Internet Draft                                Thomas D. Nadeau (Ed.)
Intended status: Standards Track              BT
Expires: Dec 2010 Sep 2011
                                              A S Kiran Koushik (Ed.)
                                              Cisco Systems, Inc.

                                              Rohit Mediratta (Ed.)
                                              Alcatel-Lucent

       Virtual Private Lan Services (VPLS) Management Information Base

                     draft-ietf-l2vpn-vpls-mib-04.txt

                     draft-ietf-l2vpn-vpls-mib-05.txt

Status of this Memo

   This Internet-Draft is submitted to IETF in full conformance with the
   provisions of BCP 78 and BCP 79.

   Internet-Drafts are working documents of the Internet Engineering
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   This Internet-Draft will expire on December September 07, 2010. 2011.

Abstract

    This memo defines an experimental portion of the Management
    Information Base for use with network management protocols in the
    Internet community.  In particular, it describes managed objects
    for modeling of Virtual Private LAN services. It needs to be used
    in conjunction with Pseudo Wire (PW) Management Information Base
    [RFC5601].

Table of Contents

Abstract........................................................1
1   Introduction................................................2
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2  Terminology..................................................4
3  The Internet-Standard Management Framework...................4
4  VPLS MIB Module Architecture.................................4
4.1 VPLS-GENERIC-DRAFT-01-MIB Module Usage......................4
4.2 VPLS-LDP-DRAFT-01-MIB Module Usage..........................5
4.3 VPLS-BGP-DRAFT-01-MIB Module Usage..........................5
4.4 Relations to other MIB modules..............................5
5  Example of the VPLS MIB modules usage........................6
6  Object definitions...........................................6
6.1 VPLS-GENERIC-DRAFT-01-MIB...................................7
6.2  VPLS-LDP-DRAFT-01-MIB Object definitions..................27
6.3 VPLS-BGP-DRAFT-01-MIB Object definitions...................33
7. Security Considerations.....................................41
8. IANA Considerations.........................................41
9. References..................................................42
9.1 Normative References.......................................42
9.2 Informative References.....................................42
10 Acknowledgement.............................................43
11 Authors' Addresses..........................................43
12 Full Copyright Statement....................................45

1  Introduction

    This memo defines a portion of the Management Information Base
    (MIB) for use with network management protocols in the Internet
    community. In particular, it defines a MIB module that can be
    used to manage VPLS(Virtual Private LAN  Services for transmission
    over a packet Switched Network (PSN) using LDP [RFC4762] or
    BGP[RFC4761] signalling. This MIB module provides generic
    management of VPLS services as defined by the IETF L2VPN Working
    Group.

    Comments should be made directly to the L2VPN mailing list at
    l2vpn@ietf.org.

    The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL
    NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED",  "MAY", and
    "OPTIONAL" in this document are to be interpreted as described in
    [RFC2119].

Conventions used in this document

    The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL
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    NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED",  "MAY", and
    "OPTIONAL" in this document are to be interpreted as described in
    RFC-2119 [RFC2119].

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2  Terminology

    This document adopts the definitions, acronyms and mechanisms
    described in [RFC3985]. Unless otherwise stated, the mechanisms of
    [RFC3985] apply and will not be re-described here.

3  The Internet-Standard Management Framework

    For a detailed overview of the documents that describe the current
    Internet-Standard Management Framework, please refer to section 7
    of RFC 3410 [RFC3410].

    Managed objects are accessed via a virtual information store,
    termed the Management Information Base or MIB.  MIB objects are
    generally accessed through the Simple Network Management Protocol
    (SNMP). Objects in the MIB are defined using the mechanisms
    defined in the Structure of Management Information (SMI).  This
    memo specifies a MIB module that is compliant to the SMIv2, which
    is described in STD 58,[RFC2578], STD 58, [RFC2579] and STD 58,
    [RFC2580].

4  VPLS MIB Module Architecture

    The MIB structure for defining a VPLS service is composed from four
    types of MIB modules.

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    The first type is the VPLS-GENERIC-DRAFT-01-MIB module, which
    configures general parameters of the VPLS service that are common
    to all types of emulated services.

    The second type is the VPLS-LDP-DRAFT-01-MIB module, which
    configures VPLS-LDP[RFC4762] specific parameters of the
    VPLS service.

    The third type is the VPLS-BGP-DRAFT-01-MIB module, which configures
    VPLS-BGP[RFC4761] specific parameters of the
    VPLS service.

    The fourth type of modules are service-specific modules, which are
    defined in other documents.

                                 --------     -----------------
                    PW Mapping  |        |   |                 |
                         -----> | PW-MIB |-->|PW-ENET/MPLS-MIB |
          __________    /       |        |   |                 |
         |          |  /         --------     -----------------
         | VPLS MIB | /                        ------------
         |          |---------------------->  |            |
          ----------- MAC addr. mapping using | BRIDGE-MIB |
                      [SNMP-CONTEXT-MAP-MIB]  |            |
                                               ------------

4.1 VPLS-GENERIC-DRAFT-01-MIB Module Usage
      An entry in the vplsConfigTable MUST exist for a VPLS service.
     This table holds generic parameters which apply to a VPLS service
     which can be signalled via LDP or BGP.

    A conceptual row can be created in the vplsConfigTable in one of
    the following ways:

    1) The operator creates a row in the vplsConfigTable when
        configuring the node for a new service. This mode MUST be
        supported by the agent, and MUST be used when creating a
        manually assigned VPLS service.

    2) The agent MAY create a row in the vplsConfigTable automatically
        due to some auto discovery application, or based on
        configuration that is done through non-SNMP applications.
       This mode is OPTIONAL.

      An entry in the vplsPwBindTable MUST exist for a VPLS service.
     This binding table links one VPLS service with one or many
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     pseudo wires (defined in [RFC5601]). The pseudo wire may
     be used as a spoke or a mesh based on the parameters defined
     in this table.
     An entry in the vplsBgpAdConfigTable MUST exist if
     Auto-discovery has been enabled on this service. This table
     stores the information required for auto-discovery.

     An entry in the vplsBgpRteTargetTable MUST exist if auto-discovery
     has been configured on this service. One service can import
     and export multiple Route targets.

     The agent than creates the rows in the (locally supported)
     performance tables and reverse mapping tables in
     VPLS-GENERIC-DRAFT-01-MIB module.

4.2 VPLS-LDP-DRAFT-01-MIB Module Usage

     An entry in the vplsLdpConfigTable MUST be created by the agent
     for a VPLS service signalled using LDP.

4.3 VPLS-BGP-DRAFT-01-MIB Module Usage

     An entry in the vplsBgpConfigTable MUST be created by the agent
     for a VPLS service signalled using BGP.

4.4 Relations to other MIB modules

     - The vplsPwBindTable links the VPLS entry to various entries in
        the [RFC5601]

     - The association of MAC addresses to VPLS entries is possible
       by adding a turnstile function to interpret the entries in
       [SNMP-CONTEXT-MAP-MIB]. In [SNMP-CONTEXT-MAP-MIB] there is
       a mapping between the vacmContextName[RFC3415] to
       dot1dBasePort[RFC4188] and vplsConfigIndex. This mapping can
       be used to map the vplsConfigIndex to a dot1dBasePort
       in the BRIDGE-MIB. This resulting value of dot1dBasePort
       can be used to access corresponding MAC addresses that belong
       to a particular vplsConfigIndex.

     - Unless all the necessary entries in the applicable tables have
       been created and all the parameters have been consistently
       configured in those tables, signaling cannot be performed
       from the local node, and the ??? should report 'notPresent'.

     - Statistics can be gathered from the [RFC5601] - TBD
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5  Example of the VPLS MIB modules usage

    In this section we provide an example of using the MIB objects
    described in section 7 to set up a VPLS service over MPLS. While
    this example is not meant to illustrate every permutation of the
    MIB, it is intended as an aid to understanding some of the key
    concepts. It is meant to be read after going through the MIB
    itself.

    In the VPLS-GENERIC-DRAFT-01-MIB module:

    In vplsConfigTable:
    {
         vplsConfigIndex                         10,
         vplsConfigName                          "VPLS-A"
         vplsConfigAdminStatus                   1(up),
         vplsConfigMacLearning                   1(true),
         vplsConfigDiscardUnknownDest            2(false),
         vplsConfigMacAging                      1(true),
         vplsConfigVpnId                         "100:10"
         vplsConfigRowStatus                     1(active)
   }

   In vplsStatusTable:
   {
        vplsStatusOperStatus                    1(up),
   }

   In the VPLS-LDP-DRAFT-01-MIB module:

   In vplsLdpConfigTable:
   {
         vplsLdpConfigMacAddrWithdraw            1(true),

   }

   In vplsLdpPwBindTable:
   {
         vplsLdpPwBindType                 1(mesh),
         vplsLdpPwBindMacAddressLimit      100
   }

6  Object definitions

6.1 VPLS-GENERIC-DRAFT-01-MIB

    This MIB module makes references to the following documents.

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    [RFC2578], [RFC2579], [RFC2580], [RFC3411],
    [RFC2863], [RFC4001], [RFC4265] and [RFC3813].

