TOC 
MEXT Working Group Sri Gundavelli
Internet-DraftCisco
Intended status: Standards Track Glenn M. Keeni
Expires: May 24, 2009Cyber Solutions
  Kazuhide Koide
 Tohoku University
  Kenichi Nagami
 INTEC NetCore
 November 20, 2008


NEMO Management Information Base
draft-ietf-mext-nemo-mib-02

Status of this Memo

By submitting this Internet-Draft, each author represents that any applicable patent or other IPR claims of which he or she is aware have been or will be disclosed, and any of which he or she becomes aware will be disclosed, in accordance with Section 6 of BCP 79.

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

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

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

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

This Internet-Draft will expire on May 24, 2009.

Abstract

This memo defines a portion of the Management Information Base (MIB), the network mobility support (NEMO) MIB, for use with network management protocols in the Internet community. In particular, the NEMO MIB will be used to monitor and control a Mobile IPv6 node with NEMO functionality.



Table of Contents

1.  The Internet-Standard Management Framework
2.  Overview
    2.1.  The Mobile IPv6 Protocol and NEMO entities
    2.2.  Implementation Guidance
    2.3.  Terminology
    2.4.  MIB Design
    2.5.  The NEMO MIB
    2.6.  IANA Considerations
    2.7.  Security Considerations
    2.8.  Acknowledgments
    2.9.  References
    2.10.  Normative References
    2.11.  Informative References
§  Authors' Addresses
§  Intellectual Property and Copyright Statements




 TOC 

1.  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, RFC 2578 [RFC2578], STD 58, RFC 2579 [RFC2579] and STD 58, RFC 2580 [RFC2580].



 TOC 

2.  Overview





 TOC 

2.1.  The Mobile IPv6 Protocol and NEMO entities

Mobile IPv6 (MIPv6) [RFC3775] specifies a protocol which allows nodes to remain reachable while moving around in the IPv6 Internet. Network Mobility Basic Support (NEMO) [RFC3963] is an extension to the Mobile IPv6 protocol which facilitates the movement of an entire network. The goals of Network Mobility support and related terminology are discussed in [RFC4886] and [RFC4885], respectively.

Typically mobile routers implement NEMO functionality for achieving network mobility. However, a mobile router may also function as a mobile node. In the context of this document, an entity that implements the NEMO protocol is a NEMO entity.

This document defines a set of managed objects (MOs) that can be used to monitor and control NEMO entities.





 TOC 

2.2.  Implementation Guidance

This document focuses on the management of a NEMO entity. The MIPv6MIB [RFC4295] defines the managed objects for a mobile node. Implementations supporting both the mobile node and NEMO functionality SHOULD implement the managed objects defined for the NEMO entities and mobile nodes from both the MIPv6MIB and NEMOMIB.





 TOC 

2.3.  Terminology

The terminology used in this document is consistent with the definitions used in the Mobile IPv6 protocol specification [RFC3775] and the NEMO Basic Support specification [RFC3963].

The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be interpreted as described in BCP 14, RFC 2119 [RFC2119].





 TOC 

2.4.  MIB Design

The NEMO MIB comprises of the following groups of definitions:

- nemoCore: a generic group containing objects that are common to all the NEMO entities.

- nemoHa: this group models the home agent service. It is composed of objects specific to the services and associated advertisement parameters offered by the home agent on each of its links. It also contains objects pertaining to the maintenance of the home agent list on each of the links on which the service is offered.

- nemoMr: this group models the mobile router service. It is composed of objects specific to the Dynamic Home Agent discovery function and related parameters. It also contains objects that record the movement of the mobile router.

- nemoNotifications: defines the set of notifications that will be used to asynchronously monitor the NEMO entities.

The tables contained in the above groups are as follows:

nemoBindingCacheTable : models the binding cache on the home agent and correspondent node. It contains details of the Binding Update requests that have been received and accepted.

nemoMrEgressIfTable : contains information on the configured egress interfaces.

nemoMrBLTable : models the Binding Update List on the mobile router. It contains information about the registration requests sent by the mobile router and the corresponding results.

nemoHaCounterTable : contains registration statistics for all mobile routers registered with the home agent.

nemoHaMobileNetworkPrefixTable : contains the list of the mobile network prefixes that are maintained by the home agent.





