module MPLS-LDP-STD-MIB {

    yang-version 1;

    namespace
      "urn:ietf:params:xml:ns:yang:smiv2:MPLS-LDP-STD-MIB";

    prefix MPLS-LDP-STD-MIB;

    import DIFFSERV-MIB {
      prefix diffserv-mib;
    }
    import INET-ADDRESS-MIB {
      prefix inet-address;
    }
    import MPLS-LSR-STD-MIB {
      prefix mpls-lsr;
    }
    import MPLS-TC-STD-MIB {
      prefix mpls-tc;
    }
    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
      "Multiprotocol Label Switching (mpls)
Working Group";

    contact
      "Joan Cucchiara (jcucchiara@mindspring.com)
Marconi Communications, Inc.

Hans Sjostrand (hans@ipunplugged.com)
ipUnplugged

James V. Luciani (james_luciani@mindspring.com)
Marconi Communications, Inc.

Working Group Chairs:
George Swallow,   email: swallow@cisco.com
Loa Andersson,    email: loa@pi.se

MPLS Working Group, email: mpls@uu.net";

    description
      "Copyright (C) The Internet Society (2004). The
initial version of this MIB module was published


in RFC 3815. For full legal notices see the RFC
itself or see:
http://www.ietf.org/copyrights/ianamib.html

This MIB contains managed object definitions for the
'Multiprotocol Label Switching, Label Distribution
Protocol, LDP' document.";

    revision "2004-06-03" {
      description
        "Initial version published as part of RFC 3815.";
    }

    smiv2:alias "mplsLdpEntityStatsTable" {
      description "This table is a read-only table which augments
the mplsLdpEntityTable.  The purpose of this
table is to keep statistical information about
the LDP Entities on the LSR.";
      smiv2:oid "1.3.6.1.2.1.10.166.4.1.2.4";
    }
    smiv2:alias "mplsLdpEntityStatsEntry" {
      description "A row in this table contains statistical information
about an LDP Entity.  Some counters contained in a
row are for fatal errors received during a former
LDP Session associated with this entry.  For example,
an LDP PDU received on a TCP connection during an
LDP Session contains a fatal error.  That
error is counted here, because the
session is terminated.

If the error is NOT fatal (i.e., the Session
remains), then the error is counted in the
mplsLdpSessionStatsEntry.";
      smiv2:oid "1.3.6.1.2.1.10.166.4.1.2.4.1";
    }
    smiv2:alias "mplsLdpSessionTable" {
      description "A table of Sessions between the LDP Entities
and LDP Peers.  This table AUGMENTS the
mplsLdpPeerTable.  Each row in this table
represents a single session.";
      smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.3";
    }
    smiv2:alias "mplsLdpSessionEntry" {
      description "An entry in this table represents information on a
single session between an LDP Entity and LDP Peer.
The information contained in a row is read-only.

Please note:  the Path Vector Limit for the
Session is the value which is configured in
the corresponding mplsLdpEntityEntry. The
Peer's Path Vector Limit is in the
mplsLdpPeerPathVectorLimit object in the
mplsLdpPeerTable.

Values which may differ from those configured are
noted in the objects of this table, the
mplsLdpAtmSessionTable and the
mplsLdpFrameRelaySessionTable. A value will
differ if it was negotiated between the
Entity and the Peer.  Values may or may not
be negotiated.  For example, if the values
are the same then no negotiation takes place.
If they are negotiated, then they may differ.";
      smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.3.1";
    }
    smiv2:alias "mplsLdpSessionStatsTable" {
      description "A table of statistics for Sessions between
LDP Entities and LDP Peers.  This table AUGMENTS


the mplsLdpPeerTable.";
      smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.4";
    }
    smiv2:alias "mplsLdpSessionStatsEntry" {
      description "An entry in this table represents statistical
information on a single session between an LDP
Entity and LDP Peer.";
      smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.4.1";
    }
    smiv2:alias "mplsLdpStdMIB" {
      smiv2:oid "1.3.6.1.2.1.10.166.4";
    }
    smiv2:alias "mplsLdpNotifications" {
      smiv2:oid "1.3.6.1.2.1.10.166.4.0";
    }
    smiv2:alias "mplsLdpObjects" {
      smiv2:oid "1.3.6.1.2.1.10.166.4.1";
    }
    smiv2:alias "mplsLdpLsrObjects" {
      smiv2:oid "1.3.6.1.2.1.10.166.4.1.1";
    }
    smiv2:alias "mplsLdpEntityObjects" {
      smiv2:oid "1.3.6.1.2.1.10.166.4.1.2";
    }
    smiv2:alias "mplsLdpSessionObjects" {
      smiv2:oid "1.3.6.1.2.1.10.166.4.1.3";
    }
    smiv2:alias "mplsLdpHelloAdjacencyObjects" {
      smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.5";
    }
    smiv2:alias "mplsFecObjects" {
      smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.8";
    }
    smiv2:alias "mplsLdpConformance" {
      smiv2:oid "1.3.6.1.2.1.10.166.4.2";
    }
    smiv2:alias "mplsLdpGroups" {
      smiv2:oid "1.3.6.1.2.1.10.166.4.2.1";
    }
    smiv2:alias "mplsLdpCompliances" {
      smiv2:oid "1.3.6.1.2.1.10.166.4.2.2";
    }

    container MPLS-LDP-STD-MIB {
      config false;
      container mplsLdpLsrObjects {
        smiv2:oid "1.3.6.1.2.1.10.166.4.1.1";
        leaf mplsLdpLsrId {
          smiv2:max-access "read-only";
          smiv2:oid "1.3.6.1.2.1.10.166.4.1.1.1";
          type mpls-tc:MplsLsrIdentifier;
          description
            "The Label Switching Router's Identifier.";
        }

        leaf mplsLdpLsrLoopDetectionCapable {
          smiv2:max-access "read-only";
          smiv2:oid "1.3.6.1.2.1.10.166.4.1.1.2";
          type enumeration {
            enum "none" {
              value 1;
            }
            enum "other" {
              value 2;
            }
            enum "hopCount" {
              value 3;
            }
            enum "pathVector" {
              value 4;
            }
            enum "hopCountAndPathVector" {
              value 5;
            }
          }
          description
            "A indication of whether this
Label Switching Router supports
loop detection.

none(1) -- Loop Detection is not supported
	   on this LSR.

other(2) -- Loop Detection is supported but
	    by a method other than those
	    listed below.

hopCount(3) -- Loop Detection is supported by
	       Hop Count only.

pathVector(4) -- Loop Detection is supported by
		 Path Vector only.

hopCountAndPathVector(5) -- Loop Detection is
		     supported by both Hop Count
		     And Path Vector.

Since Loop Detection is determined during
Session Initialization, an individual session
may not be running with loop detection.  This
object simply gives an indication of whether or not the
LSR has the ability to support Loop Detection and
which types.";
        }
      }  // container mplsLdpLsrObjects

      container mplsLdpEntityObjects {
        smiv2:oid "1.3.6.1.2.1.10.166.4.1.2";
        leaf mplsLdpEntityLastChange {
          smiv2:max-access "read-only";
          smiv2:oid "1.3.6.1.2.1.10.166.4.1.2.1";
          type yang:timestamp;
          description
            "The value of sysUpTime at the time of the most
recent addition or deletion of an entry
to/from the mplsLdpEntityTable/mplsLdpEntityStatsTable, or
the most recent change in value of any objects in the
mplsLdpEntityTable.


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

        leaf mplsLdpEntityIndexNext {
          smiv2:max-access "read-only";
          smiv2:oid "1.3.6.1.2.1.10.166.4.1.2.2";
          type diffserv-mib:IndexIntegerNextFree;
          description
            "This object contains an appropriate value to
be used for mplsLdpEntityIndex when creating
entries in the mplsLdpEntityTable. The value
0 indicates that no unassigned entries are
available.";
        }
      }  // container mplsLdpEntityObjects

      container mplsLdpSessionObjects {
        smiv2:oid "1.3.6.1.2.1.10.166.4.1.3";
        leaf mplsLdpPeerLastChange {
          smiv2:max-access "read-only";
          smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.1";
          type yang:timestamp;
          description
            "The value of sysUpTime at the time of the most
recent addition or deletion to/from the
mplsLdpPeerTable/mplsLdpSessionTable.";
        }

        leaf mplsLdpLspFecLastChange {
          smiv2:max-access "read-only";
          smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.9";
          type yang:timestamp;
          description
            "The value of sysUpTime at the time of the most
recent addition/deletion of an entry
to/from the mplsLdpLspFecTable or
the most recent change in values to any objects in the
mplsLdpLspFecTable.