      VPLS-GENERIC-DRAFT-01-MIB DEFINITIONS ::= BEGIN

      IMPORTS
      NOTIFICATION-TYPE, MODULE-IDENTITY, OBJECT-TYPE,
      Unsigned32, Counter32, transmission
         FROM SNMPv2-SMI                    -- RFC2578

      MODULE-COMPLIANCE, OBJECT-GROUP, NOTIFICATION-GROUP
         FROM SNMPv2-CONF                   -- RFC2580

      TruthValue, RowStatus, StorageType
         FROM SNMPv2-TC                     -- RFC2579

      SnmpAdminString
         FROM SNMP-FRAMEWORK-MIB            -- RFC3411

       PwIndexType
               FROM PW-TC-STD-MIB

        VPNIdOrZero
               FROM VPN-TC-STD-MIB           -- RFC4265

    -- Vpls BGP Autodiscovery specific Textual Convention
    VplsBgpRouteDistinguisher ::= TEXTUAL-CONVENTION
      STATUS        current
      DESCRIPTION
          "Syntax for a route distinguisher. For a complete
           definition of a route distinguisher, see [RFC4364].
           For more details on use of a route distinguisher
           for a VPLS service, see [RFC4761]"
      REFERENCE
          "[RFC4364]"
      SYNTAX  OCTET STRING(SIZE (0..256))

    VplsBgpRouteTarget ::= TEXTUAL-CONVENTION
      STATUS        current
      DESCRIPTION
          "Syntax for a route target. For a complete
           definition of a route target, see [RFC4364]."
      REFERENCE
          "[RFC4364]"
      SYNTAX  OCTET STRING(SIZE (0..256))

    VplsBgpRouteTargetType ::= TEXTUAL-CONVENTION
      STATUS        current
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      DESCRIPTION
       "Used to define the type of a route target usage.
        Route targets can be specified to be imported,
        exported, or both.  For a complete definition of a
        route target, see [RFC4364]."
      REFERENCE
        "[RFC4364]"
      SYNTAX INTEGER { import(1), export(2), both(3) }

;

   vplsGenericDraft01MIB MODULE-IDENTITY
      LAST-UPDATED "200608301200Z"  -- 30 Aug 2006 12:00:00 GMT
      ORGANIZATION "Layer 2 Virtual Private Networks (L2VPN)
                                 Working  Group"
      CONTACT-INFO
          "
           Thomas D. Nadeau
           Email:  tnadeau@cisco.com

           The L2VPN Working Group (email distribution l2vpn@ietf.org,
           http://www.ietf.org/html.charters/l2vpn-charter.html)
           "

      DESCRIPTION
          "Copyright (C) The IETF Trust (2010). (2011). The initial
           version of this MIB module was published in RFC XXXX.
   -- RFC Editor: Please replace XXXX with RFC number & remove
   --                    this note.

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

           This MIB module contains generic managed object definitions
           for Virtual Private LAN Services as in [RFC4762] and
           [RFC4761]

           This MIB module enables the use of any underlying PseudoWire
           network."

      -- Revision history.
      REVISION
          "200608301200Z"  -- 30 August 2006 12:00:00 GMT
      DESCRIPTION
          "Changes from previous version:
           1) Moved LDP Specific information to VPLS-LDP-DRAFT-01-MIB
           2) Created the vplsStatusTable to store status information.
           3)

         draft-ietf-l2vpn-vpls-mib-04

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          "
      REVISION
          "200606041200Z"  -- 4 June 2006 12:00:00 GMT

      DESCRIPTION "Initial version published as part of RFC YYYY."
   -- RFC Editor: please replace YYYY with IANA assigned value, and
   -- delete this note.

         ::= { transmission XXXX }

   -- RFC Editor: please replace XXXX with IANA assigne value, and
   -- delete this note.

   -- Top-level components of this MIB.

   -- Notifications
   vplsNotifications OBJECT IDENTIFIER
                                 ::= { vplsGenericDraft01MIB 0 }
   -- Tables, Scalars
   vplsObjects       OBJECT IDENTIFIER
                                 ::= { vplsGenericDraft01MIB 1 }
   -- Conformance
   vplsConformance   OBJECT IDENTIFIER
                                 ::= { vplsGenericDraft01MIB 2 }

   -- PW Virtual Connection Table

   vplsConfigIndexNext OBJECT-TYPE
      SYNTAX            Unsigned32
      MAX-ACCESS        read-only
      STATUS            current
      DESCRIPTION
          "This object contains an appropriate value to be used
           for vplsConfigIndex when creating entries in the
           vplsConfigTable. The value 0 indicates that no
           unassigned entries are available.  To obtain the
           value of vplsConfigIndex for a new entry in the
           vplsConfigTable, the manager issues a management
           protocol retrieval operation to obtain the current
           value of vplsConfigIndex.  After each retrieval
           operation, the agent should modify the value to
           reflect the next unassigned index.  After a manager
           retrieves a value the agent will determine through
           its local policy when this index value will be made
           available for reuse."
      ::= { vplsObjects 1 }
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      vplsConfigTable OBJECT-TYPE
          SYNTAX          SEQUENCE OF VplsConfigEntry
          MAX-ACCESS      not-accessible
          STATUS          current
          DESCRIPTION
               "This table specifies information for configuring
                and monitoring Virtual Private Lan Services(VPLS).
                "
          ::= { vplsObjects 2 }

      vplsConfigEntry OBJECT-TYPE
          SYNTAX          VplsConfigEntry
          MAX-ACCESS      not-accessible
          STATUS          current
          DESCRIPTION
           "A row in this table represents a Virtual Private Lan
            Service(VPLS) in a packet network. It is indexed by
            vplsConfigIndex, which uniquely identifies a single VPLS.

            A row is created by the operator or by the agent if a
            VPLS service is created by non-SNMP application or
            due to autodiscovery process.

            None of the read-create objects values can be
            changed when vplsConfigRowStatus is in the active(1)
            state. Changes are allowed when the vplsConfigRowStatus
            is in notInService(2) or notReady(3) states only.
            If the operator need to change one of the values
            for an active row the vplsConfigRowStatus should be
            first changed to notInService(2), the objects may
            be changed now, and later to active(1) in order to
            re-initiate the signaling process with the new
            values in effect.
            "
          INDEX           { vplsConfigIndex }
          ::= { vplsConfigTable 1 }

     VplsConfigEntry ::=
        SEQUENCE {
         vplsConfigIndex                                Unsigned32,
         vplsConfigName                                 SnmpAdminString,
         vplsConfigDescr                                SnmpAdminString,
         vplsConfigAdminStatus                          INTEGER,
         vplsConfigMacLearning                          TruthValue,
         vplsConfigDiscardUnknownDest                   TruthValue,
         vplsConfigMacAging                             TruthValue,
         vplsConfigFwdFullHighWatermark                 Unsigned32,
         vplsConfigFwdFullLowWatermark                  Unsigned32,
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         vplsConfigRowStatus                            RowStatus,
         vplsConfigMtu                                  Unsigned32,
         vplsConfigVpnId                                VPNIdOrZero,
         vplsConfigServiceType                          INTEGER,
         vplsConfigStorageType                          StorageType
          }

      vplsConfigIndex  OBJECT-TYPE
          SYNTAX          Unsigned32 (1.. 2147483647)
          MAX-ACCESS      not-accessible
          STATUS          current
          DESCRIPTION
               "Unique index for the conceptual row identifying
                a VPLS service."
          ::= { vplsConfigEntry 1 }

      vplsConfigName  OBJECT-TYPE
          SYNTAX          SnmpAdminString
          MAX-ACCESS      read-create
          STATUS          current
          DESCRIPTION
               "A textual name of the VPLS.
                If there is no local name, or this object is
                otherwise not applicable, then this object MUST
                contain a zero-length octet string."
          DEFVAL           { "" }
          ::= { vplsConfigEntry 2 }

      vplsConfigDescr  OBJECT-TYPE
          SYNTAX          SnmpAdminString
          MAX-ACCESS      read-create
          STATUS          current
          DESCRIPTION
               "A textual string containing information about the
               VPLS service. If there is no information for this VPLS
               service, then this object MUST contain a zero-length
               octet string."
          DEFVAL           { "" }
          ::= { vplsConfigEntry 3 }

      vplsConfigAdminStatus OBJECT-TYPE
          SYNTAX          INTEGER {
                              up(1),
                              down(2),
                              testing(3)   -- in some test mode

                          }
          MAX-ACCESS      read-create

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          STATUS          current
          DESCRIPTION
               "The desired administrative state of the VPLS
                service. If the administrative status of the
                Vpls service is changed to enable then this
                service is able to utilize the pseudo wire to
                perform the tasks of a VPLS service.
                The testing(3) state indicates that no operational
                packets can be passed. "
          DEFVAL           { down }
          ::= { vplsConfigEntry 4 }

      vplsConfigMacLearning OBJECT-TYPE
          SYNTAX          TruthValue
          MAX-ACCESS      read-create
          STATUS          current
          DESCRIPTION
               "This object specifies if MAC Learning is enabled
                in this service. If this object is true then Mac
                Learning is enabled. If false, then Mac Learning is
                disabled."
          DEFVAL          { true }
          ::= { vplsConfigEntry 6 }

      vplsConfigDiscardUnknownDest OBJECT-TYPE
          SYNTAX          TruthValue
          MAX-ACCESS      read-create
          STATUS          current
          DESCRIPTION
               "If the value of this object is 'true', then frames
                received with an unknown destination MAC are discarded
                in this VPLS. If 'false', then the packets are
                processed."
          DEFVAL          { false }
          ::= { vplsConfigEntry 7 }

      vplsConfigMacAging OBJECT-TYPE
          SYNTAX          TruthValue
          MAX-ACCESS      read-create
          STATUS          current
          DESCRIPTION
               "If the value of this object is 'true'
                then the MAC ageing process is enabled in
                this VPLS. If 'false', then the MAC ageing process
                is disabled"
          DEFVAL          { true }
          ::= { vplsConfigEntry 8 }

