max-access "read-write";
          smiv2:oid "1.3.6.1.2.1.14.1.18";
          type enumeration {
            enum "none" {
              value 1;
            }
            enum "plannedOnly" {
              value 2;
            }
            enum "plannedAndUnplanned" {
              value 3;
            }
          }
          description
            "The router's support for OSPF graceful restart.
Options include: no restart support, only planned
restarts, or both planned and unplanned restarts.

This object is persistent and when written
the entity SHOULD save the change to non-volatile
storage.";
        }

        leaf ospfRestartInterval {
          smiv2:max-access "read-write";
          smiv2:oid "1.3.6.1.2.1.14.1.19";
          type int32 {
            range "1..1800";
          }
          units "seconds";
          description
            "Configured OSPF graceful restart timeout interval.

This object is persistent and when written
the entity SHOULD save the change to non-volatile
storage.";
        }

        leaf ospfRestartStrictLsaChecking {
          smiv2:max-access "read-write";
          smiv2:oid "1.3.6.1.2.1.14.1.20";
          type boolean;
          description
            "Indicates if strict LSA checking is enabled for
graceful restart.

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

storage.";
        }

        leaf ospfRestartStatus {
          smiv2:max-access "read-only";
          smiv2:oid "1.3.6.1.2.1.14.1.21";
          type enumeration {
            enum "notRestarting" {
              value 1;
            }
            enum "plannedRestart" {
              value 2;
            }
            enum "unplannedRestart" {
              value 3;
            }
          }
          description
            "Current status of OSPF graceful restart.";
        }

        leaf ospfRestartAge {
          smiv2:max-access "read-only";
          smiv2:oid "1.3.6.1.2.1.14.1.22";
          type uint32;
          units "seconds";
          description
            "Remaining time in current OSPF graceful restart
interval.";
        }

        leaf ospfRestartExitReason {
          smiv2:max-access "read-only";
          smiv2:oid "1.3.6.1.2.1.14.1.23";
          type enumeration {
            enum "none" {
              value 1;
            }
            enum "inProgress" {
              value 2;
            }
            enum "completed" {
              value 3;
            }
            enum "timedOut" {
              value 4;
            }
            enum "topologyChanged" {
              value 5;
            }
          }
          description
            "Describes the outcome of the last attempt at a
graceful restart.  If the value is 'none', no restart
has yet been attempted.  If the value is 'inProgress',
a restart attempt is currently underway.";
        }

        leaf ospfAsLsaCount {
          smiv2:max-access "read-only";
          smiv2:oid "1.3.6.1.2.1.14.1.24";
          type yang:gauge32;
          description
            "The number of AS-scope link state
advertisements in the AS-scope link state database.";
        }

        leaf ospfAsLsaCksumSum {
          smiv2:max-access "read-only";
          smiv2:oid "1.3.6.1.2.1.14.1.25";
          type uint32;
          description
            "The 32-bit unsigned sum of the LS checksums of
the AS link state advertisements contained in the AS-scope
link state database.  This sum can be used to determine
if there has been a change in a router's AS-scope link
state database, and to compare the AS-scope link state
database of two routers.";
        }

        leaf ospfStubRouterSupport {
          smiv2:max-access "read-only";
          smiv2:oid "1.3.6.1.2.1.14.1.26";
          type boolean;
          description
            "The router's support for stub router functionality.";
          reference
            "OSPF Stub Router Advertisement";

        }

        leaf ospfStubRouterAdvertisement {
          smiv2:max-access "read-write";
          smiv2:oid "1.3.6.1.2.1.14.1.27";
          type enumeration {
            enum "doNotAdvertise" {
              value 1;
            }
            enum "advertise" {
              value 2;
            }
          }
          description
            "This object controls the advertisement of
stub router LSAs by the router.  The value
doNotAdvertise will result in the advertisement
of a standard router LSA and is the default value.

This object is persistent and when written
the entity SHOULD save the change to non-volatile
storage.";
        }

        leaf ospfDiscontinuityTime {
          smiv2:max-access "read-only";
          smiv2:oid "1.3.6.1.2.1.14.1.28";
          type yang:timestamp;
          description
            "The value of sysUpTime on the most recent occasion
at which any one of this MIB's counters suffered
a discontinuity.

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

      container ospfAreaTable {
        smiv2:oid "1.3.6.1.2.1.14.2";
        description
          "Information describing the configured parameters and
cumulative statistics of the router's attached areas.
The interfaces and virtual links are configured
as part of these areas.  Area 0.0.0.0, by definition,
is the backbone area.";
        reference
          "OSPF Version 2, Section 6 The Area Data Structure";

        list ospfAreaEntry {
          smiv2:oid "1.3.6.1.2.1.14.2.1";
          key "ospfAreaId";
          description
            "Information describing the configured parameters and
cumulative statistics of one of the router's attached areas.
The interfaces and virtual links are configured as part of
these areas.  Area 0.0.0.0, by definition, is the backbone
area.

Information in this table is persistent and when this object
is written the entity SHOULD save the change to non-volatile
storage.";
          leaf ospfAreaId {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.2.1.1";
            type AreaID;
            description
              "A 32-bit integer uniquely identifying an area.
Area ID 0.0.0.0 is used for the OSPF backbone.";
            reference
              "OSPF Version 2, Appendix C.2 Area parameters";

          }

          leaf ospfAuthType {
            smiv2:defval "none";
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.14.2.1.2";
            type OspfAuthenticationType;
            status obsolete;
            description
              "The authentication type specified for an area.";
            reference
              "OSPF Version 2, Appendix D Authentication";

          }

          leaf ospfImportAsExtern {
            smiv2:defval "importExternal";
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.14.2.1.3";
            type enumeration {
              enum "importExternal" {
                value 1;
              }
              enum "importNoExternal" {
                value 2;
              }
              enum "importNssa" {
                value 3;
              }
            }
            description
              "Indicates if an area is a stub area, NSSA, or standard
area.  Type-5 AS-external LSAs and type-11 Opaque LSAs are
not imported into stub areas or NSSAs.  NSSAs import
AS-external data as type-7 LSAs";
            reference
              "OSPF Version 2, Appendix C.2 Area parameters";

          }

          leaf ospfSpfRuns {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.2.1.4";
            type yang:counter32;
            description
              "The number of times that the intra-area route
table has been calculated using this area's
link state database.  This is typically done
using Dijkstra's algorithm.

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

          leaf ospfAreaBdrRtrCount {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.2.1.5";
            type yang:gauge32;
            description
              "The total number of Area Border Routers reachable
within this area.  This is initially zero and is
calculated in each Shortest Path First (SPF) pass.";
          }

          leaf ospfAsBdrRtrCount {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.2.1.6";
            type yang:gauge32;
            description
              "The total number of Autonomous System Border
Routers reachable within this area.  This is
initially zero and is calculated in each SPF
pass.";
          }

          leaf ospfAreaLsaCount {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.2.1.7";
            type yang:gauge32;
            description
              "The total number of link state advertisements
in this area's link state database, excluding
AS-external LSAs.";
          }

          leaf ospfAreaLsaCksumSum {
            smiv2:defval "0";
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.2.1.8";
            type int32;
            description
              "The 32-bit sum of the link state
advertisements' LS checksums contained in this
area's link state database.  This sum excludes
external (LS type-5) link state advertisements.
The sum can be used to determine if there has
been a change in a router's link state
database, and to compare the link state database of
two routers.  The value should be treated as unsigned
when comparing two sums of checksums.";
          }

          leaf ospfAreaSummary {
            smiv2:defval "noAreaSummary";
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.14.2.1.9";
            type enumeration {
              enum "noAreaSummary" {
                value 1;
              }
              enum "sendAreaSummary" {
                value 2;
              }
            }
            description
              "The variable ospfAreaSummary controls the
import of summary LSAs into stub and NSSA areas.
It has no effect on other areas.

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

If it is sendAreaSummary, the router will both
summarize and propagate summary LSAs.";
          }

          leaf ospfAreaStatus {
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.14.2.1.10";
            type snmpv2-tc:RowStatus;
            description
              "This object permits management of the table by
facilitating actions such as row creation,
construction, and destruction.