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

      container mplsFecObjects {
        smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.8";
        leaf mplsFecLastChange {
          smiv2:max-access "read-only";
          smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.8.1";
          type yang:timestamp;
          description
            "The value of sysUpTime at the time of the most
recent addition/deletion of an entry
to/from the mplsLdpFectTable or
the most recent change in values to any objects
in the mplsLdpFecTable.

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

        leaf mplsFecIndexNext {
          smiv2:max-access "read-only";
          smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.8.2";
          type diffserv-mib:IndexIntegerNextFree;
          description
            "This object contains an appropriate value to
be used for mplsFecIndex when creating
entries in the mplsFecTable. The value
0 indicates that no unassigned entries are
available.";
        }
      }  // container mplsFecObjects

      container mplsLdpEntityTable {
        smiv2:oid "1.3.6.1.2.1.10.166.4.1.2.3";
        description
          "This table contains information about the
MPLS Label Distribution Protocol Entities which
exist on this Label Switching Router (LSR)
or Label Edge Router (LER).";
        list mplsLdpEntityEntry {
          smiv2:oid "1.3.6.1.2.1.10.166.4.1.2.3.1";
          key "mplsLdpEntityLdpId mplsLdpEntityIndex";
          description
            "An entry in this table represents an LDP entity.
An entry can be created by a network administrator
or by an SNMP agent as instructed by LDP.";
          leaf mplsLdpEntityLdpId {
            smiv2:max-access "not-accessible";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.2.3.1.1";
            type mpls-tc:MplsLdpIdentifier;
            description
              "The LDP identifier.";
            reference
              "RFC3036, LDP Specification, Section on LDP Identifiers.";

          }

          leaf mplsLdpEntityIndex {
            smiv2:max-access "not-accessible";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.2.3.1.2";
            type diffserv-mib:IndexInteger;
            description
              "This index is used as a secondary index to uniquely
identify this row.  Before creating a row in this table,
the 'mplsLdpEntityIndexNext' object should be retrieved.
That value should be used for the value of this index
when creating a row in this table.  NOTE:  if a value
of zero (0) is retrieved, that indicates that no rows
can be created in this table at this time.

A secondary index (this object) is meaningful to some
but not all, LDP implementations.  For example
an LDP implementation which uses PPP would
use this index to differentiate PPP sub-links.

Another way to use this index is to give this the
value of ifIndex.  However, this is dependant


on the implementation.";
          }

          leaf mplsLdpEntityProtocolVersion {
            smiv2:defval "1";
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.2.3.1.3";
            type uint32 {
              range "1..65535";
            }
            description
              "The version number of the LDP protocol which will be
used in the session initialization message.

Section 3.5.3 in the LDP Specification specifies
that the version of the LDP protocol is negotiated during
session establishment. The value of this object
represents the value that is sent in the initialization
message.";
            reference
              "RFC3036, LDP Specification, Section 3.5.3 Initialization
              Message.";

          }

          leaf mplsLdpEntityAdminStatus {
            smiv2:defval "enable";
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.2.3.1.4";
            type enumeration {
              enum "enable" {
                value 1;
              }
              enum "disable" {
                value 2;
              }
            }
            description
              "The administrative status of this LDP Entity.
If this object is changed from 'enable' to 'disable'
and this entity has already attempted to establish
contact with a Peer, then all contact with that
Peer is lost and all information from that Peer
needs to be removed from the MIB. (This implies
that the network management subsystem should clean
up any related entry in the mplsLdpPeerTable.  This
further implies that a 'tear-down' for that session
is issued and the session and all information related
to that session cease to exist).

At this point the operator is able to change values
which are related to this entity.

When the admin status is set back to 'enable', then
this Entity will attempt to establish a new session
with the Peer.";
          }

          leaf mplsLdpEntityOperStatus {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.2.3.1.5";
            type enumeration {
              enum "unknown" {
                value 1;
              }
              enum "enabled" {
                value 2;
              }
              enum "disabled" {
                value 3;
              }
            }
            description
              "The operational status of this LDP Entity.

The value of unknown(1) indicates that the
operational status cannot be determined at
this time.  The value of unknown should be
a transient condition before changing
to enabled(2) or disabled(3).";
          }

          leaf mplsLdpEntityTcpPort {
            smiv2:defval "646";
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.2.3.1.6";
            type inet:port-number;
            description
              "The TCP Port for
LDP.  The default value is the well-known
value of this port.";
            reference
              "RFC3036, LDP Specification, Section 3.10, Well-known
              Numbers, and Section 3.10.1.  UDP and TCP Ports.";

          }

          leaf mplsLdpEntityUdpDscPort {
            smiv2:defval "646";
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.2.3.1.7";
            type inet:port-number;
            description
              "The UDP Discovery Port for
LDP.  The default value is the
well-known value for this port.";
            reference
              "RFC3036, LDP Specification, Section 2.4.1,
              Basic Discovery Mechanism, Section 2.4.2,
              Extended Discovery Mechanism, Section
              3.10, Well-known Numbers, and Section 3.10.1.
              
              
              UDP and TCP Ports.";

          }

          leaf mplsLdpEntityMaxPduLength {
            smiv2:defval "4096";
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.2.3.1.8";
            type uint32 {
              range "256..65535";
            }
            units "octets";
            description
              "The maximum PDU Length that is sent in
the Common Session Parameters of an Initialization
Message. According to the LDP Specification [RFC3036]
a value of 255 or less specifies the
default maximum length of 4096 octets, this is why
the value of this object starts at 256.  The operator
should explicitly choose the default value (i.e., 4096),
or some other value.

The receiving LSR MUST calculate the maximum PDU
length for the session by using the smaller of its and
its peer's proposals for Max PDU Length.";
            reference
              "RFC3036, LDP Specification, Section 3.5.3.
              Initialization Message.";

          }

          leaf mplsLdpEntityKeepAliveHoldTimer {
            smiv2:defval "40";
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.2.3.1.9";
            type uint32 {
              range "1..65535";
            }
            units "seconds";
            description
              "The 16-bit integer value which is the proposed keep
alive hold timer for this LDP Entity.";
          }

          leaf mplsLdpEntityHelloHoldTimer {
            smiv2:defval "0";
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.2.3.1.10";
            type uint32 {
              range "0..65535";
            }
            units "seconds";
            description
              "The 16-bit integer value which is the proposed Hello
hold timer for this LDP Entity. The Hello Hold time
in seconds.


An LSR maintains a record of Hellos received
from potential peers.  This object represents
the Hold Time in the Common Hello Parameters TLV of
the Hello Message.

A value of 0 is a default value and should be
interpretted in conjunction with the
mplsLdpEntityTargetPeer object.

If the value of this object is 0: if the value of the
mplsLdpEntityTargetPeer object is false(2), then this
specifies that the Hold Time's actual default value is
15 seconds (i.e., the default Hold time for Link Hellos
is 15 seconds).  Otherwise if the value of the
mplsLdpEntityTargetPeer object is true(1), then this
specifies that the Hold Time's actual default value is
45 seconds (i.e., the default Hold time for Targeted
Hellos is 45 seconds).

A value of 65535 means infinite (i.e., wait forever).

All other values represent the amount of time in
seconds to wait for a Hello Message.  Setting the
hold time to a value smaller than 15 is not
recommended, although not forbidden according
to RFC3036.";
            reference
              "RFC3036, LDP Specification, Section 3.5.2.,
              Hello Message.";

          }

          leaf mplsLdpEntityInitSessionThreshold {
            smiv2:defval "8";
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.2.3.1.11";
            type int32 {
              range "0..100";
            }
            description
              "When attempting to establish a session with
a given Peer, the given LDP Entity should
send out the SNMP notification,
'mplsLdpInitSessionThresholdExceeded', when
the number of Session Initialization messages
sent exceeds this threshold.