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      vplsConfigFwdFullHighWatermark OBJECT-TYPE
          SYNTAX          Unsigned32 (0..100)
          UNITS           "percentage"
          MAX-ACCESS      read-create
          STATUS          current
          DESCRIPTION
               "This object specifies the utilization of the
                forwarding database for this VPLS instance at
                which the vplsFwdFullAlarmRaised notification
                will be sent."
          DEFVAL          { 95 }
          ::= { vplsConfigEntry 10 }

      vplsConfigFwdFullLowWatermark OBJECT-TYPE
          SYNTAX          Unsigned32 (0..100)
          UNITS           "percentage"
          MAX-ACCESS      read-create
          STATUS          current
          DESCRIPTION
               "This object specifies the utilization of the
                forwarding database for this VPLS instance
                at which the vplsFwdFullAlarmCleared
                notification will be sent."
          DEFVAL          { 90 }
          ::= { vplsConfigEntry 11 }

      vplsConfigRowStatus OBJECT-TYPE
          SYNTAX          RowStatus
          MAX-ACCESS      read-create
          STATUS          current
          DESCRIPTION
               "For creating, modifying, and deleting this row.
                None of the read-create objects in the
                conceptual rows may be changed when this
                object is in the active(1) state."
          ::= { vplsConfigEntry 12 }

      vplsConfigMtu OBJECT-TYPE
          SYNTAX          Unsigned32 (64..1518)
          MAX-ACCESS      read-create
          STATUS          current
          DESCRIPTION
               "The value of this object specifies the MTU of this
                vpls instance."
          DEFVAL          { 1518 }
          ::= { vplsConfigEntry 13 }

      vplsConfigVpnId OBJECT-TYPE
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          SYNTAX          VPNIdOrZero
          MAX-ACCESS      read-only
          STATUS          current
          DESCRIPTION
               "This objects indicates the IEEE 802-1990
                VPN ID of the associated VPLS service."
-- Ed note: Should we import the VPNIdOrZero TC or
--              define a new TC?
          ::= { vplsConfigEntry 14 }

      vplsConfigServiceType OBJECT-TYPE
          SYNTAX          INTEGER {
                           vlan     (1),
                           ethernet (2)
                          }
          MAX-ACCESS      read-create
          STATUS          current
          DESCRIPTION
               "The value of this object specifies the type of
                service emulated by this vpls instance."
          DEFVAL          { vlan }
          ::= { vplsConfigEntry 15 }

  vplsConfigStorageType OBJECT-TYPE
          SYNTAX        StorageType
          MAX-ACCESS    read-create
          STATUS        current
          DESCRIPTION
               "This variable indicates the storage type for this row."
          DEFVAL { volatile }
          ::= { vplsConfigEntry 16 }

-- VPLS Status table

      vplsStatusTable OBJECT-TYPE
          SYNTAX          SEQUENCE OF VplsStatusEntry
          MAX-ACCESS      not-accessible
          STATUS          current
          DESCRIPTION
                "This table provides information for monitoring
                Virtual Private Lan Services(VPLS).
                "
          ::= { vplsObjects 3 }

      vplsStatusEntry OBJECT-TYPE
          SYNTAX          VplsStatusEntry
          MAX-ACCESS      not-accessible
          STATUS          current

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          DESCRIPTION
           "A row in this table represents a Virtual Private Lan
            Service(VPLS) in a packet network. It is indexed by
            vplsConfigIndex, which uniquely identifies a single VPLS.

            A row in this table is automatically created by the agent
            when a VPLS service is configured.
            "
          INDEX           { vplsConfigIndex }
          ::= { vplsStatusTable 1 }

     VplsStatusEntry ::=
        SEQUENCE {
         vplsStatusOperStatus                        INTEGER,
         vplsStatusPeerCount                         Counter32
          }

      vplsStatusOperStatus OBJECT-TYPE
          SYNTAX          INTEGER {
                              other(0),
                              up(1),
                              down(2)
                          }
          MAX-ACCESS      read-only
          STATUS          current
          DESCRIPTION
               "The current operational state of this VPLS Service."
          ::= { vplsStatusEntry 1 }

      vplsStatusPeerCount OBJECT-TYPE
          SYNTAX          Counter32
          MAX-ACCESS      read-only
          STATUS          current
          DESCRIPTION
               "This objects specifies the number of peers
                present in this vpls instance."
          ::= { vplsStatusEntry 2 }

      -- VPLS PW Binding Table

      vplsPwBindTable OBJECT-TYPE
          SYNTAX          SEQUENCE OF VplsPwBindEntry
          MAX-ACCESS      not-accessible
          STATUS          current
          DESCRIPTION
               "This table provides an association between a
                VPLS service and the corresponding Pseudo

         draft-ietf-l2vpn-vpls-mib-04

         draft-ietf-l2vpn-vpls-mib-05 L2-VPN-MIB         Apr 07, 2010         Mar 04, 2011

                Wires. A service can have more than one Pseudo
                Wire association. Pseudo Wires are defined in
                the pwTable"
          ::= { vplsObjects 4 }

      vplsPwBindEntry OBJECT-TYPE
          SYNTAX          VplsPwBindEntry
          MAX-ACCESS      not-accessible
          STATUS          current
          DESCRIPTION
               "Each row represents an association between a
                VPLS instance and one or more Pseudo Wires
                defined in the pwTable. Each index is unique
                in describing an entry in this table. However
                both indexes are required to define the one
                to many association of service to
                pseudowire."
          INDEX  { vplsConfigIndex, vplsPwBindIndex }
          ::= { vplsPwBindTable 1 }

      VplsPwBindEntry ::=
          SEQUENCE {
              vplsPwBindConfigType              INTEGER,
              vplsPwBindType                  INTEGER,
              vplsPwBindRowStatus             RowStatus,
              vplsPwBindStorageType             StorageType
          }

      vplsPwBindConfigType   OBJECT-TYPE
           SYNTAX          INTEGER {
                                   manual        (1),
                                   autodiscovery (2)
                           }
           MAX-ACCESS      read-create
           STATUS          current
           DESCRIPTION
                "The value of this object indicates
                 whether the Pseudo Wire binding was created
                 manually or via autodiscovery.

                 The value of this object must be
                 specifed when the row is created and cannot
                 be changed while the row status is active(1)"
          ::= { vplsPwBindEntry 1 }

      vplsPwBindType   OBJECT-TYPE
           SYNTAX          INTEGER {
                                   mesh  (1),

         draft-ietf-l2vpn-vpls-mib-04

         draft-ietf-l2vpn-vpls-mib-05 L2-VPN-MIB         Apr 07, 2010         Mar 04, 2011

                                   spoke (2)
                           }
           MAX-ACCESS      read-create
           STATUS          current
           DESCRIPTION
                "The value of this object indicates
                 whether the Pseudo Wire binding is of
                 type mesh or spoke.

                 The value of this object must be
                 specifed when the row is created and cannot
                 be changed while the row status is active(1)"
          ::= { vplsPwBindEntry 2 }

      vplsPwBindRowStatus  OBJECT-TYPE
           SYNTAX          RowStatus
           MAX-ACCESS      read-create
           STATUS          current
           DESCRIPTION
                "For creating, modifying, and deleting this row.
                 None of the read-create objects in the
                 conceptual rows may be changed when this
                 object is in the active(1) state"
          ::= { vplsPwBindEntry 3 }

      vplsPwBindStorageType OBJECT-TYPE
           SYNTAX        StorageType
           MAX-ACCESS    read-create
           STATUS        current
           DESCRIPTION
               "This variable indicates the storage type for this row."
           DEFVAL { volatile }
           ::= { vplsPwBindEntry 4 }

-- vplsBgpADConfigTable

      vplsBgpADConfigTable OBJECT-TYPE
            SYNTAX          SEQUENCE OF VplsBgpADEntry
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
            "This table specifies information for configuring
             BGP Auto-discovery parameters for a given Vpls service.
            "
            ::= { vplsObjects 5 }

      vplsBgpADConfigEntry OBJECT-TYPE
            SYNTAX          VplsBgpADConfigEntry

         draft-ietf-l2vpn-vpls-mib-04

         draft-ietf-l2vpn-vpls-mib-05 L2-VPN-MIB         Apr 07, 2010         Mar 04, 2011

            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
            "A row in this table represents BGP based autodiscovery
             is in use for this instance of Vpls.
             A row in this table is indexed by vplsConfigIndex, which
             uniquely identifies a single VPLS.
             None of the read-create objects can be changed when
             vplsBGPADConfigRowStatus is in active(1) state. Changes
             are allowed when the vplsBGPADConfigRowStatus is in
             notInService(2) or notReady(3) states only.
             If the operator need to change one of the values
             for an active row the vplsConfigRowStatus should be
             first changed to notInService(2), the objects may
             be changed now, and later to active(1) in order to
             re-initiate the signaling process with the new
             values in effect.
            "
            INDEX      { vplsConfigIndex }
            ::= { vplsBgpADConfigTable 1 }