The value of this object has no effect on
whether other objects in this conceptual row can be
modified.";
          }

          leaf ospfAreaNssaTranslatorRole {
            smiv2:defval "candidate";
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.14.2.1.11";
            type enumeration {
              enum "always" {
                value 1;
              }
              enum "candidate" {
                value 2;
              }
            }
            description
              "Indicates an NSSA border router's ability to
perform NSSA translation of type-7 LSAs into
type-5 LSAs.";
          }

          leaf ospfAreaNssaTranslatorState {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.2.1.12";
            type enumeration {
              enum "enabled" {
                value 1;
              }
              enum "elected" {
                value 2;
              }
              enum "disabled" {
                value 3;
              }
            }
            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 OspfAreaNssaExtTranslatorRole has been set to
always.  When this object is set to elected, a candidate
NSSA Border router is Translating type-7 LSAs into type-5.
When this object is set to disabled, a candidate NSSA
border router is NOT translating type-7 LSAs into type-5.";
          }

          leaf ospfAreaNssaTranslatorStabilityInterval {
            smiv2:defval "40";
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.14.2.1.13";
            type PositiveInteger;
            units "seconds";
            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.";
          }

          leaf ospfAreaNssaTranslatorEvents {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.2.1.14";
            type yang:counter32;
            description
              "Indicates the number of translator state changes
that have occurred since the last boot-up.

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

          leaf cospfOpaqueAreaLsaCount {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.4.1.9.10.99.2.1.1";
            type yang:gauge32;
            description
              "The total number of Opaque Area and AS link-state
advertisements in the link state database of this
area.";
            reference
              "The OSPF Opaque LSA Option (RFC 2370)";

          }

          leaf cospfOpaqueAreaLsaCksumSum {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.4.1.9.10.99.2.1.2";
            type uint32 {
              range "0..4294967295";
            }
            description
              "The 32-bit unsigned sum of the Opaque Area and AS
link-state advertisements' LS checksums contained
link state database of this area.  The sum can be
used to determine if there has been a change in the
link state database for Opaque Area and AS link-state
advertisements";
            reference
              "The OSPF Opaque LSA Option (RFC 2370)";

          }

          leaf cospfAreaNssaTranslatorRole {
            smiv2:defval "candidate";
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.4.1.9.10.99.2.1.3";
            type enumeration {
              enum "always" {
                value 1;
              }
              enum "candidate" {
                value 2;
              }
            }
            description
              "Indicates an NSSA Border router's ability to
perform NSSA translation of type-7 LSAs into
type-5 LSAs.";
          }

          leaf cospfAreaNssaTranslatorState {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.4.1.9.10.99.2.1.4";
            type enumeration {
              enum "enabled" {
                value 1;
              }
              enum "elected" {
                value 2;
              }
              enum "disabled" {
                value 3;
              }
            }
            description
              "Indicates if and how an NSSA Border router is
performing NSSA translation of type-7 LSAs into type-5
LSAs. When this object set to enabled, the NSSA Border
router's cospfAreaNssaExtTranslatorRole 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.";
          }

          leaf cospfAreaNssaTranslatorEvents {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.4.1.9.10.99.2.1.5";
            type yang:counter32;
            description
              "Indicates the number of Translator State changes
that have occurred since the last boot-up.";
          }
        }  // list ospfAreaEntry
      }  // container ospfAreaTable

      container ospfStubAreaTable {
        smiv2:oid "1.3.6.1.2.1.14.3";
        description
          "The set of metrics that will be advertised
by a default Area Border Router into a stub area.";
        reference
          "OSPF Version 2, Appendix C.2, Area Parameters";

        list ospfStubAreaEntry {
          smiv2:oid "1.3.6.1.2.1.14.3.1";
          key "ospfStubAreaId ospfStubTOS";
          description
            "The metric for a given Type of Service that
will be advertised by a default Area Border
Router into a stub area.

Information in this table is persistent and when this object
is written the entity SHOULD save the change to non-volatile
storage.";
          reference
            "OSPF Version 2, Appendix C.2, Area Parameters";

          leaf ospfStubAreaId {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.3.1.1";
            type AreaID;
            description
              "The 32-bit identifier for the stub area.  On
creation, this can be derived from the
instance.";
          }

          leaf ospfStubTOS {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.3.1.2";
            type TOSType;
            description
              "The Type of Service associated with the
metric.  On creation, this can be derived from

the instance.";
          }

          leaf ospfStubMetric {
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.14.3.1.3";
            type BigMetric;
            description
              "The metric value applied at the indicated Type
of Service.  By default, this equals the least
metric at the Type of Service among the
interfaces to other areas.";
          }

          leaf ospfStubStatus {
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.14.3.1.4";
            type snmpv2-tc:RowStatus;
            description
              "This object permits management of the table by
facilitating actions such as row creation,
construction, and destruction.

The value of this object has no effect on
whether other objects in this conceptual row can be
modified.";
          }

          leaf ospfStubMetricType {
            smiv2:defval "ospfMetric";
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.14.3.1.5";
            type enumeration {
              enum "ospfMetric" {
                value 1;
              }
              enum "comparableCost" {
                value 2;
              }
              enum "nonComparable" {
                value 3;
              }
            }
            description
              "This variable displays the type of metric
advertised as a default route.";
          }
        }  // list ospfStubAreaEntry
      }  // container ospfStubAreaTable

      container ospfLsdbTable {
        smiv2:oid "1.3.6.1.2.1.14.4";
        description
          "The OSPF Process's link state database (LSDB).
The LSDB contains the link state advertisements
from throughout the areas that the device is attached to.";
        reference
          "OSPF Version 2, Section 12 Link State Advertisements";

        list ospfLsdbEntry {
          smiv2:oid "1.3.6.1.2.1.14.4.1";
          key "ospfLsdbAreaId ospfLsdbType ospfLsdbLsid ospfLsdbRouterId";
          description
            "A single link state advertisement.";
          leaf ospfLsdbAreaId {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.4.1.1";
            type AreaID;
            description
              "The 32-bit identifier of the area from which
the LSA was received.";
            reference
              "OSPF Version 2, Appendix C.2 Area parameters";

          }

          leaf ospfLsdbType {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.4.1.2";
            type enumeration {
              enum "routerLink" {
                value 1;
              }
              enum "networkLink" {
                value 2;
              }
              enum "summaryLink" {
                value 3;
              }
              enum "asSummaryLink" {
                value 4;
              }
              enum "asExternalLink" {
                value 5;
              }
              enum "multicastLink" {
                value 6;
              }
              enum "nssaExternalLink" {
                value 7;
              }
              enum "areaOpaqueLink" {
                value 10;
              }
            }
            description
              "The type of the link state advertisement.
Each link state type has a separate advertisement
format.

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

          }

          leaf ospfLsdbLsid {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.4.1.3";
            type inet:ipv4-address;
            description
              "The Link State ID is an LS Type Specific field
containing either a Router ID or an IP address;
it identifies the piece of the routing domain
that is being described by the advertisement.";
            reference
              "OSPF Version 2, Section 12.1.4 Link State ID";

          }

          leaf ospfLsdbRouterId {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.4.1.4";
            type RouterID;
            description
              "The 32-bit number that uniquely identifies the
originating router in the Autonomous System.";
            reference
              "OSPF Version 2, Appendix C.1 Global parameters";

          }

          leaf ospfLsdbSequence {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.4.1.5";
            type int32;
            description
              "The sequence number field is a signed 32-bit
integer.  It starts with the value '80000001'h,
or -'7FFFFFFF'h, and increments until '7FFFFFFF'h.
Thus, a typical sequence number will be very negative.
It is used to detect old and duplicate Link State
Advertisements.  The space of sequence numbers is linearly
ordered.  The larger the sequence number, the more recent
the advertisement.";
            reference
              "OSPF Version 2, Section 12.1.6 LS sequence
              number";

          }

          leaf ospfLsdbAge {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.4.1.6";
            type int32;
            units "seconds";
            description
              "This field is the age of the link state advertisement
in seconds.";
            reference
              "OSPF Version 2, Section 12.1.1 LS age";

          }

          leaf ospfLsdbChecksum {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.4.1.7";
            type int32;
            description
              "This field is the checksum of the complete contents of
the advertisement, excepting the age field.  The age field
is excepted so that an advertisement's age can be
incremented without updating the checksum.  The checksum
used is the same that is used for ISO connectionless

datagrams; it is commonly referred to as the
Fletcher checksum.";
            reference
              "OSPF Version 2, Section 12.1.7 LS checksum";

          }

          leaf ospfLsdbAdvertisement {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.4.1.8";
            type binary {
              length "1..65535";
            }
            description
              "The entire link state advertisement, including
its header.

Note that for variable length LSAs, SNMP agents
may not be able to return the largest string size.";
            reference
              "OSPF Version 2, Section 12 Link State Advertisements";

          }
        }  // list ospfLsdbEntry
      }  // container ospfLsdbTable

      container ospfAreaRangeTable {
        smiv2:oid "1.3.6.1.2.1.14.5";
        status obsolete;
        description
          "The Address Range Table acts as an adjunct to the Area
Table.  It describes those Address Range Summaries that
are configured to be propagated from an Area to reduce
the amount of information about it that is known beyond
its borders.  It contains a set of IP address ranges
specified by an IP address/IP network mask pair.
For example, class B address range of X.X.X.X
with a network mask of 255.255.0.0 includes all IP
addresses from X.X.0.0 to X.X.255.255.