The notification is used to notify an
operator when this Entity and its Peer are
possibly engaged in an endless sequence
of messages as each NAKs the other's


Initialization messages with Error Notification
messages.  Setting this threshold which triggers
the notification is one way to notify the
operator.  The notification should be generated
each time this threshold is exceeded and
for every subsequent Initialization message
which is NAK'd with an Error Notification
message after this threshold is exceeded.

A value of 0 (zero) for this object
indicates that the threshold is infinity, thus
the SNMP notification will never be generated.";
            reference
              "RFC3036, LDP Specification,
              Section 2.5.3 Session Initialization.";

          }

          leaf mplsLdpEntityLabelDistMethod {
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.2.3.1.12";
            type mpls-tc:MplsLabelDistributionMethod;
            description
              "For any given LDP session, the method of
label distribution must be specified.";
          }

          leaf mplsLdpEntityLabelRetentionMode {
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.2.3.1.13";
            type mpls-tc:MplsRetentionMode;
            description
              "The LDP Entity can be configured to use either
conservative or liberal label retention mode.

If the value of this object is conservative(1)
then advertized label mappings are retained
only if they will be used to forward packets,
i.e., if label came from a valid next hop.

If the value of this object is liberal(2)
then all advertized label mappings are retained
whether they are from a valid next hop or not.";
          }

          leaf mplsLdpEntityPathVectorLimit {
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.2.3.1.14";
            type int32 {
              range "0..255";
            }
            description
              "If the value of this object is 0 (zero) then
Loop Detection for Path Vectors is disabled.

Otherwise, if this object has a value greater than
zero, then Loop Dection for Path Vectors is enabled,
and the Path Vector Limit is this value.
Also, the value of the object,
'mplsLdpLsrLoopDetectionCapable', must be set to
either 'pathVector(4)' or 'hopCountAndPathVector(5)',
if this object has a value greater than 0 (zero),
otherwise it is ignored.";
            reference
              "RFC3036, LDP Specification, Section 2.8 Loop Dection,
              Section 3.4.5 Path Vector TLV.";

          }

          leaf mplsLdpEntityHopCountLimit {
            smiv2:defval "0";
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.2.3.1.15";
            type int32 {
              range "0..255";
            }
            description
              "If the value of this object is 0 (zero),
then Loop Detection using Hop Counters is
disabled.

If the value of this object is greater than
0 (zero) then Loop Detection using Hop
Counters is enabled, and this object
specifies this Entity's maximum allowable
value for the Hop Count.
Also, the value of the object
mplsLdpLsrLoopDetectionCapable must be set
to either 'hopCount(3)' or
'hopCountAndPathVector(5)' if this object
has a value greater than 0 (zero), otherwise
it is ignored.";
          }

          leaf mplsLdpEntityTransportAddrKind {
            smiv2:defval "loopback";
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.2.3.1.16";
            type enumeration {
              enum "interface" {
                value 1;
              }
              enum "loopback" {
                value 2;
              }
            }
            description
              "This specifies whether the loopback or interface
address is to be used as the transport address
in the transport address TLV of the
hello message.

If the value is interface(1), then the IP
address of the interface from which hello
messages are sent is used as the transport
address in the hello message.

Otherwise, if the value is loopback(2), then the IP
address of the loopback interface is used as the
transport address in the hello message.";
          }

          leaf mplsLdpEntityTargetPeer {
            smiv2:defval "false";
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.2.3.1.17";
            type boolean;
            description
              "If this LDP entity uses targeted peer then set
this to true.";
          }

          leaf mplsLdpEntityTargetPeerAddrType {
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.2.3.1.18";
            type inet-address:InetAddressType;
            description
              "The type of the internetwork layer address used for
the Extended Discovery.  This object indicates how
the value of mplsLdpEntityTargetPeerAddr is to
be interpreted.";
          }

          leaf mplsLdpEntityTargetPeerAddr {
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.2.3.1.19";
            type inet-address:InetAddress;
            description
              "The value of the internetwork layer address
used for the Extended Discovery.  The value of
mplsLdpEntityTargetPeerAddrType specifies how
this address is to be interpreted.";
          }

          leaf mplsLdpEntityLabelType {
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.2.3.1.20";
            type mpls-tc:MplsLdpLabelType;
            description
              "Specifies the optional parameters for the LDP
Initialization Message.

If the value is generic(1) then no
optional parameters will be sent in
the LDP Initialization message associated
with this Entity.

If the value is atmParameters(2) then
a row must be created in the
mplsLdpEntityAtmTable, which
corresponds to this entry.

If the value is frameRelayParameters(3) then
a row must be created in the
mplsLdpEntityFrameRelayTable, which
corresponds to this entry.";
            reference
              "RFC3036, LDP Specification, Section 3.5.3.,
              Initialization Message.";

          }

          leaf mplsLdpEntityDiscontinuityTime {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.2.3.1.21";
            type yang:timestamp;
            description
              "The value of sysUpTime on the most recent occasion
at which any one or more of this entity's counters
suffered a discontinuity.  The relevant counters
are the specific instances associated with this
entity of any Counter32 object contained
in the 'mplsLdpEntityStatsTable'.  If no such
discontinuities have occurred since the last
re-initialization of the local management
subsystem, then this object contains a zero
value.";
          }

          leaf mplsLdpEntityStorageType {
            smiv2:defval "nonVolatile";
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.2.3.1.22";
            type snmpv2-tc:StorageType;
            description
              "The storage type for this conceptual row.
Conceptual rows having the value 'permanent(4)'
need not allow write-access to any columnar
objects in the row.";
          }

          leaf mplsLdpEntityRowStatus {
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.2.3.1.23";
            type snmpv2-tc:RowStatus;
            description
              "The status of this conceptual row.  All writable
objects in this row may be modified at any
time, however, as described in detail in
the section entitled, 'Changing Values After
Session Establishment', and again described
in the DESCRIPTION clause of the
mplsLdpEntityAdminStatus object, if a session
has been initiated with a Peer, changing objects
in this table will wreak havoc with the session
and interrupt traffic.  To repeat again:
the recommended procedure is to
set the mplsLdpEntityAdminStatus to down, thereby
explicitly causing a session to be torn down. Then,
change objects in this entry, then set
the mplsLdpEntityAdminStatus to enable,
which enables a new session to be initiated.";
          }

          leaf mplsLdpEntityStatsSessionAttempts {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.2.4.1.1";
            type yang:counter32;
            description
              "A count of the Session Initialization messages
which were sent or received by this LDP Entity and
were NAK'd.   In other words, this counter counts
the number of session initializations that failed.

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
mplsLdpEntityDiscontinuityTime.";
          }

          leaf mplsLdpEntityStatsSessionRejectedNoHelloErrors {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.2.4.1.2";
            type yang:counter32;
            description
              "A count of the Session Rejected/No Hello Error
Notification Messages sent or received by
this LDP Entity.

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
mplsLdpEntityDiscontinuityTime.";
          }

          leaf mplsLdpEntityStatsSessionRejectedAdErrors {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.2.4.1.3";
            type yang:counter32;
            description
              "A count of the Session Rejected/Parameters
Advertisement Mode Error Notification Messages sent
or received by this LDP Entity.

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
mplsLdpEntityDiscontinuityTime.";
          }

          leaf mplsLdpEntityStatsSessionRejectedMaxPduErrors {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.2.4.1.4";
            type yang:counter32;
            description
              "A count of the Session Rejected/Parameters

Max Pdu Length Error Notification Messages sent
or received by this LDP Entity.

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
mplsLdpEntityDiscontinuityTime.";
          }

          leaf mplsLdpEntityStatsSessionRejectedLRErrors {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.2.4.1.5";
            type yang:counter32;
            description
              "A count of the Session Rejected/Parameters
Label Range Notification Messages sent
or received by this LDP Entity.

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
mplsLdpEntityDiscontinuityTime.";
          }

          leaf mplsLdpEntityStatsBadLdpIdentifierErrors {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.2.4.1.6";
            type yang:counter32;
            description
              "This object counts the number of Bad LDP Identifier
Fatal Errors detected by the session(s)
(past and present) associated with this LDP Entity.