      VplsBgpADConfigEntry ::=
         SEQUENCE {
          vplsBgpADConfigRouteDistinguisher   VplsBgpRouteDistinguisher,
          vplsBgpADConfigPrefix               Unsigned32,
          vplsBgpADConfigVplsId               VplsBgpRouteDistinguisher,
          vplsBgpADConfigRowStatus            RowStatus
         }

      vplsBgpADConfigRouteDistinguisher OBJECT-TYPE
            SYNTAX          VplsBgpRouteDistinguisher
            MAX-ACCESS      read-create
            STATUS          current
            DESCRIPTION
            " The route distinguisher for this VPLS. See [RFC4364]
            for a complete definition of a route distinguisher.
            for more details on use of a route distinguisher
            for a VPLS service, see [RFC4761]
            "
            ::= { vplsBgpADConfigEntry 1 }

            vplsBgpADConfigPrefix      OBJECT-TYPE
            SYNTAX          Unsigned32
            MAX-ACCESS      read-create
            STATUS          current
            DESCRIPTION
            " In case of auto-discovery the default prefix advertised
            is the ip address of the loopback. In case the user wants

         draft-ietf-l2vpn-vpls-mib-04

         draft-ietf-l2vpn-vpls-mib-05 L2-VPN-MIB         Apr 07, 2010         Mar 04, 2011

            to override the loopback address, vplsBgpADConfigPrefix
            should be set. When this value if non-zero it is used
            as the advertised IP address in the NLRI.
            "
            DEFVAL { 0 }
            ::= { vplsBgpADConfigEntry 2 }

      vplsBgpADConfigVplsId          OBJECT-TYPE
            SYNTAX          VplsBgpRouteDistinguisher
            MAX-ACCESS      read-create
            STATUS          current
            DESCRIPTION
            " VplsId is a unique identifier for all VSIs belonging to
            the same VPLS. It is advertised as an extended community
            "
            ::= { vplsBgpADConfigEntry 3 }

      vplsBgpADConfigRowStatus OBJECT-TYPE
            SYNTAX          RowStatus
            MAX-ACCESS      read-create
            STATUS          current
            DESCRIPTION
" For creating, modifying, and deleting this row.
            None of the read-create objects in the
            conceptual rows may be changed when this
            object is in the active(1) state.
            "
            ::= { vplsBgpADConfigEntry 4 }

    -- vplsBgpRteTargetTable

      vplsBgpRteTargetTable   OBJECT-TYPE
            SYNTAX          SEQUENCE Of VplsBgpRteTargetEntry
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
            " This table specifies the list of Route Targets
              imported or exported by BGP during auto-discovery of VPLS.
            "
            ::= { vplsObjects 5 }

      vplsBgpRteTargetEntry   OBJECT-TYPE
            SYNTAX          VplsBgpRteTargetEntry
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
              "An entry in this table specifies the value of the

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         draft-ietf-l2vpn-vpls-mib-05 L2-VPN-MIB         Apr 07, 2010         Mar 04, 2011

               Route Target being used by BGP. Depending on the value
               of vplsBgpRteTargetType an RT might be exported or
               imported or both. Every VPLS which
              uses auto-discovery for finding peer nodes can import and
              export multiple Route Targets. This representation allows
              support for hierarchical VPLS.
            "
            INDEX     { vplsConfigIndex, vplsBgpRteTargetIndex }
            ::= { vpsBgpRteTargetTable 1 }

      VplsBgpRteTargetEntry ::=
         SEQUENCE {
          vplsBgpRteTargetIndex          Unsigned32,
          vplsBgpRteTargetRTType         VplsBgpRouteTargetType,
          vplsBgpRteTargetRT             VplsBgpRouteTarget,
          vplsBgpRteTargetRTRowStatus    RowStatus
         }

      vplsBgpRteTargetIndex   OBJECT-TYPE
            SYNTAX          Unsigned32
            MAX-ACCESS      not-accessible
            STATUS          current
            DESCRIPTION
            "This index along with vplsConfigIndex,identifies one entry
             in the vplsBgpRteTargetTable. By keeping vplsConfigIndex
             constant and using new value of vplsBgpRteTargetIndex user
              can configure multiple Route Targets for the same Vpls.
            "
            ::= { vplsBgpADConfigEntry 1 }

      vplsBgpRteTargetRTType  OBJECT-TYPE
            SYNTAX          VplsBgpRouteTargetType
            MAX-ACCESS      read-create
            STATUS          current
            DESCRIPTION
            " Used to define the type of a route target usage.
              Route targets can be specified to be imported,
              exported, or both.  For a complete definition of a
              route target, see [RFC4364]."
            "
            ::= { vplsBgpADConfigEntry 2 }

      vplsBgpRteTargetRT     OBJECT-TYPE
            SYNTAX          VplsBgpRouteTarget
            MAX-ACCESS      read-create
            STATUS          current
            DESCRIPTION
            " The route target associated with the VPLS service.

         draft-ietf-l2vpn-vpls-mib-04

         draft-ietf-l2vpn-vpls-mib-05 L2-VPN-MIB         Apr 07, 2010         Mar 04, 2011

              For more details on use of route targets
              for a VPLS service, see [RFC4761]
            "
            ::= { vplsBgpADConfigEntry 3 }

      vplsBgpRteTargetRowStatus     OBJECT-TYPE
            SYNTAX          RowStatus
            MAX-ACCESS      read-create
            STATUS          current
            DESCRIPTION
            "This variable is used to create, modify, and/or
             delete a row in this table.  When a row in this
             table is in active(1) state, no objects in that row
             can be modified
            "
            ::= { vplsBgpADConfigEntry 4 }

      vplsStatusNotifEnable  OBJECT-TYPE
            SYNTAX      TruthValue
            MAX-ACCESS  read-write
            STATUS      current
            DESCRIPTION
            "If this object is set to true(1), then it enables
             the emission of vplsStatusChanged
             notification; otherwise this notification is not
             emitted."
            REFERENCE
            "See also [RFC3413] for explanation that
            notifications are under the ultimate control of the
            MIB module in this document."
            DEFVAL { false }
            ::= { vplsObjects 7 }

       vplsNotificationMaxRate OBJECT-TYPE
          SYNTAX       Unsigned32
          MAX-ACCESS   read-write
          STATUS       current
          DESCRIPTION
           "This object indicates the maximum number of
            notifications issued per second. If events occur
            more rapidly, the implementation may simply fail to
            emit these notifications during that period, or may
            queue them until an appropriate time. A value of 0
            means no throttling is applied and events may be
            notified at the rate at which they occur."
          DEFVAL       { 0 }
          ::= { vplsObjects 8 }

         draft-ietf-l2vpn-vpls-mib-04

         draft-ietf-l2vpn-vpls-mib-05 L2-VPN-MIB         Apr 07, 2010         Mar 04, 2011

      -- VPLS Service Notifications

      vplsStatusChanged NOTIFICATION-TYPE
          OBJECTS {
              vplsConfigVpnId,
              vplsConfigAdminStatus,
              vplsStatusOperStatus
          }
          STATUS          current
          DESCRIPTION
               "The vplsStatusChanged notification is generated
                when there is a change in the administrative or
                operating status of a VPLS service."
          ::= { vplsNotifications 1 }

      vplsFwdFullAlarmRaised NOTIFICATION-TYPE
          OBJECTS {
              vplsConfigVpnId,
              vplsConfigFwdFullHighWatermark,
              vplsConfigFwdFullLowWatermark
          }
          STATUS          current
          DESCRIPTION
               "The vplsFwdFullAlarmRaised notification is
                generated when the utilization of the Forwarding
                database is above the value specified by
                vplsConfigFwdFullHighWatermark."
          ::= { vplsNotifications 2 }

      vplsFwdFullAlarmCleared NOTIFICATION-TYPE
          OBJECTS {
              vplsConfigVpnId,
              vplsConfigFwdFullHighWatermark,
              vplsConfigFwdFullLowWatermark
          }
          STATUS          current
          DESCRIPTION
               "The vplsFwdFullAlarmCleared notification is
                generated when the utilization of the Forwarding
                database is below the value specified by
                vplsConfigFwdFullLowWatermark."
          ::= { vplsNotifications 3 }

   -- Compliance requirement for read-only implementations.

   vplsCompliances
     OBJECT IDENTIFIER ::= { vplsConformance 1 }
         draft-ietf-l2vpn-vpls-mib-04
         draft-ietf-l2vpn-vpls-mib-05 L2-VPN-MIB         Apr 07, 2010         Mar 04, 2011

   vplsModuleFullCompliance MODULE-COMPLIANCE
      STATUS current
      DESCRIPTION
           "Compliance requirement for implementations that
            provide full support for VPLS-GENERIC-DRAFT-01-MIB.
            Such devices can then be monitored and configured using
            this MIB module."
      MODULE -- this module

          MANDATORY-GROUPS {
               vplsGroup,
               vplsPwBindGroup,
               vplsNotificationGroup
           }

      ::= { vplsCompliances 1 }

   vplsModuleReadOnlyCompliance MODULE-COMPLIANCE
      STATUS current
      DESCRIPTION
           "Compliance requirement for implementations that only
            provide read-only support for VPLS-GENERIC-DRAFT-01-MIB.
            Such devices can then be monitored but cannot be
            configured using this MIB modules."