Note that this table is obsoleted and is replaced
by the Area Aggregate Table.";
        reference
          "OSPF Version 2, Appendix C.2  Area parameters";

        list ospfAreaRangeEntry {
          smiv2:oid "1.3.6.1.2.1.14.5.1";
          key "ospfAreaRangeAreaId ospfAreaRangeNet";
          status obsolete;
          description
            "A single area address range.

Information in this table is persistent and when this object
is written the entity SHOULD save the change to non-volatile
storage.";
          reference
            "OSPF Version 2, Appendix C.2  Area parameters";

          leaf ospfAreaRangeAreaId {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.5.1.1";
            type AreaID;
            status obsolete;
            description
              "The area that the address range is to be found
within.";
            reference
              "OSPF Version 2, Appendix C.2 Area parameters";

          }

          leaf ospfAreaRangeNet {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.5.1.2";
            type inet:ipv4-address;
            status obsolete;
            description
              "The IP address of the net or subnet indicated
by the range.";
            reference
              "OSPF Version 2, Appendix C.2 Area parameters";

          }

          leaf ospfAreaRangeMask {
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.14.5.1.3";
            type inet:ipv4-address;
            status obsolete;
            description
              "The subnet mask that pertains to the net or
subnet.";
            reference
              "OSPF Version 2, Appendix C.2 Area parameters";

          }

          leaf ospfAreaRangeStatus {
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.14.5.1.4";
            type snmpv2-tc:RowStatus;
            status obsolete;
            description
              "This object permits management of the table by
facilitating actions such as row creation,
construction, and destruction.

The value of this object has no effect on
whether other objects in this conceptual row can be
modified.";
          }

          leaf ospfAreaRangeEffect {
            smiv2:defval "advertiseMatching";
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.14.5.1.5";
            type enumeration {
              enum "advertiseMatching" {
                value 1;
              }
              enum "doNotAdvertiseMatching" {
                value 2;
              }
            }
            status obsolete;
            description
              "Subnets subsumed by ranges either trigger the
advertisement of the indicated summary
(advertiseMatching) or result in the subnet's not
being advertised at all outside the area.";
          }
        }  // list ospfAreaRangeEntry
      }  // container ospfAreaRangeTable

      container ospfHostTable {
        smiv2:oid "1.3.6.1.2.1.14.6";
        description
          "The Host/Metric Table indicates what hosts are directly

attached to the router, what metrics and types
of service should be advertised for them,
and what areas they are found within.";
        reference
          "OSPF Version 2, Appendix C.7 Host route
          parameters";

        list ospfHostEntry {
          smiv2:oid "1.3.6.1.2.1.14.6.1";
          key "ospfHostIpAddress ospfHostTOS";
          description
            "A metric to be advertised, for a given type of
service, when a given host is reachable.

Information in this table is persistent and when this object
is written the entity SHOULD save the change to non-volatile
storage.";
          leaf ospfHostIpAddress {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.6.1.1";
            type inet:ipv4-address;
            description
              "The IP address of the host.";
            reference
              "OSPF Version 2, Appendix C.7 Host route parameters";

          }

          leaf ospfHostTOS {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.6.1.2";
            type TOSType;
            description
              "The Type of Service of the route being configured.";
            reference
              "OSPF Version 2, Appendix C.7 Host route parameters";

          }

          leaf ospfHostMetric {
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.14.6.1.3";
            type Metric;
            description
              "The metric to be advertised.";
            reference
              "OSPF Version 2, Appendix C.7 Host route parameters";

          }

          leaf ospfHostStatus {
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.14.6.1.4";
            type snmpv2-tc:RowStatus;
            description
              "This object permits management of the table by
facilitating actions such as row creation,
construction, and destruction.

The value of this object has no effect on
whether other objects in this conceptual row can be
modified.";
          }

          leaf ospfHostAreaID {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.6.1.5";
            type AreaID;
            status deprecated;
            description
              "The OSPF area to which the host belongs.
Deprecated by ospfHostCfgAreaID.";
            reference
              "OSPF Version 2, Appendix C.7 Host parameters";

          }

          leaf ospfHostCfgAreaID {
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.14.6.1.6";
            type AreaID;
            description
              "To configure the OSPF area to which the host belongs.";
            reference
              "OSPF Version 2, Appendix C.7 Host parameters";

          }
        }  // list ospfHostEntry
      }  // container ospfHostTable

      container ospfIfTable {
        smiv2:oid "1.3.6.1.2.1.14.7";
        description
          "The OSPF Interface Table describes the interfaces
from the viewpoint of OSPF.
It augments the ipAddrTable with OSPF specific information.";
        reference
          "OSPF Version 2, Appendix C.3  Router interface
          parameters";

        list ospfIfEntry {
          smiv2:oid "1.3.6.1.2.1.14.7.1";
          key "ospfIfIpAddress ospfAddressLessIf";
          description
            "The OSPF interface entry describes one interface
from the viewpoint of OSPF.

Information in this table is persistent and when this object
is written the entity SHOULD save the change to non-volatile
storage.";
          leaf ospfIfIpAddress {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.7.1.1";
            type inet:ipv4-address;
            description
              "The IP address of this OSPF interface.";
          }

          leaf ospfAddressLessIf {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.7.1.2";
            type if-mib:InterfaceIndexOrZero;
            description
              "For the purpose of easing the instancing of
addressed and addressless interfaces; this
variable takes the value 0 on interfaces with
IP addresses and the corresponding value of
ifIndex for interfaces having no IP address.";
          }

          leaf ospfIfAreaId {
            smiv2:defval "'00000000'H";
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.14.7.1.3";
            type AreaID;
            description
              "A 32-bit integer uniquely identifying the area
to which the interface connects.  Area ID
0.0.0.0 is used for the OSPF backbone.";
          }

          leaf ospfIfType {
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.14.7.1.4";
            type enumeration {
              enum "broadcast" {
                value 1;
              }
              enum "nbma" {
                value 2;
              }
              enum "pointToPoint" {
                value 3;
              }
              enum "pointToMultipoint" {
                value 5;
              }
            }
            description
              "The OSPF interface type.
By way of a default, this field may be intuited
from the corresponding value of ifType.
Broadcast LANs, such as Ethernet and IEEE 802.5,
take the value 'broadcast', X.25 and similar
technologies take the value 'nbma', and links
that are definitively point to point take the
value 'pointToPoint'.";
          }

          leaf ospfIfAdminStat {
            smiv2:defval "enabled";
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.14.7.1.5";
            type Status;
            description
              "The OSPF interface's administrative status.
The value formed on the interface, and the interface
will be advertised as an internal route to some area.
The value 'disabled' denotes that the interface is
external to OSPF.";
          }

          leaf ospfIfRtrPriority {
            smiv2:defval "1";
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.14.7.1.6";
            type DesignatedRouterPriority;
            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 eligible
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.";
          }

          leaf ospfIfTransitDelay {
            smiv2:defval "1";
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.14.7.1.7";
            type UpToMaxAge;
            units "seconds";
            description
              "The estimated number of seconds it takes to
transmit a link state update packet over this
interface.  Note that the minimal value SHOULD be
1 second.";
          }

          leaf ospfIfRetransInterval {
            smiv2:defval "5";
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.14.7.1.8";
            type UpToMaxAge;
            units "seconds";
            description
              "The number of seconds between link state advertisement
retransmissions, for adjacencies belonging to this
interface.  This value is also used when retransmitting

database description and Link State request packets.
Note that minimal value SHOULD be 1 second.";
          }

          leaf ospfIfHelloInterval {
            smiv2:defval "10";
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.14.7.1.9";
            type HelloRange;
            units "seconds";
            description
              "The length of time, in seconds, between the Hello packets
that the router sends on the interface.  This value must be
the same for all routers attached to a common network.";
          }

          leaf ospfIfRtrDeadInterval {
            smiv2:defval "40";
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.14.7.1.10";
            type PositiveInteger;
            units "seconds";
            description
              "The number of seconds that a router's Hello packets have
not been seen before its neighbors 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.";
          }

          leaf ospfIfPollInterval {
            smiv2:defval "120";
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.14.7.1.11";
            type PositiveInteger;
            units "seconds";
            description
              "The larger time interval, in seconds, between the Hello
packets sent to an inactive non-broadcast multi-access
neighbor.";
          }

          leaf ospfIfState {
            smiv2:defval "down";
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.7.1.12";
            type enumeration {
              enum "down" {
                value 1;
              }
              enum "loopback" {
                value 2;
              }
              enum "waiting" {
                value 3;
              }
              enum "pointToPoint" {
                value 4;
              }
              enum "designatedRouter" {
                value 5;
              }
              enum "backupDesignatedRouter" {
                value 6;
              }
              enum "otherDesignatedRouter" {
                value 7;
              }
            }
            description
              "The OSPF Interface State.";
          }

          leaf ospfIfDesignatedRouter {
            smiv2:defval "'00000000'H";
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.7.1.13";
            type inet:ipv4-address;
            description
              "The IP address of the designated router.";
          }

          leaf ospfIfBackupDesignatedRouter {
            smiv2:defval "'00000000'H";
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.7.1.14";
            type inet:ipv4-address;
            description
              "The IP address of the backup designated
router.";
          }

          leaf ospfIfEvents {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.7.1.15";
            type yang:counter32;
            description
              "The number of times this OSPF interface has
changed its state or an error has occurred.