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
mplsLdpEntityDiscontinuityTime.";
            reference
              "RFC3036, LDP Specification, Section 3.5.1.2.";

          }

          leaf mplsLdpEntityStatsBadPduLengthErrors {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.2.4.1.7";
            type yang:counter32;
            description
              "This object counts the number of Bad PDU Length
Fatal Errors detected by the session(s)
(past and present) associated with this LDP Entity.

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
mplsLdpEntityDiscontinuityTime.";
            reference
              "RFC3036, LDP Specification, Section 3.5.1.2.";

          }

          leaf mplsLdpEntityStatsBadMessageLengthErrors {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.2.4.1.8";
            type yang:counter32;
            description
              "This object counts the number of Bad Message
Length Fatal Errors detected by the session(s)
(past and present) associated with this LDP Entity.

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
mplsLdpEntityDiscontinuityTime.";
            reference
              "RFC3036, LDP Specification, Section 3.5.1.2.";

          }

          leaf mplsLdpEntityStatsBadTlvLengthErrors {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.2.4.1.9";
            type yang:counter32;
            description
              "This object counts the number of Bad TLV
Length Fatal Errors detected by the session(s)
(past and present) associated with this LDP Entity.

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
mplsLdpEntityDiscontinuityTime.";
            reference
              "RFC3036, LDP Specification, Section 3.5.1.2.";

          }

          leaf mplsLdpEntityStatsMalformedTlvValueErrors {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.2.4.1.10";
            type yang:counter32;
            description
              "This object counts the number of Malformed TLV
Value Fatal Errors detected by the session(s)
(past and present) associated with this
LDP Entity.

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
mplsLdpEntityDiscontinuityTime.";
            reference
              "RFC3036, LDP Specification, Section 3.5.1.2.";

          }

          leaf mplsLdpEntityStatsKeepAliveTimerExpErrors {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.2.4.1.11";
            type yang:counter32;
            description
              "This object counts the number of Session Keep Alive
Timer Expired Errors detected by the session(s)
(past and present) associated with this LDP Entity.

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
mplsLdpEntityDiscontinuityTime.";
            reference
              "RFC3036, LDP Specification, Section 3.5.1.2.";

          }

          leaf mplsLdpEntityStatsShutdownReceivedNotifications {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.2.4.1.12";
            type yang:counter32;
            description
              "This object counts the number of Shutdown Notifications
received related to session(s) (past and present)
associated with this LDP Entity.

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
mplsLdpEntityDiscontinuityTime.";
          }

          leaf mplsLdpEntityStatsShutdownSentNotifications {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.2.4.1.13";
            type yang:counter32;
            description
              "This object counts the number of Shutdown Notfications
sent related to session(s) (past and present) associated
with this LDP Entity.

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


mplsLdpEntityDiscontinuityTime.";
          }
        }  // list mplsLdpEntityEntry
      }  // container mplsLdpEntityTable

      container mplsLdpPeerTable {
        smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.2";
        description
          "Information about LDP peers known by Entities in
the mplsLdpEntityTable.  The information in this table
is based on information from the Entity-Peer interaction
during session initialization but is not appropriate
for the mplsLdpSessionTable, because objects in this
table may or may not be used in session establishment.";
        list mplsLdpPeerEntry {
          smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.2.1";
          key "mplsLdpEntityLdpId mplsLdpEntityIndex mplsLdpPeerLdpId";
          description
            "Information about a single Peer which is related
to a Session.  This table is augmented by
the mplsLdpSessionTable.";
          leaf mplsLdpEntityLdpId {
            type leafref {
              path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpEntityTable/MPLS-LDP-STD-MIB:mplsLdpEntityEntry/MPLS-LDP-STD-MIB:mplsLdpEntityLdpId";
            }
          }

          leaf mplsLdpEntityIndex {
            type leafref {
              path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpEntityTable/MPLS-LDP-STD-MIB:mplsLdpEntityEntry/MPLS-LDP-STD-MIB:mplsLdpEntityIndex";
            }
          }

          leaf mplsLdpPeerLdpId {
            smiv2:max-access "not-accessible";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.2.1.1";
            type mpls-tc:MplsLdpIdentifier;
            description
              "The LDP identifier of this LDP Peer.";
          }

          leaf mplsLdpPeerLabelDistMethod {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.2.1.2";
            type mpls-tc:MplsLabelDistributionMethod;
            description
              "For any given LDP session, the method of
label distribution must be specified.";
          }

          leaf mplsLdpPeerPathVectorLimit {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.2.1.3";
            type int32 {
              range "0..255";
            }
            description
              "If the value of this object is 0 (zero) then
Loop Dection for Path Vectors for this Peer
is disabled.

Otherwise, if this object has a value greater than
zero, then Loop Dection for Path  Vectors for this
Peer is enabled and the Path Vector Limit is this value.";
            reference
              "RFC3036, LDP Specification, Section 2.8 Loop Dection,
              Section 3.4.5 Path Vector TLV.";

          }

          leaf mplsLdpPeerTransportAddrType {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.2.1.4";
            type inet-address:InetAddressType;
            description
              "The type of the Internet address for the
mplsLdpPeerTransportAddr object.  The LDP
specification describes this as being either
an IPv4 Transport Address or IPv6 Transport


Address which is used in opening the LDP session's
TCP connection, or if the optional TLV is not
present, then this is the IPv4/IPv6 source
address for the UPD packet carrying the Hellos.

This object specifies how the value of the
mplsLdpPeerTransportAddr object should be
interpreted.";
            reference
              "RFC3036, LDP Specification, Section 2.5.2
              Transport Connection Establishment and
              Section 3.5.2.1 Hello Message Procedures.";

          }

          leaf mplsLdpPeerTransportAddr {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.2.1.5";
            type inet-address:InetAddress;
            description
              "The Internet address advertised by the peer
in the Hello Message or the Hello source address.

The type of this address is specified by the
value of the mplsLdpPeerTransportAddrType
object.";
            reference
              "RFC3036, LDP Specification, Section 2.5.2
              Transport Connection Establishment and
              Section 3.5.2.1 Hello Message Procedures.";

          }

          leaf mplsLdpSessionStateLastChange {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.3.1.1";
            type yang:timestamp;
            description
              "The value of sysUpTime at the time this
Session entered its current state as
denoted by the mplsLdpSessionState
object.";
          }

          leaf mplsLdpSessionState {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.3.1.2";
            type enumeration {
              enum "nonexistent" {
                value 1;
              }
              enum "initialized" {
                value 2;
              }
              enum "openrec" {
                value 3;
              }
              enum "opensent" {
                value 4;
              }
              enum "operational" {
                value 5;
              }
            }
            description
              "The current state of the session, all of the
states 1 to 5 are based on the state machine
for session negotiation behavior.";
            reference
              "RFC3036, LDP Specification, Section 2.5.4,
              Initialization State Machine.";

          }

          leaf mplsLdpSessionRole {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.3.1.3";
            type enumeration {
              enum "unknown" {
                value 1;
              }
              enum "active" {
                value 2;
              }
              enum "passive" {
                value 3;
              }
            }
            description
              "During session establishment the LSR/LER takes either
the active role or the passive role based on address
comparisons.  This object indicates whether this LSR/LER
was behaving in an active role or passive role during
this session's establishment.

The value of unknown(1), indicates that the role is not
able to be determined at the present time.";
            reference
              "RFC3036, LDP Specification, Section 2.5.3.,
              Session Initialization";

          }

          leaf mplsLdpSessionProtocolVersion {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.3.1.4";
            type uint32 {
              range "1..65535";
            }
            description
              "The version of the LDP Protocol which
this session is using.  This is the version of


the LDP protocol which has been negotiated
during session initialization.";
            reference
              "RFC3036, LDP Specification, Section 3.5.3,
              Initialization Message.";

          }

          leaf mplsLdpSessionKeepAliveHoldTimeRem {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.3.1.5";
            type snmpv2-tc:TimeInterval;
            description
              "The keep alive hold time remaining for
this session.";
          }

          leaf mplsLdpSessionKeepAliveTime {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.3.1.6";
            type uint32 {
              range "1..65535";
            }
            units "seconds";
            description
              "The negotiated KeepAlive Time which
represents the amount of seconds between
keep alive messages.  The
mplsLdpEntityKeepAliveHoldTimer
related to this Session is the
value that was proposed as the
KeepAlive Time for this session.