      MODULE -- this module

          MANDATORY-GROUPS {
               vplsGroup,
               vplsPwBindGroup,
               vplsNotificationGroup
           }

           OBJECT          vplsConfigName
           MIN-ACCESS      read-only
           DESCRIPTION
               "Write access is not required."

           OBJECT          vplsConfigDescr
           MIN-ACCESS      read-only
           DESCRIPTION
               "Write access is not required."

           OBJECT          vplsConfigAdminStatus
           MIN-ACCESS      read-only
           DESCRIPTION

         draft-ietf-l2vpn-vpls-mib-04

         draft-ietf-l2vpn-vpls-mib-05 L2-VPN-MIB         Apr 07, 2010         Mar 04, 2011

               "Write access is not required."

           OBJECT          vplsConfigMacLearning
           MIN-ACCESS      read-only
           DESCRIPTION
               "Write access is not required."

           OBJECT          vplsConfigDiscardUnknownDest
           MIN-ACCESS      read-only
           DESCRIPTION
               "Write access is not required."

           OBJECT          vplsConfigMacAging
           MIN-ACCESS      read-only
           DESCRIPTION
               "Write access is not required."

           OBJECT          vplsConfigFwdFullHighWatermark
           MIN-ACCESS      read-only
           DESCRIPTION

               "Write access is not required."

           OBJECT          vplsConfigFwdFullLowWatermark
           MIN-ACCESS      read-only
           DESCRIPTION
               "Write access is not required."

           OBJECT          vplsConfigRowStatus
           MIN-ACCESS      read-only
           DESCRIPTION
               "Write access is not required."

           OBJECT          vplsConfigMtu
           MIN-ACCESS      read-only
           DESCRIPTION
               "Write access is not required."

           OBJECT          vplsConfigServiceType
           MIN-ACCESS      read-only
           DESCRIPTION
               "Write access is not required."

           OBJECT          vplsPwBindConfigType
           MIN-ACCESS      read-only
           DESCRIPTION
               "Write access is not required."

         draft-ietf-l2vpn-vpls-mib-04

         draft-ietf-l2vpn-vpls-mib-05 L2-VPN-MIB         Apr 07, 2010         Mar 04, 2011

           OBJECT          vplsPwBindType
           MIN-ACCESS      read-only
           DESCRIPTION
               "Write access is not required."

           OBJECT          vplsPwBindRowStatus
           MIN-ACCESS      read-only
           DESCRIPTION
               "Write access is not required."

      ::= { vplsCompliances 2 }

-- Units of conformance.

      vplsGroups
        OBJECT IDENTIFIER ::= { vplsConformance 2 }

      vplsGroup OBJECT-GROUP
          OBJECTS {
              vplsConfigName,
              vplsConfigDescr,
              vplsConfigAdminStatus,
              vplsConfigMacLearning,
              vplsConfigDiscardUnknownDest,
              vplsConfigMacAging,
              vplsConfigVpnId,
              vplsConfigFwdFullHighWatermark,
              vplsConfigFwdFullLowWatermark,
              vplsConfigRowStatus,
              vplsConfigIndexNext,
              vplsConfigMtu,
              vplsConfigServiceType,
              vplsConfigStorageType,

              vplsStatusOperStatus,
              vplsStatusPeerCount,

              vplsStatusNotifEnable,
              vplsNotificationMaxRate
          }
          STATUS          current
          DESCRIPTION
               "The group of objects supporting
                management of L2VPN VPLS services"
          ::= { vplsGroups 1 }

      vplsPwBindGroup OBJECT-GROUP
         draft-ietf-l2vpn-vpls-mib-04
         draft-ietf-l2vpn-vpls-mib-05 L2-VPN-MIB         Apr 07, 2010         Mar 04, 2011

          OBJECTS {
              vplsPwBindConfigType,
              vplsPwBindType,
              vplsPwBindRowStatus,
              vplsPwBindStorageType
          }
          STATUS          current
          DESCRIPTION
               "The group of objects supporting
                management of
                Pseudo Wire (PW) Binding to VPLS."
          ::= { vplsGroups 2 }

      vplsNotificationGroup NOTIFICATION-GROUP
          NOTIFICATIONS   {
              vplsStatusChanged,
              vplsFwdFullAlarmRaised,
              vplsFwdFullAlarmCleared
          }
          STATUS          current
          DESCRIPTION
               "The group of notifications supporting
                the  Notifications generated for
                VPLS Services"
          ::= { vplsGroups 3 }

       END

6.2  VPLS-LDP-DRAFT-01-MIB Object definitions

    This MIB module makes references to the following documents.
    [RFC2578], [RFC2579], [RFC2580],  [RFC3411],
    [RFC2863], [RFC4001], [RFC4265] and [RFC3813].

      VPLS-LDP-DRAFT-01-MIB DEFINITIONS ::= BEGIN

      IMPORTS
      MODULE-IDENTITY, OBJECT-TYPE,
      Unsigned32, transmission
         FROM SNMPv2-SMI                    -- RFC2578

      MODULE-COMPLIANCE, OBJECT-GROUP
         FROM SNMPv2-CONF                   -- RFC2580

      TruthValue
         FROM SNMPv2-TC                     -- RFC2579
         draft-ietf-l2vpn-vpls-mib-04
         draft-ietf-l2vpn-vpls-mib-05 L2-VPN-MIB         Apr 07, 2010         Mar 04, 2011

      vplsConfigIndex, vplsPwBindIndex
               FROM VPLS-GENERIC-DRAFT-01-MIB;

   vplsLdpDraft01MIB MODULE-IDENTITY
      LAST-UPDATED "200608301200Z"  -- 20 August 2006 12:00:00 GMT
      ORGANIZATION "Layer 2 Virtual Private Networks (L2VPN)
                                 Working  Group"
      CONTACT-INFO
          "
           Thomas D. Nadeau
           Email:  tnadeau@cisco.com

           The L2VPN Working Group (email distribution l2vpn@ietf.org,
           http://www.ietf.org/html.charters/l2vpn-charter.html)
           "

      DESCRIPTION
          "Copyright (C) The IETF Trust (2010). (2011). The initial
           version of this MIB module was published in RFC XXXX.

   -- RFC Editor: Please replace XXXX with RFC number & remove
   --                    this note.

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

           This MIB module contains managed object definitions for
           LDP signalled Virtual Private LAN Services as in
           [RFC4762]

           This MIB module enables the use of any underlying PseudoWire
           network. "

      -- Revision history.

      REVISION
          "200608301200Z"  -- 30 Aug 2006 12:00:00 GMT
      DESCRIPTION "Initial version published as part of RFC YYYY."
   -- RFC Editor: please replace YYYY with IANA assigned value, and
   -- delete this note.

         ::= { transmission XXXX }
   -- RFC Editor: please replace XXXX with IANA assigne value, and
   -- delete this note.

   -- Top-level components of this MIB.

         draft-ietf-l2vpn-vpls-mib-04

         draft-ietf-l2vpn-vpls-mib-05 L2-VPN-MIB         Apr 07, 2010         Mar 04, 2011

   -- Notifications
   vplsLdpNotifications OBJECT IDENTIFIER
                                 ::= { vplsLdpDraft01MIB 0 }

   -- Tables, Scalars
   vplsLdpObjects       OBJECT IDENTIFIER
                                 ::= { vplsLdpDraft01MIB 1 }
   -- Conformance
   vplsLdpConformance   OBJECT IDENTIFIER
                                 ::= { vplsLdpDraft01MIB 2 }

      vplsLdpConfigTable OBJECT-TYPE
          SYNTAX          SEQUENCE OF VplsLdpConfigEntry
          MAX-ACCESS      not-accessible
          STATUS          current
          DESCRIPTION
               "This table specifies information for configuring
                and monitoring LDP specific parameters for
                Virtual Private Lan Services(VPLS)."
          ::= { vplsLdpObjects 1 }

      vplsLdpConfigEntry OBJECT-TYPE
          SYNTAX          VplsLdpConfigEntry
          MAX-ACCESS      not-accessible
          STATUS          current
          DESCRIPTION
           "A row in this table represents LDP specific information
            for Virtual Private Lan Service(VPLS) in a packet network.
            It is indexed by vplsConfigIndex, which uniquely
            identifies a single VPLS.

            A row is automatically created when a VPLS service is
            configured using LDP signalling.