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

          leaf ospfIfAuthKey {
            smiv2:defval "'0000000000000000'H";
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.14.7.1.16";
            type binary {
              length "0..256";
            }
            description
              "The cleartext password used as an OSPF
authentication key when simplePassword security
is enabled.  This object does not access any OSPF
cryptogaphic (e.g., MD5) authentication key under
any circumstance.

If the key length is shorter than 8 octets, the
agent will left adjust and zero fill to 8 octets.

Unauthenticated interfaces need no authentication
key, and simple password authentication cannot use
a key of more than 8 octets.

Note that the use of simplePassword authentication
is NOT recommended when there is concern regarding
attack upon the OSPF system.  SimplePassword
authentication is only sufficient to protect against
accidental misconfigurations because it re-uses
cleartext passwords [RFC1704].

When read, ospfIfAuthKey always returns an octet
string of length zero.";
            reference
              "OSPF Version 2, Section 9 The Interface Data
              Structure";

          }

          leaf ospfIfStatus {
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.14.7.1.17";
            type snmpv2-tc:RowStatus;
            description
              "This object permits management of the table by
facilitating actions such as row creation,
construction, and destruction.

The value of this object has no effect on
whether other objects in this conceptual row can be
modified.";
          }

          leaf ospfIfMulticastForwarding {
            smiv2:defval "blocked";
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.14.7.1.18";
            type enumeration {
              enum "blocked" {
                value 1;
              }
              enum "multicast" {
                value 2;
              }
              enum "unicast" {
                value 3;
              }
            }
            description
              "The way multicasts should be forwarded on this
interface: not forwarded, forwarded as data
link multicasts, or forwarded as data link
unicasts.  Data link multicasting is not
meaningful on point-to-point and NBMA interfaces,
and setting ospfMulticastForwarding to 0 effectively
disables all multicast forwarding.";
          }

          leaf ospfIfDemand {
            smiv2:defval "false";
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.14.7.1.19";
            type boolean;
            description
              "Indicates whether Demand OSPF procedures (hello
suppression to FULL neighbors and setting the
DoNotAge flag on propagated LSAs) should be
performed on this interface.";
          }

          leaf ospfIfAuthType {
            smiv2:defval "none";
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.14.7.1.20";
            type OspfAuthenticationType;
            description
              "The authentication type specified for an interface.

Note that this object can be used to engage
in significant attacks against an OSPF router.";
            reference
              "OSPF Version 2, Appendix D Authentication";

          }

          leaf ospfIfLsaCount {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.7.1.21";
            type yang:gauge32;
            description
              "The total number of link-local link state advertisements
in this interface's link-local link state database.";
          }

          leaf ospfIfLsaCksumSum {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.7.1.22";
            type uint32;
            description
              "The 32-bit unsigned sum of the Link State
Advertisements' LS checksums contained in this
interface's link-local link state database.
The sum can be used to determine if there has
been a change in the interface's link state
database and to compare the interface link state
database of routers attached to the same subnet.";
          }

          leaf ospfIfDesignatedRouterId {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.7.1.23";
            type RouterID;
            description
              "The Router ID of the designated router.";
          }

          leaf ospfIfBackupDesignatedRouterId {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.7.1.24";
            type RouterID;
            description
              "The Router ID of the backup designated router.";
          }

          leaf cospfIfLsaCount {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.4.1.9.10.99.4.1.1";
            type yang:gauge32;
            description
              "The total number of link-local link state advertisements
in this interface's link-local link state database.";
            reference
              "The OSPF Opaque LSA Option (RFC 2370)";

          }

          leaf cospfIfLsaCksumSum {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.4.1.9.10.99.4.1.2";
            type uint32 {
              range "0..4294967295";
            }
            description
              "The 32-bit unsigned sum of the link-state advertisements'
LS checksums contained in this interface's link-local link
state database. The sum can be used to determine if there has
been a change in the interface's link state database, and to
compare the interface link-state database of routers
attached to the same subnet.";
            reference
              "The OSPF Opaque LSA Option (RFC 2370)";

          }
        }  // list ospfIfEntry
      }  // container ospfIfTable

      container ospfIfMetricTable {
        smiv2:oid "1.3.6.1.2.1.14.8";
        description
          "The Metric Table describes the metrics to be advertised
for a specified interface at the various types of service.
As such, this table is an adjunct of the OSPF Interface
Table.

Types of service, as defined by RFC 791, have the ability
to request low delay, high bandwidth, or reliable linkage.

For the purposes of this specification, the measure of
bandwidth:

Metric = referenceBandwidth / ifSpeed

is the default value.
The default reference bandwidth is 10^8.
For multiple link interfaces, note that ifSpeed is the sum
of the individual link speeds.  This yields a number having
the following typical values:

Network Type/bit rate   Metric

>= 100 MBPS                 1
Ethernet/802.3             10
E1                         48
T1 (ESF)                   65
64 KBPS                    1562
56 KBPS                    1785
19.2 KBPS                  5208
9.6 KBPS                   10416

Routes that are not specified use the default
(TOS 0) metric.

Note that the default reference bandwidth can be configured
using the general group object ospfReferenceBandwidth.";
        reference
          "OSPF Version 2, Appendix C.3 Router interface
          parameters";

        list ospfIfMetricEntry {
          smiv2:oid "1.3.6.1.2.1.14.8.1";
          key "ospfIfMetricIpAddress ospfIfMetricAddressLessIf ospfIfMetricTOS";
          description
            "A particular TOS metric for a non-virtual interface
identified by the interface index.

Information in this table is persistent and when this object
is written the entity SHOULD save the change to non-volatile
storage.";
          reference
            "OSPF Version 2, Appendix C.3 Router interface
            parameters";

          leaf ospfIfMetricIpAddress {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.8.1.1";
            type inet:ipv4-address;
            description
              "The IP address of this OSPF interface.  On row
creation, this can be derived from the instance.";
          }

          leaf ospfIfMetricAddressLessIf {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.8.1.2";
            type if-mib:InterfaceIndexOrZero;
            description
              "For the purpose of easing the instancing of
addressed and addressless interfaces; this
variable takes the value 0 on interfaces with
IP addresses and the value of ifIndex for
interfaces having no IP address.  On row
creation, this can be derived from the instance.";
          }

          leaf ospfIfMetricTOS {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.8.1.3";
            type TOSType;
            description
              "The Type of Service metric being referenced.
On row creation, this can be derived from the
instance.";
          }

          leaf ospfIfMetricValue {
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.14.8.1.4";
            type Metric;
            description
              "The metric of using this Type of Service on
this interface.  The default value of the TOS 0
metric is 10^8 / ifSpeed.";
          }

          leaf ospfIfMetricStatus {
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.14.8.1.5";
            type snmpv2-tc:RowStatus;
            description
              "This object permits management of the table by
facilitating actions such as row creation,
construction, and destruction.

The value of this object has no effect on
whether other objects in this conceptual row can be
modified.";
          }
        }  // list ospfIfMetricEntry
      }  // container ospfIfMetricTable

      container ospfVirtIfTable {
        smiv2:oid "1.3.6.1.2.1.14.9";
        description
          "Information about this router's virtual interfaces
that the OSPF Process is configured to carry on.";
        reference
          "OSPF Version 2, Appendix C.4  Virtual link
          parameters";

        list ospfVirtIfEntry {
          smiv2:oid "1.3.6.1.2.1.14.9.1";
          key "ospfVirtIfAreaId ospfVirtIfNeighbor";
          description
            "Information about a single virtual interface.