This value is negotiated during
session initialization between
the entity's proposed value
(i.e., the value configured in
mplsLdpEntityKeepAliveHoldTimer)
and the peer's proposed
KeepAlive Hold Timer value.
This value is the smaller
of the two proposed values.";
            reference
              "RFC3036, LDP Specification, Section 3.5.3,
              Initialization Message.";

          }

          leaf mplsLdpSessionMaxPduLength {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.3.1.7";
            type uint32 {
              range "1..65535";
            }
            units "octets";
            description
              "The value of maximum allowable length for LDP PDUs for
this session.  This value may have been negotiated
during the Session Initialization.  This object is
related to the mplsLdpEntityMaxPduLength object.  The
mplsLdpEntityMaxPduLength object specifies the requested
LDP PDU length, and this object reflects the negotiated
LDP PDU length between the Entity and
the Peer.";
            reference
              "RFC3036, LDP Specification, Section 3.5.3,
              Initialization Message.";

          }

          leaf mplsLdpSessionDiscontinuityTime {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.3.1.8";
            type yang:timestamp;
            description
              "The value of sysUpTime on the most recent occasion
at which any one or more of this session's counters
suffered a discontinuity.  The relevant counters are
the specific instances associated with this session
of any Counter32 object contained in the
mplsLdpSessionStatsTable.

The initial value of this object is the value of
sysUpTime when the entry was created in this table.

Also, a command generator can distinguish when a session
between a given Entity and Peer goes away and a new
session is established.  This value would change and
thus indicate to the command generator that this is a
different session.";
          }

          leaf mplsLdpSessionStatsUnknownMesTypeErrors {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.4.1.1";
            type yang:counter32;
            description
              "This object counts the number of Unknown Message Type
Errors detected by this LSR/LER during this session.

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
mplsLdpSessionDiscontinuityTime.";
          }

          leaf mplsLdpSessionStatsUnknownTlvErrors {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.4.1.2";
            type yang:counter32;
            description
              "This object counts the number of Unknown TLV Errors
detected by this LSR/LER during this session.

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
mplsLdpSessionDiscontinuityTime.";
          }
        }  // list mplsLdpPeerEntry
      }  // container mplsLdpPeerTable

      container mplsLdpHelloAdjacencyTable {
        smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.5.1";
        description
          "A table of Hello Adjacencies for Sessions.";
        list mplsLdpHelloAdjacencyEntry {
          smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.5.1.1";
          key "mplsLdpEntityLdpId mplsLdpEntityIndex mplsLdpPeerLdpId mplsLdpHelloAdjacencyIndex";
          description
            "Each row represents a single LDP Hello Adjacency.
An LDP Session can have one or more Hello
Adjacencies.";
          leaf mplsLdpEntityLdpId {
            type leafref {
              path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpEntityTable/MPLS-LDP-STD-MIB:mplsLdpEntityEntry/MPLS-LDP-STD-MIB:mplsLdpEntityLdpId";
            }
          }

          leaf mplsLdpEntityIndex {
            type leafref {
              path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpEntityTable/MPLS-LDP-STD-MIB:mplsLdpEntityEntry/MPLS-LDP-STD-MIB:mplsLdpEntityIndex";
            }
          }

          leaf mplsLdpPeerLdpId {
            type leafref {
              path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpPeerTable/MPLS-LDP-STD-MIB:mplsLdpPeerEntry/MPLS-LDP-STD-MIB:mplsLdpPeerLdpId";
            }
          }

          leaf mplsLdpHelloAdjacencyIndex {
            smiv2:max-access "not-accessible";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.5.1.1.1";
            type uint32 {
              range "1..4294967295";
            }
            description
              "An identifier for this specific adjacency.";
          }

          leaf mplsLdpHelloAdjacencyHoldTimeRem {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.5.1.1.2";
            type snmpv2-tc:TimeInterval;
            units "seconds";
            description
              "If the value of this object is 65535,
this means that the hold time is infinite
(i.e., wait forever).

Otherwise, the time remaining for
this Hello Adjacency to receive its
next Hello Message.

This interval will change when the 'next'
Hello Message which corresponds to this
Hello Adjacency is received unless it
is infinite.";
          }

          leaf mplsLdpHelloAdjacencyHoldTime {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.5.1.1.3";
            type uint32 {
              range "0..65535";
            }
            description
              "The Hello hold time which is negotiated between
the Entity and the Peer.  The entity associated
with this Hello Adjacency issues a proposed
Hello Hold Time value in the
mplsLdpEntityHelloHoldTimer object.  The peer
also proposes a value and this object represents
the negotiated value.

A value of 0 means the default,
which is 15 seconds for Link Hellos
and 45 seconds for Targeted Hellos.
A value of 65535 indicates an
infinite hold time.";
            reference
              "RFC3036, LDP Specification, Section 3.5.2 Hello Message";

          }

          leaf mplsLdpHelloAdjacencyType {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.5.1.1.4";
            type enumeration {
              enum "link" {
                value 1;
              }
              enum "targeted" {
                value 2;
              }
            }
            description
              "This adjacency is the result of a 'link'
hello if the value of this object is link(1).


Otherwise, it is a result of a 'targeted'
hello, targeted(2).";
          }
        }  // list mplsLdpHelloAdjacencyEntry
      }  // container mplsLdpHelloAdjacencyTable

      container mplsInSegmentLdpLspTable {
        smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.6";
        description
          "A table of LDP LSP's which
map to the mplsInSegmentTable in the
MPLS-LSR-STD-MIB module.";
        list mplsInSegmentLdpLspEntry {
          smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.6.1";
          key "mplsLdpEntityLdpId mplsLdpEntityIndex mplsLdpPeerLdpId mplsInSegmentLdpLspIndex";
          description
            "An entry in this table represents information
on a single LDP LSP which is represented by
a session's index triple (mplsLdpEntityLdpId,
mplsLdpEntityIndex, mplsLdpPeerLdpId) AND the
index for the mplsInSegmentTable
(mplsInSegmentLdpLspLabelIndex) from the
MPLS-LSR-STD-MIB.

The information contained in a row is read-only.";
          leaf mplsLdpEntityLdpId {
            type leafref {
              path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpEntityTable/MPLS-LDP-STD-MIB:mplsLdpEntityEntry/MPLS-LDP-STD-MIB:mplsLdpEntityLdpId";
            }
          }

          leaf mplsLdpEntityIndex {
            type leafref {
              path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpEntityTable/MPLS-LDP-STD-MIB:mplsLdpEntityEntry/MPLS-LDP-STD-MIB:mplsLdpEntityIndex";
            }
          }

          leaf mplsLdpPeerLdpId {
            type leafref {
              path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpPeerTable/MPLS-LDP-STD-MIB:mplsLdpPeerEntry/MPLS-LDP-STD-MIB:mplsLdpPeerLdpId";
            }
          }

          leaf mplsInSegmentLdpLspIndex {
            smiv2:max-access "not-accessible";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.6.1.1";
            type mpls-lsr:MplsIndexType;
            description
              "This contains the same value as the
mplsInSegmentIndex in the
MPLS-LSR-STD-MIB's mplsInSegmentTable.";
          }

          leaf mplsInSegmentLdpLspLabelType {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.6.1.2";
            type mpls-tc:MplsLdpLabelType;
            description
              "The Layer 2 Label Type.";
          }

          leaf mplsInSegmentLdpLspType {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.6.1.3";
            type mpls-tc:MplsLspType;
            description
              "The type of LSP connection.";
          }
        }  // list mplsInSegmentLdpLspEntry
      }  // container mplsInSegmentLdpLspTable

      container mplsOutSegmentLdpLspTable {
        smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.7";
        description
          "A table of LDP LSP's which
map to the mplsOutSegmentTable in the
MPLS-LSR-STD-MIB.";
        list mplsOutSegmentLdpLspEntry {
          smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.7.1";
          key "mplsLdpEntityLdpId mplsLdpEntityIndex mplsLdpPeerLdpId mplsOutSegmentLdpLspIndex";
          description
            "An entry in this table represents information
on a single LDP LSP which is represented by
a session's index triple (mplsLdpEntityLdpId,
mplsLdpEntityIndex, mplsLdpPeerLdpId) AND the
index (mplsOutSegmentLdpLspIndex)
for the mplsOutSegmentTable.