            None of the read-create objects values can be
            changed when vplsRowStatus is in the active(1)
            state. Changes are allowed when the vplsRowStatus
            is in notInService(2) or notReady(3) states only.
            If the operator need to change one of the values
            for an active row the vplsConfigRowStatus should be
            first changed to notInService(2), the objects may
            be changed now, and later to active(1) in order to
            re-initiate the signaling process with the new
            values in effect.
            "
          INDEX           { vplsConfigIndex }
          ::= { vplsLdpConfigTable 1 }

         draft-ietf-l2vpn-vpls-mib-04

         draft-ietf-l2vpn-vpls-mib-05 L2-VPN-MIB         Apr 07, 2010         Mar 04, 2011

     VplsLdpConfigEntry ::=
        SEQUENCE {
         vplsLdpConfigMacAddrWithdraw                   TruthValue
          }

      vplsLdpConfigMacAddrWithdraw OBJECT-TYPE
          SYNTAX          TruthValue
          MAX-ACCESS      read-create
          STATUS          current
          DESCRIPTION
               "This object specifies if MAC address withdrawal
                is enabled in this service. If this object is true then
                Mac address withdrawl Learning is enabled. If false,
                then Mac Learning is disabled."
          DEFVAL          { true }
          ::= { vplsLdpConfigEntry 1 }

      -- VPLS LDP PW Binding Table

      vplsLdpPwBindTable OBJECT-TYPE
          SYNTAX          SEQUENCE OF VplsLdpPwBindEntry
          MAX-ACCESS      not-accessible
          STATUS          current
          DESCRIPTION
               "This table provides LDP specific information for
                an association between a VPLS service and the
                corresponding Pseudo Wires. A service can have more
                than one Pseudo Wire association. Pseudo Wires are
                defined in the pwTable."
          ::= { vplsLdpObjects 2 }

      vplsLdpPwBindEntry OBJECT-TYPE
          SYNTAX          VplsLdpPwBindEntry
          MAX-ACCESS      not-accessible
          STATUS          current
          DESCRIPTION
               "Each row represents an association between a
                VPLS instance and one or more Pseudo Wires
                defined in the pwTable. Each index is unique
                in describing an entry in this table. However
                both indexes are required to define the one
                to many association of service to pseudowire.

                An entry in this table in instantiated only when
                LDP signalling is used to configure VPLS service.

                Each entry in this table provides LDP specific
                information for the VPlS represented by

         draft-ietf-l2vpn-vpls-mib-04

         draft-ietf-l2vpn-vpls-mib-05 L2-VPN-MIB         Apr 07, 2010         Mar 04, 2011

                vplsConfigIndex."
          INDEX  { vplsConfigIndex, vplsPwBindIndex }
          ::= { vplsLdpPwBindTable 1 }

      VplsLdpPwBindEntry ::=
          SEQUENCE {
              vplsLdpPwBindMacAddressLimit       Unsigned32
          }

      vplsLdpPwBindMacAddressLimit OBJECT-TYPE
          SYNTAX          Unsigned32 (0.. 4294967295)
          MAX-ACCESS      read-create
          STATUS          current
          DESCRIPTION
               "The value of this object specifies the maximum number
                of learned and static entries allowed in the
                Forwarding database for this PW Binding. The value 0
                means there is no limit for this PW Binding."
          DEFVAL          { 0 }
          ::= { vplsLdpPwBindEntry 1 }

      -- VPLS Ldp Service Notifications

      vplsLdpPwBindMacTableFull NOTIFICATION-TYPE
          OBJECTS {
              vplsConfigIndex,
              vplsPwBindIndex
          }
          STATUS          current
          DESCRIPTION
               "The vplsLdpPwBindMacTableFull notification is generated
                when the number of learned MAC-Addresses increases to
                the value specified in vplsLdpPwBindMacAddressLimit."
          ::= { vplsLdpNotifications 1 }

   -- Compliance requirement for read-only implementations.

   vplsLdpCompliances
     OBJECT IDENTIFIER ::= { vplsLdpConformance 1 }

   vplsLdpModuleFullCompliance MODULE-COMPLIANCE
      STATUS current
      DESCRIPTION
           "Compliance requirement for implementations that
            provide full support for VPLS-LDP-DRAFT-01-MIB.
            Such devices can then be monitored and configured using

         draft-ietf-l2vpn-vpls-mib-04

         draft-ietf-l2vpn-vpls-mib-05 L2-VPN-MIB         Apr 07, 2010         Mar 04, 2011

            this MIB module."

      MODULE -- this module

          MANDATORY-GROUPS {
               vplsLdpGroup,
               vplsLdpNotificationGroup
           }

      ::= { vplsLdpCompliances 1 }

   vplsLdpModuleReadOnlyCompliance MODULE-COMPLIANCE
      STATUS current
      DESCRIPTION
           "Compliance requirement for implementations that only
            provide read-only support for VPLS-LDP-DRAFT-01-MIB.
            Such devices can then be monitored but cannot be
            configured using this MIB modules."

      MODULE -- this module

          MANDATORY-GROUPS {
               vplsLdpGroup,
               vplsLdpNotificationGroup
           }

           OBJECT          vplsLdpConfigMacAddrWithdraw
           MIN-ACCESS      read-only
           DESCRIPTION
               "Write access is not required."

           OBJECT          vplsLdpPwBindMacAddressLimit
           MIN-ACCESS      read-only
           DESCRIPTION
               "Write access is not required."

        ::= { vplsLdpCompliances 2 }

-- Units of conformance.

      vplsLdpGroups
        OBJECT IDENTIFIER ::= { vplsLdpConformance 2 }

      vplsLdpGroup OBJECT-GROUP
          OBJECTS {
              vplsLdpConfigMacAddrWithdraw,
              vplsLdpPwBindMacAddressLimit

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          }
          STATUS          current
          DESCRIPTION
               "The group of objects supporting
                management of L2VPN VPLS services using LDP."
          ::= { vplsLdpGroups 1 }

       vplsLdpNotificationGroup NOTIFICATION-GROUP
          NOTIFICATIONS   {
              vplsLdpPwBindMacTableFull
          }
          STATUS          current
          DESCRIPTION
               "The group of notifications supporting
                the  Notifications generated for
                VPLS Ldp Service"
          ::= { vplsLdpGroups 2 }

     END

6.3 VPLS-BGP-DRAFT-01-MIB Object definitions

      VPLS-BGP-DRAFT-01-MIB DEFINITIONS ::= BEGIN

      IMPORTS
      MODULE-IDENTITY, OBJECT-TYPE,
       Unsigned32, transmission
         FROM SNMPv2-SMI                    -- RFC2578

      MODULE-COMPLIANCE, OBJECT-GROUP
         FROM SNMPv2-CONF                   -- RFC2580

      RowStatus, StorageType,  TEXTUAL-CONVENTION
         FROM SNMPv2-TC                     -- RFC2579

      SnmpAdminString
         FROM SNMP-FRAMEWORK-MIB            -- RFC3411

      vplsConfigIndex, vplsPwBindIndex
               FROM VPLS-GENERIC-DRAFT-01-MIB
;

   vplsBgpDraft01MIB MODULE-IDENTITY
      LAST-UPDATED "200612061200Z"  -- 06 Dec 2006 12:00:00 GMT
      ORGANIZATION "Layer 2 Virtual Private Networks (L2VPN)
                                 Working  Group"
      CONTACT-INFO
         draft-ietf-l2vpn-vpls-mib-04
         draft-ietf-l2vpn-vpls-mib-05 L2-VPN-MIB         Apr 07, 2010         Mar 04, 2011

          "
           V. J. Shah
           Email: vshah@juniper.net

           The L2VPN Working Group (email distribution l2vpn@ietf.org,
           http://www.ietf.org/html.charters/l2vpn-charter.html)
           "
      DESCRIPTION
          "Copyright (C) The IETF Trust (2010). (2011). The initial
           version of this MIB module was published in RFC XXXX.
   -- RFC Editor: Please replace XXXX with RFC number & remove
   --                    this note.

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

           This MIB module contains managed object definitions for
           BGP signalled Virtual Private LAN Services as in
           [RFC4761]

           This MIB module enables the use of any underlying PseudoWire
           network. "

      -- Revision history.
      REVISION
          "200612061200Z"  -- 06 Dec 2006 12:00:00 GMT
      DESCRIPTION "Initial version published as part of RFC YYYY."
   -- RFC Editor: please replace YYYY with IANA assigned value, and
   -- delete this note.
         ::= { transmission XXXX }
   -- RFC Editor: please replace XXXX with IANA assigne value, and
   -- delete this note.

   -- VPLS BGP specific Textual Conventions.
   VplsBgpRouteDistinguisher ::= TEXTUAL-CONVENTION
      STATUS        current
      DESCRIPTION
          "Syntax for a route distinguisher. For a complete
           definition of a route distinguisher, see [RFC4364].
           For more details on use of a route distinguisher
           for a VPLS service, see [RFC4761]"
      REFERENCE
          "[RFC4364]"
      SYNTAX  OCTET STRING(SIZE (0..256))

   VplsBgpRouteTarget ::= TEXTUAL-CONVENTION
      STATUS        current
      DESCRIPTION
         draft-ietf-l2vpn-vpls-mib-04
         draft-ietf-l2vpn-vpls-mib-05 L2-VPN-MIB         Apr 07, 2010         Mar 04, 2011

          "Syntax for a route target. For a complete
           definition of a route target, see [RFC4364]."
      REFERENCE
          "[RFC4364]"
      SYNTAX  OCTET STRING(SIZE (0..256))

   -- Top-level components of this MIB.

   -- Tables, Scalars
   vplsBgpObjects       OBJECT IDENTIFIER
                                 ::= { vplsBgpDraft01MIB 1 }
   -- Conformance
   vplsBgpConformance   OBJECT IDENTIFIER
                                 ::= { vplsBgpDraft01MIB 2 }

      -- Vpls Bgp Config Table

      vplsBgpConfigTable OBJECT-TYPE
          SYNTAX          SEQUENCE OF VplsBgpConfigEntry
          MAX-ACCESS      not-accessible
          STATUS          current
          DESCRIPTION
               "This table specifies information for configuring
                and monitoring BGP specific parameters for
                Virtual Private Lan Services(VPLS)."
          ::= { vplsBgpObjects 1 }

      vplsBgpConfigEntry OBJECT-TYPE
          SYNTAX          VplsBgpConfigEntry
          MAX-ACCESS      not-accessible
          STATUS          current
          DESCRIPTION
           "A row in this table represents BGP specific information
            for Virtual Private Lan Service(VPLS) in a packet network.
            It is indexed by vplsConfigIndex, which uniquely
            identifies a single instance of a VPLS service.