Information in this table is persistent and when this object
is written the entity SHOULD save the change to non-volatile
storage.";
          leaf ospfVirtIfAreaId {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.9.1.1";
            type AreaID;
            description
              "The transit area that the virtual link
traverses.  By definition, this is not 0.0.0.0.";
          }

          leaf ospfVirtIfNeighbor {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.9.1.2";
            type RouterID;
            description
              "The Router ID of the virtual neighbor.";
          }

          leaf ospfVirtIfTransitDelay {
            smiv2:defval "1";
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.14.9.1.3";
            type UpToMaxAge;
            units "seconds";
            description
              "The estimated number of seconds it takes to
transmit a Link State update packet over this
interface.  Note that the minimal value SHOULD be
1 second.";
          }

          leaf ospfVirtIfRetransInterval {
            smiv2:defval "5";
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.14.9.1.4";
            type UpToMaxAge;
            units "seconds";
            description
              "The number of seconds between link state
avertisement retransmissions, for adjacencies
belonging to this interface.  This value is
also used when retransmitting database
description and Link State request packets.  This
value should be well over the expected
round-trip time.  Note that the minimal value SHOULD be
1 second.";
          }

          leaf ospfVirtIfHelloInterval {
            smiv2:defval "10";
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.14.9.1.5";
            type HelloRange;
            units "seconds";
            description
              "The length of time, in seconds, between the
Hello packets that the router sends on the
interface.  This value must be the same for the
virtual neighbor.";
          }

          leaf ospfVirtIfRtrDeadInterval {
            smiv2:defval "60";
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.14.9.1.6";
            type PositiveInteger;
            units "seconds";
            description
              "The number of seconds that a router's Hello
packets have not been seen before its
neighbors declare the router down.  This should be
some multiple of the Hello interval.  This
value must be the same for the virtual neighbor.";
          }

          leaf ospfVirtIfState {
            smiv2:defval "down";
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.9.1.7";
            type enumeration {
              enum "down" {
                value 1;
              }
              enum "pointToPoint" {
                value 4;
              }
            }
            description
              "OSPF virtual interface states.";
          }

          leaf ospfVirtIfEvents {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.9.1.8";
            type yang:counter32;
            description
              "The number of state changes or error events on
this virtual link.

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

          leaf ospfVirtIfAuthKey {
            smiv2:defval "'0000000000000000'H";
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.14.9.1.9";
            type binary {
              length "0..256";
            }
            description
              "The cleartext password used as an OSPF
authentication key when simplePassword security
is enabled.  This object does not access any OSPF
cryptogaphic (e.g., MD5) authentication key under
any circumstance.

If the key length is shorter than 8 octets, the
agent will left adjust and zero fill to 8 octets.

Unauthenticated interfaces need no authentication
key, and simple password authentication cannot use
a key of more than 8 octets.

Note that the use of simplePassword authentication
is NOT recommended when there is concern regarding
attack upon the OSPF system.  SimplePassword
authentication is only sufficient to protect against
accidental misconfigurations because it re-uses
cleartext passwords.  [RFC1704]

When read, ospfIfAuthKey always returns an octet
string of length zero.";
            reference
              "OSPF Version 2, Section 9 The Interface Data
              Structure";

          }

          leaf ospfVirtIfStatus {
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.14.9.1.10";
            type snmpv2-tc:RowStatus;
            description
              "This object permits management of the table by
facilitating actions such as row creation,
construction, and destruction.

The value of this object has no effect on
whether other objects in this conceptual row can be
modified.";
          }

          leaf ospfVirtIfAuthType {
            smiv2:defval "none";
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.14.9.1.11";
            type OspfAuthenticationType;
            description
              "The authentication type specified for a virtual interface.

Note that this object can be used to engage
in significant attacks against an OSPF router.";
            reference
              "OSPF Version 2, Appendix E Authentication";

          }

          leaf ospfVirtIfLsaCount {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.9.1.12";
            type yang:gauge32;
            description
              "The total number of link-local link state advertisements
in this virtual interface's link-local link state database.";
          }

          leaf ospfVirtIfLsaCksumSum {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.9.1.13";
            type uint32;
            description
              "The 32-bit unsigned sum of the link state
advertisements' LS checksums contained in this
virtual interface's link-local link state database.
The sum can be used to determine if there has
been a change in the virtual interface's link state
database, and to compare the virtual interface
link state database of the virtual neighbors.";
          }

          leaf cospfVirtIfLsaCount {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.4.1.9.10.99.5.1.1";
            type yang:gauge32;
            description
              "The total number of link-local link state advertisements
in this virtual interface's link-local link state database.";
            reference
              "The OSPF Opaque LSA Option (RFC 2370)";

          }

          leaf cospfVirtIfLsaCksumSum {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.4.1.9.10.99.5.1.2";
            type uint32 {
              range "0..4294967295";
            }
            description
              "The 32-bit unsigned sum of the link-state advertisements'
LS checksums contained in this
virtual interface's link-local link state database.
The sum can be used to determine if there has
been a change in the virtual interface's link state database,
and to compare the virtual interface link-state
database of the virtual neighbors.";
            reference
              "The OSPF Opaque LSA Option (RFC 2370)";

          }
        }  // list ospfVirtIfEntry
      }  // container ospfVirtIfTable

      container ospfNbrTable {
        smiv2:oid "1.3.6.1.2.1.14.10";
        description
          "A table describing all non-virtual neighbors
in the locality of the OSPF router.";
        reference
          "OSPF Version 2, Section 10 The Neighbor Data
          Structure";

        list ospfNbrEntry {
          smiv2:oid "1.3.6.1.2.1.14.10.1";
          key "ospfNbrIpAddr ospfNbrAddressLessIndex";
          description
            "The information regarding a single neighbor.

Information in this table is persistent and when this object
is written the entity SHOULD save the change to non-volatile

storage.";
          reference
            "OSPF Version 2, Section 10 The Neighbor Data
            Structure";

          leaf ospfNbrIpAddr {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.10.1.1";
            type inet:ipv4-address;
            description
              "The IP address this neighbor is using in its
IP source address.  Note that, on addressless
links, this will not be 0.0.0.0 but the

address of another of the neighbor's interfaces.";
          }

          leaf ospfNbrAddressLessIndex {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.10.1.2";
            type if-mib:InterfaceIndexOrZero;
            description
              "On an interface having an IP address, zero.
On addressless interfaces, the corresponding
value of ifIndex in the Internet Standard MIB.
On row creation, this can be derived from the
instance.";
          }

          leaf ospfNbrRtrId {
            smiv2:defval "'00000000'H";
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.10.1.3";
            type RouterID;
            description
              "A 32-bit integer (represented as a type
IpAddress) uniquely identifying the neighboring
router in the Autonomous System.";
          }

          leaf ospfNbrOptions {
            smiv2:defval "0";
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.10.1.4";
            type int32;
            description
              "A bit mask corresponding to the neighbor's
options field.

Bit 0, if set, indicates that the system will
operate on Type of Service metrics other than
TOS 0.  If zero, the neighbor will ignore all
metrics except the TOS 0 metric.

Bit 1, if set, indicates that the associated
area accepts and operates on external
information; if zero, it is a stub area.

Bit 2, if set, indicates that the system is
capable of routing IP multicast datagrams, that is
that it implements the multicast extensions to
OSPF.

Bit 3, if set, indicates that the associated
area is an NSSA.  These areas are capable of
carrying type-7 external advertisements, which
are translated into type-5 external advertisements
at NSSA borders.";
            reference
              "OSPF Version 2, Section 12.1.2 Options";

          }

          leaf ospfNbrPriority {
            smiv2:defval "1";
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.14.10.1.5";
            type DesignatedRouterPriority;
            description
              "The priority of this neighbor in the designated
router election algorithm.  The value 0 signifies
that the neighbor is not eligible to become
the designated router on this particular network.";
          }

          leaf ospfNbrState {
            smiv2:defval "down";
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.10.1.6";
            type enumeration {
              enum "down" {
                value 1;
              }
              enum "attempt" {
                value 2;
              }
              enum "init" {
                value 3;
              }
              enum "twoWay" {
                value 4;
              }
              enum "exchangeStart" {
                value 5;
              }
              enum "exchange" {
                value 6;
              }
              enum "loading" {
                value 7;
              }
              enum "full" {
                value 8;
              }
            }
            description
              "The state of the relationship with this neighbor.";
            reference
              "OSPF Version 2, Section 10.1 Neighbor States";

          }

          leaf ospfNbrEvents {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.10.1.7";
            type yang:counter32;
            description
              "The number of times this neighbor relationship
has changed state or an error has occurred.

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

          leaf ospfNbrLsRetransQLen {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.10.1.8";
            type yang:gauge32;
            description
              "The current length of the retransmission
queue.";
          }

          leaf ospfNbmaNbrStatus {
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.14.10.1.9";
            type snmpv2-tc:RowStatus;
            description
              "This object permits management of the table by
facilitating actions such as row creation,
construction, and destruction.