The information contained in a row is read-only.";
          leaf mplsLdpEntityLdpId {
            type leafref {
              path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpEntityTable/MPLS-LDP-STD-MIB:mplsLdpEntityEntry/MPLS-LDP-STD-MIB:mplsLdpEntityLdpId";
            }
          }

          leaf mplsLdpEntityIndex {
            type leafref {
              path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpEntityTable/MPLS-LDP-STD-MIB:mplsLdpEntityEntry/MPLS-LDP-STD-MIB:mplsLdpEntityIndex";
            }
          }

          leaf mplsLdpPeerLdpId {
            type leafref {
              path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpPeerTable/MPLS-LDP-STD-MIB:mplsLdpPeerEntry/MPLS-LDP-STD-MIB:mplsLdpPeerLdpId";
            }
          }

          leaf mplsOutSegmentLdpLspIndex {
            smiv2:max-access "not-accessible";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.7.1.1";
            type mpls-lsr:MplsIndexType;
            description
              "This contains the same value as the
mplsOutSegmentIndex in the
MPLS-LSR-STD-MIB's mplsOutSegmentTable.";
          }

          leaf mplsOutSegmentLdpLspLabelType {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.7.1.2";
            type mpls-tc:MplsLdpLabelType;
            description
              "The Layer 2 Label Type.";
          }

          leaf mplsOutSegmentLdpLspType {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.7.1.3";
            type mpls-tc:MplsLspType;
            description
              "The type of LSP connection.";
          }
        }  // list mplsOutSegmentLdpLspEntry
      }  // container mplsOutSegmentLdpLspTable

      container mplsFecTable {
        smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.8.3";
        description
          "This table represents the FEC
(Forwarding Equivalence Class)
Information associated with an LSP.";
        list mplsFecEntry {
          smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.8.3.1";
          key "mplsFecIndex";
          description
            "Each row represents a single FEC Element.";
          leaf mplsFecIndex {
            smiv2:max-access "not-accessible";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.8.3.1.1";
            type diffserv-mib:IndexInteger;
            description
              "The index which uniquely identifies this entry.";
          }

          leaf mplsFecType {
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.8.3.1.2";
            type enumeration {
              enum "prefix" {
                value 1;
              }
              enum "hostAddress" {
                value 2;
              }
            }
            description
              "The type of the FEC.  If the value of this object
is 'prefix(1)' then the FEC type described by this
row is an address prefix.

If the value of this object is 'hostAddress(2)' then
the FEC type described by this row is a host address.";
            reference
              "RFC3036, Section 3.4.1. FEC TLV.";

          }

          leaf mplsFecAddrPrefixLength {
            smiv2:defval "0";
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.8.3.1.3";
            type inet-address:InetAddressPrefixLength;
            description
              "If the value of the 'mplsFecType' is 'hostAddress(2)'
then this object is undefined.

If the value of 'mplsFecType' is 'prefix(1)'
then the value of this object is the length in
bits of the address prefix represented by
'mplsFecAddr', or zero.  If the value of this
object is zero, this indicates that the
prefix matches all addresses.  In this case the
address prefix MUST also be zero (i.e., 'mplsFecAddr'
should have the value of zero.)";
            reference
              "RFC3036, Section 3.4.1. FEC TLV.";

          }

          leaf mplsFecAddrType {
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.8.3.1.4";
            type inet-address:InetAddressType;
            description
              "The value of this object is the type of the
Internet address.  The value of this object,
decides how the value of the mplsFecAddr object
is interpreted.";
            reference
              "RFC3036, Section 3.4.1. FEC TLV.";

          }

          leaf mplsFecAddr {
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.8.3.1.5";
            type inet-address:InetAddress;
            description
              "The value of this object is interpreted based
on the value of the 'mplsFecAddrType' object.

This address is then further interpretted as
an being used with the address prefix,
or as the host address.  This further interpretation
is indicated by the 'mplsFecType' object.
In other words, the FEC element is populated
according to the Prefix FEC Element value encoding, or
the Host Address FEC Element encoding.";
            reference
              "RFC3036, Section 3.4.1 FEC TLV.";

          }

          leaf mplsFecStorageType {
            smiv2:defval "nonVolatile";
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.8.3.1.6";
            type snmpv2-tc:StorageType;
            description
              "The storage type for this conceptual row.
Conceptual rows having the value 'permanent(4)'
need not allow write-access to any columnar
objects in the row.";
          }

          leaf mplsFecRowStatus {
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.8.3.1.7";
            type snmpv2-tc:RowStatus;
            description
              "The status of this conceptual row.  If the value of this
object is 'active(1)', then none of the writable objects
of this entry can be modified, except to set this object
to 'destroy(6)'.

NOTE: if this row is being referenced by any entry in
the mplsLdpLspFecTable, then a request to destroy
this row, will result in an inconsistentValue error.";
          }
        }  // list mplsFecEntry
      }  // container mplsFecTable

      container mplsLdpLspFecTable {
        smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.10";
        description
          "A table which shows the relationship between
LDP LSPs and FECs.  Each row represents
a single LDP LSP to FEC association.";
        list mplsLdpLspFecEntry {
          smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.10.1";
          key "mplsLdpEntityLdpId mplsLdpEntityIndex mplsLdpPeerLdpId mplsLdpLspFecSegment mplsLdpLspFecSegmentIndex mplsLdpLspFecIndex";
          description
            "An entry represents a LDP LSP
to FEC association.";
          leaf mplsLdpEntityLdpId {
            type leafref {
              path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpEntityTable/MPLS-LDP-STD-MIB:mplsLdpEntityEntry/MPLS-LDP-STD-MIB:mplsLdpEntityLdpId";
            }
          }

          leaf mplsLdpEntityIndex {
            type leafref {
              path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpEntityTable/MPLS-LDP-STD-MIB:mplsLdpEntityEntry/MPLS-LDP-STD-MIB:mplsLdpEntityIndex";
            }
          }

          leaf mplsLdpPeerLdpId {
            type leafref {
              path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpPeerTable/MPLS-LDP-STD-MIB:mplsLdpPeerEntry/MPLS-LDP-STD-MIB:mplsLdpPeerLdpId";
            }
          }

          leaf mplsLdpLspFecSegment {
            smiv2:max-access "not-accessible";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.10.1.1";
            type enumeration {
              enum "inSegment" {
                value 1;
              }
              enum "outSegment" {
                value 2;
              }
            }
            description
              "If the value is inSegment(1), then this
indicates that the following index,
mplsLdpLspFecSegmentIndex, contains the same
value as the mplsInSegmentLdpLspIndex.

Otherwise, if the value of this object is


outSegment(2),  then this
indicates that following index,
mplsLdpLspFecSegmentIndex, contains the same
value as the mplsOutSegmentLdpLspIndex.";
          }

          leaf mplsLdpLspFecSegmentIndex {
            smiv2:max-access "not-accessible";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.10.1.2";
            type mpls-lsr:MplsIndexType;
            description
              "This index is interpretted by using the value
of the mplsLdpLspFecSegment.

If the mplsLdpLspFecSegment is inSegment(1),
then this index has the same value as
mplsInSegmentLdpLspIndex.

If the mplsLdpLspFecSegment is outSegment(2),
then this index has the same value as
mplsOutSegmentLdpLspIndex.";
          }

          leaf mplsLdpLspFecIndex {
            smiv2:max-access "not-accessible";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.10.1.3";
            type diffserv-mib:IndexInteger;
            description
              "This index identifies the FEC entry in the
mplsFecTable associated with this session.
In other words, the value of this index
is the same as the value of the mplsFecIndex
that denotes the FEC associated with this
Session.";
          }

          leaf mplsLdpLspFecStorageType {
            smiv2:defval "nonVolatile";
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.10.1.4";
            type snmpv2-tc:StorageType;
            description
              "The storage type for this conceptual row.
Conceptual rows having the value 'permanent(4)'
need not allow write-access to any columnar
objects in the row.";
          }

          leaf mplsLdpLspFecRowStatus {
            smiv2:max-access "read-write";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.10.1.5";
            type snmpv2-tc:RowStatus;
            description
              "The status of this conceptual row.  If the
value of this object is 'active(1)', then
none of the writable objects of this entry
can be modified.