            A row is automatically created when a VPLS service is
            configured using BGP signalling.

            None of the read-create objects values can be
            changed when vplsRowStatus is in the active(1)
            state. Changes are allowed when the vplsRowStatus
            is in notInService(2) or notReady(3) states only.
            If the operator need to change one of the values
            for an active row the vplsConfigRowStatus should be
            first changed to notInService(2), the objects may
            be changed now, and later to active(1) in order to

         draft-ietf-l2vpn-vpls-mib-04

         draft-ietf-l2vpn-vpls-mib-05 L2-VPN-MIB         Apr 07, 2010         Mar 04, 2011

            re-initiate the signaling process with the new
            values in effect.
            "
          INDEX           { vplsConfigIndex }
          ::= { vplsBgpConfigTable 1 }

     VplsBgpConfigEntry ::=
        SEQUENCE {
         vplsBgpConfigVERangeSize         Unsigned32
        }

     vplsBgpConfigVERangeSize   OBJECT-TYPE
        SYNTAX        Unsigned32 (0..65535)
        MAX-ACCESS    read-create
        STATUS        current
        DESCRIPTION
            "Specifies the size of the range of VE ids in this
             VPLS service. This number controls the size of the
             label block advertised for this VE by the PE.
             A value of 0 indicates that the range is not
             configured and the PE derives the range value
             from received advertisements from other PEs."
        DEFVAL           { 0 }
        ::= { vplsBgpConfigEntry 1 }

     -- Vpls Edge Device (VE) Identifier Table

     vplsBgpVETable OBJECT-TYPE
         SYNTAX        SEQUENCE OF VplsBgpVEEntry
         MAX-ACCESS    not-accessible
         STATUS        current
         DESCRIPTION
            "This table associates VPLS Edge devices to a VPLS service"
         ::= { vplsBgpObjects 2 }

     vplsBgpVEEntry OBJECT-TYPE
         SYNTAX        VplsBgpVEEntry
         MAX-ACCESS    not-accessible
         STATUS        current
         DESCRIPTION
            "An entry in this table is created for each VE Id
             configured on a PE for a particular VPLS service
             instance."
         INDEX  { vplsConfigIndex, vplsBgpVEId }
         ::= { vplsBgpVETable 1 }

     VplsBgpVEEntry ::= SEQUENCE {
          vplsBgpVEId          Unsigned32,

         draft-ietf-l2vpn-vpls-mib-04

         draft-ietf-l2vpn-vpls-mib-05 L2-VPN-MIB         Apr 07, 2010         Mar 04, 2011

          vplsBgpVEName        SnmpAdminString,
          vplsBgpVEPreference  Unsigned32,
          vplsBgpVERowStatus   RowStatus,
          vplsBgpVEStorageType StorageType
        }

     vplsBgpVEId OBJECT-TYPE
        SYNTAX        Unsigned32 (1..65535)
        MAX-ACCESS    not-accessible
        STATUS        current
        DESCRIPTION
            "A secondary index identifying a VE within an
             instance of a VPLS service."
        ::= { vplsBgpVEEntry 1 }

     vplsBgpVEName OBJECT-TYPE
        SYNTAX        SnmpAdminString
        MAX-ACCESS    read-create
        STATUS        current
        DESCRIPTION
            "Descriptive name for the site or u-PE assciated with
             this VE Id."
        DEFVAL { "" }
        ::= { vplsBgpVEEntry 2 }

     vplsBgpVEPreference OBJECT-TYPE
        SYNTAX        Unsigned32 (0..65535)
        MAX-ACCESS    read-create
        STATUS        current
        DESCRIPTION
            "Specifies the preference of the VE Id on this PE
             if the site is multi-homed and VE Id is re-used."
        DEFVAL           { 0 }
        ::= { vplsBgpVEEntry 3 }

     vplsBgpVERowStatus OBJECT-TYPE
        SYNTAX        RowStatus
        MAX-ACCESS    read-create
        STATUS        current
        DESCRIPTION
            "This variable is used to create, modify, and/or
             delete a row in this table.  When a row in this
             table is in active(1) state, no objects in that row
             can be modified except vplsBgpSiteRowStatus."
        ::= { vplsBgpVEEntry 5 }

     vplsBgpVEStorageType OBJECT-TYPE
          SYNTAX        StorageType

         draft-ietf-l2vpn-vpls-mib-04

         draft-ietf-l2vpn-vpls-mib-05 L2-VPN-MIB         Apr 07, 2010         Mar 04, 2011

          MAX-ACCESS    read-create
          STATUS        current
          DESCRIPTION
               "This variable indicates the storage type for this row."
          DEFVAL { volatile }
          ::= { vplsBgpVEEntry 6 }

      -- VPLS BGP PW Binding Table

      vplsBgpPwBindTable OBJECT-TYPE
          SYNTAX          SEQUENCE OF VplsBgpPwBindEntry
          MAX-ACCESS      not-accessible
          STATUS          current
          DESCRIPTION
               "This table provides BGP specific information for
                an association between a VPLS service and the
                corresponding Pseudo Wires. A service can have more
                than one Pseudo Wire association. Pseudo Wires are
                defined in the pwTable."
          ::= { vplsBgpObjects 3 }

      vplsBgpPwBindEntry OBJECT-TYPE
          SYNTAX          VplsBgpPwBindEntry
          MAX-ACCESS      not-accessible
          STATUS          current
          DESCRIPTION
               "Each row represents an association between a
                VPLS instance and one or more Pseudo Wires
                defined in the pwTable. Each index is unique
                in describing an entry in this table. However
                both indexes are required to define the one
                to many association of service to pseudowire.

                An entry in this table in instantiated only when
                BGP signalling is used to configure VPLS service.

                Each entry in this table provides BGP specific
                information for the VPlS represented by
                vplsConfigIndex."
          INDEX  { vplsConfigIndex, vplsPwBindIndex }
          ::= { vplsBgpPwBindTable 1 }

      VplsBgpPwBindEntry ::=
          SEQUENCE {
              vplsBgpPwBindLocalVEId        Unsigned32,
              vplsBgpPwBindRemoteVEId       Unsigned32
          }

         draft-ietf-l2vpn-vpls-mib-04

         draft-ietf-l2vpn-vpls-mib-05 L2-VPN-MIB         Apr 07, 2010         Mar 04, 2011

      vplsBgpPwBindLocalVEId   OBJECT-TYPE
           SYNTAX          Unsigned32 (1..65535)
           MAX-ACCESS      read-only
           STATUS          current
           DESCRIPTION
                "Identifies the local VE that this Pseudo Wire
                 is associated with."
          ::= { vplsBgpPwBindEntry 1 }

      vplsBgpPwBindRemoteVEId   OBJECT-TYPE
           SYNTAX          Unsigned32 (1..65535)
           MAX-ACCESS      read-only
           STATUS          current
           DESCRIPTION
                "Identifies the remote VE that this Pseudo Wire
                 is associated with."
          ::= { vplsBgpPwBindEntry 2 }

   -- Compliance requirement for read-only implementations.

   vplsBgpCompliances
     OBJECT IDENTIFIER ::= { vplsBgpConformance 1 }

   vplsBgpModuleFullCompliance MODULE-COMPLIANCE
      STATUS current
      DESCRIPTION
           "Compliance requirement for implementations that
            provide full support for VPLS-BGP-DRAFT-01-MIB.
            Such devices can then be monitored and configured using
            this MIB module."

      MODULE -- this module

          MANDATORY-GROUPS {
               vplsBgpConfigGroup,
               vplsBgpVEGroup,
               vplsBgpPwBindGroup
           }
      ::= { vplsBgpCompliances 1 }

   vplsBgpModuleReadOnlyCompliance MODULE-COMPLIANCE
      STATUS current
      DESCRIPTION
           "Compliance requirement for implementations that only
            provide read-only support for VPLS-BGP-DRAFT-01-MIB.
            Such devices can then be monitored but cannot be
            configured using this MIB modules."

         draft-ietf-l2vpn-vpls-mib-04

         draft-ietf-l2vpn-vpls-mib-05 L2-VPN-MIB         Apr 07, 2010         Mar 04, 2011

      MODULE -- this module

          MANDATORY-GROUPS {
               vplsBgpConfigGroup,
               vplsBgpVEGroup,
               vplsBgpPwBindGroup
           }

           OBJECT          vplsBgpConfigRouteDistinguisher
           MIN-ACCESS      read-only
           DESCRIPTION
               "Write access is not required."

           OBJECT          vplsBgpConfigRouteTarget
           MIN-ACCESS      read-only
           DESCRIPTION
               "Write access is not required."

           OBJECT          vplsBgpConfigVERangeSize
           MIN-ACCESS      read-only
           DESCRIPTION
               "Write access is not required."

           OBJECT          vplsBgpVEName
           MIN-ACCESS      read-only
           DESCRIPTION
               "Write access is not required."

           OBJECT          vplsBgpVEPreference
           MIN-ACCESS      read-only
           DESCRIPTION
               "Write access is not required."

           OBJECT          vplsBgpVERowStatus
           MIN-ACCESS      read-only
           DESCRIPTION
               "Write access is not required."