The value of this object has no effect on
whether other objects in this conceptual row can be
modified.";
          }

          leaf ospfNbmaNbrPermanence {
            smiv2:defval "permanent";
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.10.1.10";
            type enumeration {
              enum "dynamic" {
                value 1;
              }
              enum "permanent" {
                value 2;
              }
            }
            description
              "This variable displays the status of the entry;
'dynamic' and 'permanent' refer to how the neighbor
became known.";
          }

          leaf ospfNbrHelloSuppressed {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.10.1.11";
            type boolean;
            description
              "Indicates whether Hellos are being suppressed
to the neighbor.";
          }

          leaf ospfNbrRestartHelperStatus {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.10.1.12";
            type enumeration {
              enum "notHelping" {
                value 1;
              }
              enum "helping" {
                value 2;
              }
            }
            description
              "Indicates whether the router is acting
as a graceful restart helper for the neighbor.";
          }

          leaf ospfNbrRestartHelperAge {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.10.1.13";
            type uint32;
            units "seconds";
            description
              "Remaining time in current OSPF graceful restart
interval, if the router is acting as a restart
helper for the neighbor.";
          }

          leaf ospfNbrRestartHelperExitReason {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.10.1.14";
            type enumeration {
              enum "none" {
                value 1;
              }
              enum "inProgress" {
                value 2;
              }
              enum "completed" {
                value 3;
              }
              enum "timedOut" {
                value 4;
              }
              enum "topologyChanged" {
                value 5;
              }
            }
            description
              "Describes the outcome of the last attempt at acting
as a graceful restart helper for the neighbor.";
          }
        }  // list ospfNbrEntry
      }  // container ospfNbrTable

      container ospfVirtNbrTable {
        smiv2:oid "1.3.6.1.2.1.14.11";
        description
          "This table describes all virtual neighbors.
Since virtual links are configured
in the Virtual Interface Table, this table is read-only.";
        reference
          "OSPF Version 2, Section 15 Virtual Links";

        list ospfVirtNbrEntry {
          smiv2:oid "1.3.6.1.2.1.14.11.1";
          key "ospfVirtNbrArea ospfVirtNbrRtrId";
          description
            "Virtual neighbor information.";
          leaf ospfVirtNbrArea {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.11.1.1";
            type AreaID;
            description
              "The Transit Area Identifier.";
          }

          leaf ospfVirtNbrRtrId {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.11.1.2";
            type RouterID;
            description
              "A 32-bit integer uniquely identifying the
neighboring router in the Autonomous System.";
          }

          leaf ospfVirtNbrIpAddr {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.11.1.3";
            type inet:ipv4-address;
            description
              "The IP address this virtual neighbor is using.";
          }

          leaf ospfVirtNbrOptions {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.11.1.4";
            type int32;
            description
              "A bit mask corresponding to the neighbor's
options field.

Bit 1, if set, indicates that the system will
operate on Type of Service metrics other than
TOS 0.  If zero, the neighbor will ignore all
metrics except the TOS 0 metric.

Bit 2, if set, indicates that the system is
network multicast capable, i.e., that it
implements OSPF multicast routing.";
          }

          leaf ospfVirtNbrState {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.11.1.5";
            type enumeration {
              enum "down" {
                value 1;
              }
              enum "attempt" {
                value 2;
              }
              enum "init" {
                value 3;
              }
              enum "twoWay" {
                value 4;
              }
              enum "exchangeStart" {
                value 5;
              }
              enum "exchange" {
                value 6;
              }
              enum "loading" {
                value 7;
              }
              enum "full" {
                value 8;
              }
            }
            description
              "The state of the virtual neighbor relationship.";
          }

          leaf ospfVirtNbrEvents {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.11.1.6";
            type yang:counter32;
            description
              "The number of times this virtual link has
changed its state or an error has occurred.

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

          leaf ospfVirtNbrLsRetransQLen {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.11.1.7";
            type yang:gauge32;
            description
              "The current length of the retransmission
queue.";
          }

          leaf ospfVirtNbrHelloSuppressed {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.11.1.8";
            type boolean;
            description
              "Indicates whether Hellos are being suppressed
to the neighbor.";
          }

          leaf ospfVirtNbrRestartHelperStatus {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.11.1.9";
            type enumeration {
              enum "notHelping" {
                value 1;
              }
              enum "helping" {
                value 2;
              }
            }
            description
              "Indicates whether the router is acting
as a graceful restart helper for the neighbor.";
          }

          leaf ospfVirtNbrRestartHelperAge {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.11.1.10";
            type uint32;
            units "seconds";
            description
              "Remaining time in current OSPF graceful restart
interval, if the router is acting as a restart
helper for the neighbor.";
          }

          leaf ospfVirtNbrRestartHelperExitReason {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.11.1.11";
            type enumeration {
              enum "none" {
                value 1;
              }
              enum "inProgress" {
                value 2;
              }
              enum "completed" {
                value 3;
              }
              enum "timedOut" {
                value 4;
              }
              enum "topologyChanged" {
                value 5;
              }
            }
            description
              "Describes the outcome of the last attempt at acting
as a graceful restart helper for the neighbor.";
          }
        }  // list ospfVirtNbrEntry
      }  // container ospfVirtNbrTable

      container ospfExtLsdbTable {
        smiv2:oid "1.3.6.1.2.1.14.12";
        status deprecated;
        description
          "The OSPF Process's external LSA link state database.

This table is identical to the OSPF LSDB Table
in format, but contains only external link state
advertisements.  The purpose is to allow external

LSAs to be displayed once for the router rather
than once in each non-stub area.

Note that external LSAs are also in the AS-scope link state
database.";
        reference
          "OSPF Version 2, Section 12 Link State Advertisements";

        list ospfExtLsdbEntry {
          smiv2:oid "1.3.6.1.2.1.14.12.1";
          key "ospfExtLsdbType ospfExtLsdbLsid ospfExtLsdbRouterId";
          status deprecated;
          description
            "A single link state advertisement.";
          leaf ospfExtLsdbType {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.12.1.1";
            type enumeration {
              enum "asExternalLink" {
                value 5;
              }
            }
            status deprecated;
            description
              "The type of the link state advertisement.
Each link state type has a separate advertisement
format.";
            reference
              "OSPF Version 2, Appendix A.4.1 The Link State
              Advertisement header";

          }

          leaf ospfExtLsdbLsid {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.12.1.2";
            type inet:ipv4-address;
            status deprecated;
            description
              "The Link State ID is an LS Type Specific field
containing either a Router ID or an IP address;
it identifies the piece of the routing domain
that is being described by the advertisement.";
            reference
              "OSPF Version 2, Section 12.1.4 Link State ID";

          }

          leaf ospfExtLsdbRouterId {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.12.1.3";
            type RouterID;
            status deprecated;
            description
              "The 32-bit number that uniquely identifies the
originating router in the Autonomous System.";
            reference
              "OSPF Version 2, Appendix C.1 Global parameters";

          }

          leaf ospfExtLsdbSequence {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.12.1.4";
            type int32;
            status deprecated;
            description
              "The sequence number field is a signed 32-bit
integer.  It starts with the value '80000001'h,
or -'7FFFFFFF'h, and increments until '7FFFFFFF'h.
Thus, a typical sequence number will be very negative.
It is used to detect old and duplicate link state
advertisements.  The space of sequence numbers is linearly
ordered.  The larger the sequence number, the more recent
the advertisement.";
            reference
              "OSPF Version  2,  Section  12.1.6  LS  sequence
              number";

          }

          leaf ospfExtLsdbAge {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.12.1.5";
            type int32;
            units "seconds";
            status deprecated;
            description
              "This field is the age of the link state
advertisement in seconds.";
            reference
              "OSPF Version 2, Section 12.1.1 LS age";

          }

          leaf ospfExtLsdbChecksum {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.12.1.6";
            type int32;
            status deprecated;
            description
              "This field is the checksum of the complete
contents of the advertisement, excepting the
age field.  The age field is excepted so that
an advertisement's age can be incremented
without updating the checksum.  The checksum
used is the same that is used for ISO
connectionless datagrams; it is commonly referred
to as the Fletcher checksum.";
            reference
              "OSPF Version 2, Section 12.1.7 LS checksum";

          }

          leaf ospfExtLsdbAdvertisement {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.12.1.7";
            type binary {
              length "36";
            }
            status deprecated;
            description
              "The entire link state advertisement, including
its header.";
            reference
              "OSPF Version 2, Section 12  Link State
              Advertisements";

          }
        }  // list ospfExtLsdbEntry
      }  // container ospfExtLsdbTable

      container ospfAreaAggregateTable {
        smiv2:oid "1.3.6.1.2.1.14.14";
        description
          "The Area Aggregate Table acts as an adjunct
to the Area Table.  It describes those address aggregates
that are configured to be propagated from an area.
Its purpose is to reduce the amount of information
that is known beyond an Area's borders.

It contains a set of IP address ranges
specified by an IP address/IP network mask pair.
For example, a class B address range of X.X.X.X
with a network mask of 255.255.0.0 includes all IP
addresses from X.X.0.0 to X.X.255.255.