The Agent should delete this row when
the session ceases to exist.  If an
operator wants to associate the session with
a different FEC, the recommended
procedure is (as described in detail in the section
entitled, 'Changing Values After Session
Establishment', and again described in the
DESCRIPTION clause of the
mplsLdpEntityAdminStatus object)
is to set the mplsLdpEntityAdminStatus to
down, thereby explicitly causing a session
to be torn down. This will also
cause this entry to be deleted.

Then, set the mplsLdpEntityAdminStatus
to enable which enables a new session to be initiated.
Once the session is initiated, an entry may be
added to this table to associate the new session
with a FEC.";
          }
        }  // list mplsLdpLspFecEntry
      }  // container mplsLdpLspFecTable

      container mplsLdpSessionPeerAddrTable {
        smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.11";
        description
          "This table 'extends' the mplsLdpSessionTable.
This table is used to store Label Address Information
from Label Address Messages received by this LSR from
Peers.  This table is read-only and should be updated


when Label Withdraw Address Messages are received, i.e.,
Rows should be deleted as appropriate.

NOTE:  since more than one address may be contained
in a Label Address Message, this table 'sparse augments',
the mplsLdpSessionTable's information.";
        list mplsLdpSessionPeerAddrEntry {
          smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.11.1";
          key "mplsLdpEntityLdpId mplsLdpEntityIndex mplsLdpPeerLdpId mplsLdpSessionPeerAddrIndex";
          description
            "An entry in this table represents information on
a session's single next hop address which was
advertised in an Address Message from the LDP peer.
The information contained in a row is read-only.";
          leaf mplsLdpEntityLdpId {
            type leafref {
              path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpEntityTable/MPLS-LDP-STD-MIB:mplsLdpEntityEntry/MPLS-LDP-STD-MIB:mplsLdpEntityLdpId";
            }
          }

          leaf mplsLdpEntityIndex {
            type leafref {
              path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpEntityTable/MPLS-LDP-STD-MIB:mplsLdpEntityEntry/MPLS-LDP-STD-MIB:mplsLdpEntityIndex";
            }
          }

          leaf mplsLdpPeerLdpId {
            type leafref {
              path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpPeerTable/MPLS-LDP-STD-MIB:mplsLdpPeerEntry/MPLS-LDP-STD-MIB:mplsLdpPeerLdpId";
            }
          }

          leaf mplsLdpSessionPeerAddrIndex {
            smiv2:max-access "not-accessible";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.11.1.1";
            type uint32 {
              range "1..4294967295";
            }
            description
              "An index which uniquely identifies this entry within
a given session.";
          }

          leaf mplsLdpSessionPeerNextHopAddrType {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.11.1.2";
            type inet-address:InetAddressType;
            description
              "The internetwork layer address type of this Next Hop
Address as specified in the Label Address Message
associated with this Session. The value of this
object indicates how to interpret the value of


mplsLdpSessionPeerNextHopAddr.";
          }

          leaf mplsLdpSessionPeerNextHopAddr {
            smiv2:max-access "read-only";
            smiv2:oid "1.3.6.1.2.1.10.166.4.1.3.11.1.3";
            type inet-address:InetAddress;
            description
              "The next hop address.  The type of this address
is specified by the value of the
mplsLdpSessionPeerNextHopAddrType.";
            reference
              "RFC3036, Section 2.7. LDP Identifiers
              and Next Hop Addresses";

          }
        }  // list mplsLdpSessionPeerAddrEntry
      }  // container mplsLdpSessionPeerAddrTable
    }  // container MPLS-LDP-STD-MIB

    notification mplsLdpInitSessionThresholdExceeded {
      smiv2:oid "1.3.6.1.2.1.10.166.4.0.1";
      description
        "This notification is generated when the value of
the 'mplsLdpEntityInitSessionThreshold' object
is not zero, and the number of Session
Initialization messages exceeds the value
of the 'mplsLdpEntityInitSessionThreshold' object.";
      container object-1 {
        leaf mplsLdpEntityLdpId {
          type leafref {
            path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpEntityTable/MPLS-LDP-STD-MIB:mplsLdpEntityEntry/MPLS-LDP-STD-MIB:mplsLdpEntityLdpId";
          }
        }

        leaf mplsLdpEntityIndex {
          type leafref {
            path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpEntityTable/MPLS-LDP-STD-MIB:mplsLdpEntityEntry/MPLS-LDP-STD-MIB:mplsLdpEntityIndex";
          }
        }

        leaf mplsLdpEntityInitSessionThreshold {
          type leafref {
            path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpEntityTable/MPLS-LDP-STD-MIB:mplsLdpEntityEntry/MPLS-LDP-STD-MIB:mplsLdpEntityInitSessionThreshold";
          }
        }
      }  // container object-1
    }  // notification mplsLdpInitSessionThresholdExceeded

    notification mplsLdpPathVectorLimitMismatch {
      smiv2:oid "1.3.6.1.2.1.10.166.4.0.2";
      description
        "This notification is sent when the
'mplsLdpEntityPathVectorLimit' does NOT match
the value of the 'mplsLdpPeerPathVectorLimit' for
a specific Entity.";
      reference
        "RFC3036, LDP Specification, Section 3.5.3.";

      container object-1 {
        leaf mplsLdpEntityLdpId {
          type leafref {
            path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpEntityTable/MPLS-LDP-STD-MIB:mplsLdpEntityEntry/MPLS-LDP-STD-MIB:mplsLdpEntityLdpId";
          }
        }

        leaf mplsLdpEntityIndex {
          type leafref {
            path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpEntityTable/MPLS-LDP-STD-MIB:mplsLdpEntityEntry/MPLS-LDP-STD-MIB:mplsLdpEntityIndex";
          }
        }

        leaf mplsLdpEntityPathVectorLimit {
          type leafref {
            path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpEntityTable/MPLS-LDP-STD-MIB:mplsLdpEntityEntry/MPLS-LDP-STD-MIB:mplsLdpEntityPathVectorLimit";
          }
        }
      }  // container object-1

      container object-2 {
        leaf mplsLdpEntityLdpId {
          type leafref {
            path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpEntityTable/MPLS-LDP-STD-MIB:mplsLdpEntityEntry/MPLS-LDP-STD-MIB:mplsLdpEntityLdpId";
          }
        }

        leaf mplsLdpEntityIndex {
          type leafref {
            path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpEntityTable/MPLS-LDP-STD-MIB:mplsLdpEntityEntry/MPLS-LDP-STD-MIB:mplsLdpEntityIndex";
          }
        }

        leaf mplsLdpPeerLdpId {
          type leafref {
            path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpPeerTable/MPLS-LDP-STD-MIB:mplsLdpPeerEntry/MPLS-LDP-STD-MIB:mplsLdpPeerLdpId";
          }
        }

        leaf mplsLdpPeerPathVectorLimit {
          type leafref {
            path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpPeerTable/MPLS-LDP-STD-MIB:mplsLdpPeerEntry/MPLS-LDP-STD-MIB:mplsLdpPeerPathVectorLimit";
          }
        }
      }  // container object-2
    }  // notification mplsLdpPathVectorLimitMismatch

    notification mplsLdpSessionUp {
      smiv2:oid "1.3.6.1.2.1.10.166.4.0.3";
      description
        "If this notification is sent when the
value of 'mplsLdpSessionState' enters
the 'operational(5)' state.";
      container object-1 {
        leaf mplsLdpEntityLdpId {
          type leafref {
            path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpEntityTable/MPLS-LDP-STD-MIB:mplsLdpEntityEntry/MPLS-LDP-STD-MIB:mplsLdpEntityLdpId";
          }
        }

        leaf mplsLdpEntityIndex {
          type leafref {
            path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpEntityTable/MPLS-LDP-STD-MIB:mplsLdpEntityEntry/MPLS-LDP-STD-MIB:mplsLdpEntityIndex";
          }
        }

        leaf mplsLdpPeerLdpId {
          type leafref {
            path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpPeerTable/MPLS-LDP-STD-MIB:mplsLdpPeerEntry/MPLS-LDP-STD-MIB:mplsLdpPeerLdpId";
          }
        }