      ::= { vplsBgpCompliances 2 }

-- Units of conformance.

      vplsBgpGroups
        OBJECT IDENTIFIER ::= { vplsBgpConformance 2 }

      vplsBgpConfigGroup OBJECT-GROUP
          OBJECTS {

         draft-ietf-l2vpn-vpls-mib-04

         draft-ietf-l2vpn-vpls-mib-05 L2-VPN-MIB         Apr 07, 2010         Mar 04, 2011

              vplsBgpConfigVERangeSize
          }
          STATUS          current
          DESCRIPTION
               "The group of objects supporting configuration
                of L2VPN VPLS services using BGP"
          ::= { vplsBgpGroups 1 }

      vplsBgpVEGroup OBJECT-GROUP
          OBJECTS {
              vplsBgpVEName,
              vplsBgpVEPreference,
              vplsBgpVERowStatus,
              vplsBgpVEStorageType
          }
          STATUS          current
          DESCRIPTION
               "The group of objects supporting management of VPLS
                Edge devices for L2VPN VPLS services using BGP"
          ::= { vplsBgpGroups 2 }

      vplsBgpPwBindGroup OBJECT-GROUP
          OBJECTS {
              vplsBgpPwBindLocalVEId,
              vplsBgpPwBindRemoteVEId
          }
          STATUS          current
          DESCRIPTION
               "The group of objects supporting management of
                Pseudo Wires for L2VPN VPLS services using BGP"
          ::= { vplsBgpGroups 3 }

     END

7. Security Considerations

   It is clear that the MIB modules described in this document in
   association with the PW-STD-MIB [RFC5601] are potentially
   useful for monitoring of GMPLS LSRs. These MIB modules can also be
   used for configuration of certain objects, and anything that can be
   configured can be incorrectly configured, with potentially disastrous
   results.

   There are a number of management objects defined in these MIB modules
   with a MAX-ACCESS clause of read-write and/or read-create. Such
   objects may be considered sensitive or vulnerable in some network
   environments. The support for SET operations in a non-secure
   environment without proper protection can have a negative effect on
         draft-ietf-l2vpn-vpls-mib-04
         draft-ietf-l2vpn-vpls-mib-05 L2-VPN-MIB         Apr 07, 2010         Mar 04, 2011

   network operations. These are the tables and objects and their
   sensitivity/vulnerability:

8. IANA Considerations

-- (Note to RFC-Editor:)
-- We request that you assign contiguous RFC numbers to the
--   IANA is requested to root MIB objects in the MIB module
--   contained in this document under the transmission subtree.
--

9. References

9.1 Normative References

   [RFC2119] S. Bradner, "Key Words for use in RFCs to Indicate
             Requirement Levels", RFC 2119, BCP 14, March 1997.

   [RFC2863]  McCloghrie, K. and F. Kastenholtz, "The Interfaces Group
              MIB", RFC 2863, June 2000.

   [RFC3413]  Levi, D., Meyer, P., and B. Stewart, "Simple Network
              Management Protocol (SNMP) Applications", STD 62, RFC
              3413, December 2002.

   [RFC3415]  Wijnen, B., Presuhn, R. and K. McCloghrie, "View-
              based Access Control Model (VACM) for the Simple
              Network Management Protocol (SNMP)", STD 62, RFC
              3415, December 2002.

   [RFC3813] Srinivasan, C., Viswanathan, A. and Nadeau, T.,
             "Multiprotocol Label Switching (MPLS) Label Switching
              Router (LSR) Management Information Base",
              RFC 3813, June 2004

   [RFC3985]  Bryant, S. and P. Pate, "Pseudo Wire Emulation Edge-to-
              Edge (PWE3) Architecture", RFC 3985, March 2005.

   [RFC4001]  Daniele, M., Haberman, B., Routhier, S., and J.
              Schoenwaelder, "Textual Conventions for Internet Network
              Addresses", RFC 4001, Feb 2005.

   [RFC4188]  Norseth, K., and Bell, E., "Definitions of Managed
              Objects for Bridges", RFC 4188, Sept 2006.

   [RFC4265]  Schliesser, B. and T. Nadeau, "Definition of Textual
              Conventions for Virtual Private Network (VPN) Management",
              RFC 4265, November 2005.

         draft-ietf-l2vpn-vpls-mib-04

         draft-ietf-l2vpn-vpls-mib-05 L2-VPN-MIB         Apr 07, 2010         Mar 04, 2011

   [RFC4364]  Rosen, E. and Y. Rekhter, "BGP/MPLS IP Virtual Private
              Networks (VPNs)", RFC 4364, February 2006.

   [RFC4761]  Kompella, K. and Y. Rekhter, "Virtual Private LAN Service
             (VPLS) Using BGP for Auto-Discovery and Signaling",RFC
             4761, January 2007.

   [RFC4762] Lasserre, M. and Kompella, V. (Editors), "Virtual Private
             LAN Service (VPLS) Using Label Distribution Protocol (LDP)
             Signaling", RFC 4762, January 2007.

   [RFC5601] T. Nadeau, Ed., D. Zelig, Ed., "Pseudowire (PW)
             Management Information Base (MIB)", RFC 5601, July 2009.

9.2 Informative References

   [RFC2578]    McCloghrie, K., Perkins, D., Schoenwaelder, J., Case,
                J., Rose, M., and S. Waldbusser, "Structure of
                Management Information Version 2 (SMIv2)", STD 58, RFC
                2578, April 1999.

   [RFC2579]    McCloghrie, K., Perkins, D., Schoenwaelder, J., Case,
                J., Rose, M., and S. Waldbusser, "Textual Conventions
                for SMIv2", STD 58, RFC 2579, April 1999.
   [RFC2580]    McCloghrie, K., Perkins, D., Schoenwaelder, J., Case,
                J., Rose, M., and S. Waldbusser, "Conformance
                Statements for SMIv2", STD 58, RFC 2580, April 1999.

   [RFC3410]    Case, J., Mundy, R., Partain, D., and B. Stewart,
                 "Introduction and Applicability Statements for
                  Internet-Standard Management Framework", RFC 3410,
                 December 2002.

   [RFC3411]  Harrington, D., Presuhn, R., and B. Wijnen, "An
              Architecture for Describing Simple Network Management
              Protocol (SNMP) Management Frameworks", STD 62, RFC 3411,
              December 2002.

   [SNMP-CONTEXT-MAP-MIB] SNMP Context Mapping MIB, AS, Kiran Koushik,
                    Nadeau, T, draft-kkoushik-snmp-context-map-mib.

         draft-ietf-l2vpn-vpls-mib-04

         draft-ietf-l2vpn-vpls-mib-05 L2-VPN-MIB         Apr 07, 2010         Mar 04, 2011

10 Acknowledgement

      We wish to thank Marcelo Mourier and Reva Bailey for their
      valuable feedback. Some portion of the work has been referenced
      from their original Timetra Enterprise MIB work.

11 Authors' Addresses

      Thomas D. Nadeau
      Cisco Systems, Inc.
      1414 Massachusetts Ave.
      Boxborough, MA 01719
      Email: tnadeau@cisco.com

      A S Kiran Koushik
      Cisco Systems Inc.
      12515 Research Blvd, Bldg 4,
      Austin, TX 78759
      Email: kkoushik@cisco.com

      Rohit Mediratta
      Alcatel-Lucent,
      701 E Middlefield Rd.
      Mountain View, CA 94040
      Email: rohit.mediratta@alcatel-lucent.com

      Praveen Muley
      Alcatel-Lucent
      Email: praveen.muley@alcatel-lucent.com

      Reva Bailey
      Alcatel-Lucent
      Email: reva.bailey@alcatel-lucent.com

      VJ Shah
      Juniper Networks
      Email: vshah@juniper.net
         draft-ietf-l2vpn-vpls-mib-04
         draft-ietf-l2vpn-vpls-mib-05 L2-VPN-MIB         Apr 07, 2010         Mar 04, 2011

      Li Wentao
      ZTE Inc.
      CHINA
      Email: li.wentao@zte.com.cn

      Kong Yong
      ZTE Inc.
      CHINA
      Email: kong.yong@zte.com.cn

      Luo Jian
      ZTE Inc.
      CHINA
      Email: luo.jian@zte.com.cn

      Feng Jun
      ZTE Inc.
      CHINA
      Email: Feng.jun99@zte.com.cn

      Takeshi Usui
      KDDI Corpration
      Japan
      Email:ta-usui@kddi.com

12 Full Copyright Statement

   Copyright (c) 2010 2011 IETF Trust and the persons identified as the
   document authors. All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal
   Provisions Relating to IETF Documents
   (http://trustee.ietf.org/license-info) in effect on the date of
   publication of this document. Please review these documents
   carefully, as they describe your rights and restrictions with respect
   to this document. Code Components extracted from this document must
   include Simplified BSD License text as described in Section 4.e of
   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

   This document may contain material from IETF Documents or IETF
   Contributions published or made publicly available before November
   10, 2008.  The person(s) controlling the copyright in some of this
   material may not have granted the IETF Trust the right to allow
   modifications of such material outside the IETF Standards Process.
   Without obtaining an adequate license from the person(s)
   controlling the copyright in such materials, this document may not
   be modified outside the IETF Standards Process, and derivative
   works of it may not be created outside the IETF Standards Process,
   except to format it for publication as an RFC or to translate it
   into languages other than English.