Note that if ranges are configured such that one range
subsumes another range (e.g., 10.0.0.0 mask 255.0.0.0
and 10.1.0.0 mask 255.255.0.0),
the most specific match is the preferred one.";
        reference
          "OSPF Version 2, Appendix C.2  Area parameters";

        list ospfAreaAggregateEntry {
          smiv2:oid "1.3.6.1.2.1.14.14.1";
          key "ospfAreaAggregateAreaID ospfAreaAggregateLsdbType ospfAreaAggregateNet ospfAreaAggregateMask";
          description
            "A single area aggregate entry.

Information in this table is persistent and when this object
is written the entity SHOULD save the change to non-volatile
storage.";
          reference
            "OSPF Version 2, Appendix C.2  Area parameters";

          leaf ospfAreaAggregateAreaID {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.14.1.1";
            type AreaID;
            description
              "The area within which the address aggregate is to be
found.";
            reference
              "OSPF Version 2, Appendix C.2 Area parameters";

          }

          leaf ospfAreaAggregateLsdbType {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.14.1.2";
            type enumeration {
              enum "summaryLink" {
                value 3;
              }
              enum "nssaExternalLink" {
                value 7;
              }
            }
            description
              "The type of the address aggregate.  This field
specifies the Lsdb type that this address
aggregate applies to.";
            reference
              "OSPF Version 2, Appendix A.4.1 The Link State
              Advertisement header";

          }

          leaf ospfAreaAggregateNet {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.14.1.3";
            type inet:ipv4-address;
            description
              "The IP address of the net or subnet indicated
by the range.";
            reference
              "OSPF Version 2, Appendix C.2 Area parameters";

          }

          leaf ospfAreaAggregateMask {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.14.1.4";
            type inet:ipv4-address;
            description
              "The subnet mask that pertains to the net or
subnet.";
            reference
              "OSPF Version 2, Appendix C.2 Area parameters";

          }

          leaf ospfAreaAggregateStatus {
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.14.14.1.5";
            type snmpv2-tc:RowStatus;
            description
              "This object permits management of the table by
facilitating actions such as row creation,
construction, and destruction.

The value of this object has no effect on
whether other objects in this conceptual row can be
modified.";
          }

          leaf ospfAreaAggregateEffect {
            smiv2:defval "advertiseMatching";
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.14.14.1.6";
            type enumeration {
              enum "advertiseMatching" {
                value 1;
              }
              enum "doNotAdvertiseMatching" {
                value 2;
              }
            }
            description
              "Subnets subsumed by ranges either trigger the
advertisement of the indicated aggregate
(advertiseMatching) or result in the subnet's not
being advertised at all outside the area.";
          }

          leaf ospfAreaAggregateExtRouteTag {
            smiv2:defval "0";
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.14.14.1.7";
            type uint32;
            description
              "External route tag to be included in NSSA (type-7)
LSAs.";
          }
        }  // list ospfAreaAggregateEntry
      }  // container ospfAreaAggregateTable

      container ospfLocalLsdbTable {
        smiv2:oid "1.3.6.1.2.1.14.17";
        description
          "The OSPF Process's link-local link state database
for non-virtual links.
This table is identical to the OSPF LSDB Table
in format, but contains only link-local Link State
Advertisements for non-virtual links.  The purpose is
to allow link-local LSAs to be displayed for each
non-virtual interface.  This table is implemented to
support type-9 LSAs that are defined
in 'The OSPF Opaque LSA Option'.";
        reference
          "OSPF Version 2, Section 12 Link State Advertisements
          and The OSPF Opaque LSA Option";

        list ospfLocalLsdbEntry {
          smiv2:oid "1.3.6.1.2.1.14.17.1";
          key "ospfLocalLsdbIpAddress ospfLocalLsdbAddressLessIf ospfLocalLsdbType ospfLocalLsdbLsid ospfLocalLsdbRouterId";
          description
            "A single link state advertisement.";
          leaf ospfLocalLsdbIpAddress {
            smiv2:max-access "not-accessible";
            smiv2:oid "1.3.6.1.2.1.14.17.1.1";
            type inet:ipv4-address;
            description
              "The IP address of the interface from
which the LSA was received if the interface is
numbered.";
            reference
              "OSPF Version 2, Appendix C.3 Interface parameters";

          }

          leaf ospfLocalLsdbAddressLessIf {
            smiv2:max-access "not-accessible";
            smiv2:oid "1.3.6.1.2.1.14.17.1.2";
            type if-mib:InterfaceIndexOrZero;
            description
              "The interface index of the interface from
which the LSA was received if the interface is
unnumbered.";
            reference
              "OSPF Version 2, Appendix C.3 Interface parameters";

          }

          leaf ospfLocalLsdbType {
            smiv2:max-access "not-accessible";
            smiv2:oid "1.3.6.1.2.1.14.17.1.3";
            type enumeration {
              enum "localOpaqueLink" {
                value 9;
              }
            }
            description
              "The type of the link state advertisement.
Each link state type has a separate
advertisement format.";
            reference
              "OSPF Version 2, Appendix A.4.1 The Link State
              Advertisement header";

          }

          leaf ospfLocalLsdbLsid {
            smiv2:max-access "not-accessible";
            smiv2:oid "1.3.6.1.2.1.14.17.1.4";
            type inet:ipv4-address;
            description
              "The Link State ID is an LS Type Specific field
containing a 32-bit identifier in IP address format;
it identifies the piece of the routing domain
that is being described by the advertisement.";
            reference
              "OSPF Version 2, Section 12.1.4 Link State ID";

          }

          leaf ospfLocalLsdbRouterId {
            smiv2:max-access "not-accessible";
            smiv2:oid "1.3.6.1.2.1.14.17.1.5";
            type RouterID;
            description
              "The 32-bit number that uniquely identifies the
originating router in the Autonomous System.";
            reference
              "OSPF Version 2, Appendix C.1 Global parameters";

          }

          leaf ospfLocalLsdbSequence {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.17.1.6";
            type int32;
            description
              "The sequence number field is a signed 32-bit
integer.  It starts with the value '80000001'h,
or -'7FFFFFFF'h, and increments until '7FFFFFFF'h.
Thus, a typical sequence number will be very negative.
It is used to detect old and duplicate link state
advertisements.  The space of sequence numbers is linearly
ordered.  The larger the sequence number, the more recent
the advertisement.";
            reference
              "OSPF Version 2, Section 12.1.6 LS sequence
              number";

          }

          leaf ospfLocalLsdbAge {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.17.1.7";
            type int32;
            units "seconds";
            description
              "This field is the age of the link state
advertisement in seconds.";
            reference
              "OSPF Version 2, Section 12.1.1 LS age";

          }

          leaf ospfLocalLsdbChecksum {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.17.1.8";
            type int32;
            description
              "This field is the checksum of the complete
contents of the advertisement, excepting the
age field.  The age field is excepted so that
an advertisement's age can be incremented
without updating the checksum.  The checksum
used is the same that is used for ISO
connectionless datagrams; it is commonly referred
to as the Fletcher checksum.";
            reference
              "OSPF Version 2, Section 12.1.7 LS checksum";

          }

          leaf ospfLocalLsdbAdvertisement {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.17.1.9";
            type binary {
              length "1..65535";
            }
            description
              "The entire link state advertisement, including
its header.

Note that for variable length LSAs, SNMP agents
may not be able to return the largest string size.";
            reference
              "OSPF Version 2, Section 12 Link State
              Advertisements";

          }
        }  // list ospfLocalLsdbEntry
      }  // container ospfLocalLsdbTable

      container ospfVirtLocalLsdbTable {
        smiv2:oid "1.3.6.1.2.1.14.18";
        description
          "The OSPF Process's link-local link state database
for virtual links.