        leaf mplsLdpSessionState {
          type leafref {
            path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpPeerTable/MPLS-LDP-STD-MIB:mplsLdpPeerEntry/MPLS-LDP-STD-MIB:mplsLdpSessionState";
          }
        }
      }  // container object-1

      container object-2 {
        leaf mplsLdpEntityLdpId {
          type leafref {
            path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpEntityTable/MPLS-LDP-STD-MIB:mplsLdpEntityEntry/MPLS-LDP-STD-MIB:mplsLdpEntityLdpId";
          }
        }

        leaf mplsLdpEntityIndex {
          type leafref {
            path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpEntityTable/MPLS-LDP-STD-MIB:mplsLdpEntityEntry/MPLS-LDP-STD-MIB:mplsLdpEntityIndex";
          }
        }

        leaf mplsLdpPeerLdpId {
          type leafref {
            path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpPeerTable/MPLS-LDP-STD-MIB:mplsLdpPeerEntry/MPLS-LDP-STD-MIB:mplsLdpPeerLdpId";
          }
        }

        leaf mplsLdpSessionDiscontinuityTime {
          type leafref {
            path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpPeerTable/MPLS-LDP-STD-MIB:mplsLdpPeerEntry/MPLS-LDP-STD-MIB:mplsLdpSessionDiscontinuityTime";
          }
        }
      }  // container object-2

      container object-3 {
        leaf mplsLdpEntityLdpId {
          type leafref {
            path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpEntityTable/MPLS-LDP-STD-MIB:mplsLdpEntityEntry/MPLS-LDP-STD-MIB:mplsLdpEntityLdpId";
          }
        }

        leaf mplsLdpEntityIndex {
          type leafref {
            path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpEntityTable/MPLS-LDP-STD-MIB:mplsLdpEntityEntry/MPLS-LDP-STD-MIB:mplsLdpEntityIndex";
          }
        }

        leaf mplsLdpPeerLdpId {
          type leafref {
            path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpPeerTable/MPLS-LDP-STD-MIB:mplsLdpPeerEntry/MPLS-LDP-STD-MIB:mplsLdpPeerLdpId";
          }
        }

        leaf mplsLdpSessionStatsUnknownMesTypeErrors {
          type leafref {
            path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpPeerTable/MPLS-LDP-STD-MIB:mplsLdpPeerEntry/MPLS-LDP-STD-MIB:mplsLdpSessionStatsUnknownMesTypeErrors";
          }
        }
      }  // container object-3

      container object-4 {
        leaf mplsLdpEntityLdpId {
          type leafref {
            path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpEntityTable/MPLS-LDP-STD-MIB:mplsLdpEntityEntry/MPLS-LDP-STD-MIB:mplsLdpEntityLdpId";
          }
        }

        leaf mplsLdpEntityIndex {
          type leafref {
            path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpEntityTable/MPLS-LDP-STD-MIB:mplsLdpEntityEntry/MPLS-LDP-STD-MIB:mplsLdpEntityIndex";
          }
        }

        leaf mplsLdpPeerLdpId {
          type leafref {
            path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpPeerTable/MPLS-LDP-STD-MIB:mplsLdpPeerEntry/MPLS-LDP-STD-MIB:mplsLdpPeerLdpId";
          }
        }

        leaf mplsLdpSessionStatsUnknownTlvErrors {
          type leafref {
            path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpPeerTable/MPLS-LDP-STD-MIB:mplsLdpPeerEntry/MPLS-LDP-STD-MIB:mplsLdpSessionStatsUnknownTlvErrors";
          }
        }
      }  // container object-4
    }  // notification mplsLdpSessionUp

    notification mplsLdpSessionDown {
      smiv2:oid "1.3.6.1.2.1.10.166.4.0.4";
      description
        "This notification is sent when the
value of 'mplsLdpSessionState' leaves
the 'operational(5)' state.";
      container object-1 {
        leaf mplsLdpEntityLdpId {
          type leafref {
            path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpEntityTable/MPLS-LDP-STD-MIB:mplsLdpEntityEntry/MPLS-LDP-STD-MIB:mplsLdpEntityLdpId";
          }
        }

        leaf mplsLdpEntityIndex {
          type leafref {
            path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpEntityTable/MPLS-LDP-STD-MIB:mplsLdpEntityEntry/MPLS-LDP-STD-MIB:mplsLdpEntityIndex";
          }
        }

        leaf mplsLdpPeerLdpId {
          type leafref {
            path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpPeerTable/MPLS-LDP-STD-MIB:mplsLdpPeerEntry/MPLS-LDP-STD-MIB:mplsLdpPeerLdpId";
          }
        }

        leaf mplsLdpSessionState {
          type leafref {
            path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpPeerTable/MPLS-LDP-STD-MIB:mplsLdpPeerEntry/MPLS-LDP-STD-MIB:mplsLdpSessionState";
          }
        }
      }  // container object-1

      container object-2 {
        leaf mplsLdpEntityLdpId {
          type leafref {
            path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpEntityTable/MPLS-LDP-STD-MIB:mplsLdpEntityEntry/MPLS-LDP-STD-MIB:mplsLdpEntityLdpId";
          }
        }

        leaf mplsLdpEntityIndex {
          type leafref {
            path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpEntityTable/MPLS-LDP-STD-MIB:mplsLdpEntityEntry/MPLS-LDP-STD-MIB:mplsLdpEntityIndex";
          }
        }

        leaf mplsLdpPeerLdpId {
          type leafref {
            path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpPeerTable/MPLS-LDP-STD-MIB:mplsLdpPeerEntry/MPLS-LDP-STD-MIB:mplsLdpPeerLdpId";
          }
        }

        leaf mplsLdpSessionDiscontinuityTime {
          type leafref {
            path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpPeerTable/MPLS-LDP-STD-MIB:mplsLdpPeerEntry/MPLS-LDP-STD-MIB:mplsLdpSessionDiscontinuityTime";
          }
        }
      }  // container object-2

      container object-3 {
        leaf mplsLdpEntityLdpId {
          type leafref {
            path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpEntityTable/MPLS-LDP-STD-MIB:mplsLdpEntityEntry/MPLS-LDP-STD-MIB:mplsLdpEntityLdpId";
          }
        }

        leaf mplsLdpEntityIndex {
          type leafref {
            path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpEntityTable/MPLS-LDP-STD-MIB:mplsLdpEntityEntry/MPLS-LDP-STD-MIB:mplsLdpEntityIndex";
          }
        }

        leaf mplsLdpPeerLdpId {
          type leafref {
            path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpPeerTable/MPLS-LDP-STD-MIB:mplsLdpPeerEntry/MPLS-LDP-STD-MIB:mplsLdpPeerLdpId";
          }
        }

        leaf mplsLdpSessionStatsUnknownMesTypeErrors {
          type leafref {
            path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpPeerTable/MPLS-LDP-STD-MIB:mplsLdpPeerEntry/MPLS-LDP-STD-MIB:mplsLdpSessionStatsUnknownMesTypeErrors";
          }
        }
      }  // container object-3

      container object-4 {
        leaf mplsLdpEntityLdpId {
          type leafref {
            path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpEntityTable/MPLS-LDP-STD-MIB:mplsLdpEntityEntry/MPLS-LDP-STD-MIB:mplsLdpEntityLdpId";
          }
        }

        leaf mplsLdpEntityIndex {
          type leafref {
            path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpEntityTable/MPLS-LDP-STD-MIB:mplsLdpEntityEntry/MPLS-LDP-STD-MIB:mplsLdpEntityIndex";
          }
        }

        leaf mplsLdpPeerLdpId {
          type leafref {
            path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpPeerTable/MPLS-LDP-STD-MIB:mplsLdpPeerEntry/MPLS-LDP-STD-MIB:mplsLdpPeerLdpId";
          }
        }

        leaf mplsLdpSessionStatsUnknownTlvErrors {
          type leafref {
            path "/MPLS-LDP-STD-MIB:MPLS-LDP-STD-MIB/MPLS-LDP-STD-MIB:mplsLdpPeerTable/MPLS-LDP-STD-MIB:mplsLdpPeerEntry/MPLS-LDP-STD-MIB:mplsLdpSessionStatsUnknownTlvErrors";
          }
        }
      }  // container object-4
    }  // notification mplsLdpSessionDown
  }  // module MPLS-LDP-STD-MIB