This table is identical to the OSPF LSDB Table
in format, but contains only link-local Link State
Advertisements for virtual links.  The purpose is to
allow link-local LSAs to be displayed for each virtual
interface.  This table is implemented to support type-9 LSAs
that are defined in 'The OSPF Opaque LSA Option'.";
        reference
          "OSPF Version 2, Section 12 Link State
          Advertisements and The OSPF Opaque LSA Option";

        list ospfVirtLocalLsdbEntry {
          smiv2:oid "1.3.6.1.2.1.14.18.1";
          key "ospfVirtLocalLsdbTransitArea ospfVirtLocalLsdbNeighbor ospfVirtLocalLsdbType ospfVirtLocalLsdbLsid ospfVirtLocalLsdbRouterId";
          description
            "A single link state advertisement.";
          leaf ospfVirtLocalLsdbTransitArea {
            smiv2:max-access "not-accessible";
            smiv2:oid "1.3.6.1.2.1.14.18.1.1";
            type AreaID;
            description
              "The transit area that the virtual link
traverses.  By definition, this is not 0.0.0.0.";
            reference
              "OSPF Version 2, Appendix C.3 Interface parameters";

          }

          leaf ospfVirtLocalLsdbNeighbor {
            smiv2:max-access "not-accessible";
            smiv2:oid "1.3.6.1.2.1.14.18.1.2";
            type RouterID;
            description
              "The Router ID of the virtual neighbor.";
            reference
              "OSPF Version 2, Appendix C.3 Interface parameters";

          }

          leaf ospfVirtLocalLsdbType {
            smiv2:max-access "not-accessible";
            smiv2:oid "1.3.6.1.2.1.14.18.1.3";
            type enumeration {
              enum "localOpaqueLink" {
                value 9;
              }
            }
            description
              "The type of the link state advertisement.
Each link state type has a separate
advertisement format.";
            reference
              "OSPF Version 2, Appendix A.4.1 The Link State
              Advertisement header";

          }

          leaf ospfVirtLocalLsdbLsid {
            smiv2:max-access "not-accessible";
            smiv2:oid "1.3.6.1.2.1.14.18.1.4";
            type inet:ipv4-address;
            description
              "The Link State ID is an LS Type Specific field
containing a 32-bit identifier in IP address format;
it identifies the piece of the routing domain
that is being described by the advertisement.";
            reference
              "OSPF Version 2, Section 12.1.4 Link State ID";

          }

          leaf ospfVirtLocalLsdbRouterId {
            smiv2:max-access "not-accessible";
            smiv2:oid "1.3.6.1.2.1.14.18.1.5";
            type RouterID;
            description
              "The 32-bit number that uniquely identifies the
originating router in the Autonomous System.";
            reference
              "OSPF Version 2, Appendix C.1 Global parameters";

          }

          leaf ospfVirtLocalLsdbSequence {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.18.1.6";
            type int32;
            description
              "The sequence number field is a signed 32-bit
integer.  It starts with the value '80000001'h,
or -'7FFFFFFF'h, and increments until '7FFFFFFF'h.
Thus, a typical sequence number will be very negative.
It is used to detect old and duplicate link state
advertisements.  The space of sequence numbers is linearly
ordered.  The larger the sequence number, the more recent
the advertisement.";
            reference
              "OSPF Version 2, Section 12.1.6 LS sequence
              number";

          }

          leaf ospfVirtLocalLsdbAge {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.18.1.7";
            type int32;
            units "seconds";
            description
              "This field is the age of the link state
advertisement in seconds.";
            reference
              "OSPF Version 2, Section 12.1.1 LS age";

          }

          leaf ospfVirtLocalLsdbChecksum {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.18.1.8";
            type int32;
            description
              "This field is the checksum of the complete
contents of the advertisement, excepting the
age field.  The age field is excepted so that

an advertisement's age can be incremented
without updating the checksum.  The checksum
used is the same that is used for ISO
connectionless datagrams; it is commonly
referred to as the Fletcher checksum.";
            reference
              "OSPF Version 2, Section 12.1.7 LS checksum";

          }

          leaf ospfVirtLocalLsdbAdvertisement {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.18.1.9";
            type binary {
              length "1..65535";
            }
            description
              "The entire link state advertisement, including
its header.";
            reference
              "OSPF Version 2, Section 12 Link State
              Advertisements.
              
              Note that for variable length LSAs, SNMP agents
              may not be able to return the largest string size.";

          }
        }  // list ospfVirtLocalLsdbEntry
      }  // container ospfVirtLocalLsdbTable

      container ospfAsLsdbTable {
        smiv2:oid "1.3.6.1.2.1.14.19";
        description
          "The OSPF Process's AS-scope LSA link state database.
The database contains the AS-scope Link State
Advertisements from throughout the areas that
the device is attached to.

This table is identical to the OSPF LSDB Table
in format, but contains only AS-scope Link State
Advertisements.  The purpose is to allow AS-scope
LSAs to be displayed once for the router rather
than once in each non-stub area.";
        reference
          "OSPF Version 2, Section 12 Link State
          Advertisements";

        list ospfAsLsdbEntry {
          smiv2:oid "1.3.6.1.2.1.14.19.1";
          key "ospfAsLsdbType ospfAsLsdbLsid ospfAsLsdbRouterId";
          description
            "A single link state advertisement.";
          leaf ospfAsLsdbType {
            smiv2:max-access "not-accessible";
            smiv2:oid "1.3.6.1.2.1.14.19.1.1";
            type enumeration {
              enum "asExternalLink" {
                value 5;
              }
              enum "asOpaqueLink" {
                value 11;
              }
            }
            description
              "The type of the link state advertisement.
Each link state type has a separate
advertisement format.";
            reference
              "OSPF Version 2, Appendix A.4.1 The Link State
              Advertisement header";

          }

          leaf ospfAsLsdbLsid {
            smiv2:max-access "not-accessible";
            smiv2:oid "1.3.6.1.2.1.14.19.1.2";
            type inet:ipv4-address;
            description
              "The Link State ID is an LS Type Specific field
containing either a Router ID or an IP address;

it identifies the piece of the routing domain
that is being described by the advertisement.";
            reference
              "OSPF Version 2, Section 12.1.4 Link State ID";

          }

          leaf ospfAsLsdbRouterId {
            smiv2:max-access "not-accessible";
            smiv2:oid "1.3.6.1.2.1.14.19.1.3";
            type RouterID;
            description
              "The 32-bit number that uniquely identifies the
originating router in the Autonomous System.";
            reference
              "OSPF Version 2, Appendix C.1 Global parameters";

          }

          leaf ospfAsLsdbSequence {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.19.1.4";
            type int32;
            description
              "The sequence number field is a signed 32-bit
integer.  It starts with the value '80000001'h,
or -'7FFFFFFF'h, and increments until '7FFFFFFF'h.
Thus, a typical sequence number will be very negative.
It is used to detect old and duplicate link state
advertisements.  The space of sequence numbers is linearly
ordered.  The larger the sequence number, the more recent
the advertisement.";
            reference
              "OSPF Version  2,  Section  12.1.6  LS  sequence
              number";

          }

          leaf ospfAsLsdbAge {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.19.1.5";
            type int32;
            units "seconds";
            description
              "This field is the age of the link state
advertisement in seconds.";
            reference
              "OSPF Version 2, Section 12.1.1 LS age";

          }

          leaf ospfAsLsdbChecksum {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.19.1.6";
            type int32;
            description
              "This field is the checksum of the complete
contents of the advertisement, excepting the
age field.  The age field is excepted so that
an advertisement's age can be incremented
without updating the checksum.  The checksum
used is the same that is used for ISO
connectionless datagrams; it is commonly referred
to as the Fletcher checksum.";
            reference
              "OSPF Version 2, Section 12.1.7 LS checksum";

          }

          leaf ospfAsLsdbAdvertisement {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.19.1.7";
            type binary {
              length "1..65535";
            }
            description
              "The entire link state advertisement, including
its header.";
            reference
              "OSPF Version 2, Section 12 Link State
              Advertisements.
              
              Note that for variable length LSAs, SNMP agents
              may not be able to return the largest string size.";

          }
        }  // list ospfAsLsdbEntry
      }  // container ospfAsLsdbTable

      container ospfAreaLsaCountTable {
        smiv2:oid "1.3.6.1.2.1.14.20";
        description
          "This table maintains per-area, per-LSA-type counters";
        list ospfAreaLsaCountEntry {
          smiv2:oid "1.3.6.1.2.1.14.20.1";
          key "ospfAreaLsaCountAreaId ospfAreaLsaCountLsaType";
          description
            "An entry with a number of link advertisements

of a given type for a given area.";
          leaf ospfAreaLsaCountAreaId {
            smiv2:max-access "not-accessible";
            smiv2:oid "1.3.6.1.2.1.14.20.1.1";
            type AreaID;
            description
              "This entry Area ID.";
          }

          leaf ospfAreaLsaCountLsaType {
            smiv2:max-access "not-accessible";
            smiv2:oid "1.3.6.1.2.1.14.20.1.2";
            type enumeration {
              enum "routerLink" {
                value 1;
              }
              enum "networkLink" {
                value 2;
              }
              enum "summaryLink" {
                value 3;
              }
              enum "asSummaryLink" {
                value 4;
              }
              enum "multicastLink" {
                value 6;
              }
              enum "nssaExternalLink" {
                value 7;
              }
              enum "areaOpaqueLink" {
                value 10;
              }
            }
            description
              "This entry LSA type.";
          }

          leaf ospfAreaLsaCountNumber {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.14.20.1.3";
            type yang:gauge32;
            description
              "Number of LSAs of a given type for a given area.";
          }
        }  // list ospfAreaLsaCountEntry
      }  // container ospfAreaLsaCountTable
    }  // container OSPF-MIB
  }  // module OSPF-MIB