 TOC 

2.5.  The NEMO MIB


     NEMO-MIB DEFINITIONS ::= BEGIN
      IMPORTS
        MODULE-IDENTITY,  mib-2, Unsigned32, Counter32,
        Integer32, Gauge32,
     -- Counter64,
        OBJECT-TYPE, NOTIFICATION-TYPE
                   FROM SNMPv2-SMI
        TEXTUAL-CONVENTION,
        TruthValue, DateAndTime, TimeStamp
                   FROM SNMPv2-TC
        SnmpAdminString
                   FROM SNMP-FRAMEWORK-MIB
        MODULE-COMPLIANCE, OBJECT-GROUP, NOTIFICATION-GROUP
                   FROM SNMPv2-CONF
        InetAddressType, InetAddress, InetAddressPrefixLength
                   FROM INET-ADDRESS-MIB
        InterfaceIndex
                   FROM IF-MIB
        mip6BindingHomeAddressType, mip6BindingHomeAddress,
        mip6MnBLEntry, mip6BindingCacheEntry,
     -- mip6MnHomeAddressType, mip6MnHomeAddress,
        mip6MnBLCOAType, mip6MnBLCOA
                   FROM MOBILEIPV6-MIB
        ;



     nemoMIB MODULE-IDENTITY
         LAST-UPDATED "200811160000Z"        --  16th November, 2008
         ORGANIZATION "IETF MEXT Working Group"
         CONTACT-INFO
            "           Sri Gundavelli
                Postal: Cisco
                        170 W.Tasman Drive,
                        San Jose, CA 95134
                        USA
                   Tel: +1-408-527-6109
                 Email: sgundave@cisco.com


                        Glenn Mansfield Keeni
                Postal: Cyber Solutions Inc.
                        6-6-3, Minami Yoshinari
                        Aoba-ku, Sendai, Japan 989-3204.
                   Tel: +81-22-303-4012
                   Fax: +81-22-303-4015
                E-mail: glenn@cysols.com


                        Kenichi Nagami
                Postal: INTEC NetCore Inc.
                        1-3-3, Shin-suna
                        Koto-ku, Tokyo, 135-0075
                        Japan
                   Tel: +81-3-5665-5069
                E-mail: nagami@inetcore.com


                        Kazuhide Koide
                Postal: Tohoku University
                        Research Institute of Electrical Communication,
                        Tohoku University.
                        2-1-1 Katahira, Aoba-ku,
                        Sendai, Miyagi, Japan 980-8577.
                   Tel: +81-22-217-5455
                E-mail: koide@shiratori.riec.tohoku.ac.jp


            Support Group E-mail: mext@ietf.org
            "


            DESCRIPTION
                    "The MIB module for monitoring a NEMO entity.


                     Copyright (C) The IETF Trust (2008).  This
                     version of this MIB module is part of RFC XXXX;
                     see the RFC itself for full legal notices.
                    "
      -- RFC Ed.: replace XXXX with actual RFC number and remove this
      --          note


             REVISION    "200811160000Z"      -- 16th November 2008
             DESCRIPTION "Initial version, published as RFC XXXX."


      -- RFC Ed.: replace XXXX with actual RFC number and remove this
      --          note


                  ::= { mib-2  YYY } -- will be assigned by IANA


      -- IANA Reg.: Please assign a value for "YYY" under the 'mib-2'
      -- subtree and record the assignment in the SMI Numbers
      -- registry.
      --
      -- RFC Ed.: When the above assignment has been made, please
      --     remove the above note
      --     replace "YYY" here with the assigned value and
      --     remove this note.



      -- The NEMO MIB has the following primary groups


      nemoNotifications        OBJECT IDENTIFIER ::= { nemoMIB 0 }
      nemoObjects              OBJECT IDENTIFIER ::= { nemoMIB 1 }
      nemoConformance          OBJECT IDENTIFIER ::= { nemoMIB 3 }
      nemoCore                 OBJECT IDENTIFIER ::= { nemoObjects 1 }
      nemoMr                   OBJECT IDENTIFIER ::= { nemoObjects 2 }
      nemoCn                   OBJECT IDENTIFIER ::= { nemoObjects 3 }
      nemoHa                   OBJECT IDENTIFIER ::= { nemoObjects 4 }

       -- The sub groups

      nemoSystem               OBJECT IDENTIFIER ::= { nemoCore 1 }
      nemoBindings             OBJECT IDENTIFIER ::= { nemoCore 2 }
      nemoConfiguration        OBJECT IDENTIFIER ::= { nemoCore 3 }
      nemoStats                OBJECT IDENTIFIER ::= { nemoCore 4 }


      nemoMrSystem             OBJECT IDENTIFIER ::= { nemoMr 1 }
      nemoMrConf               OBJECT IDENTIFIER ::= { nemoMr 2 }
      nemoMrRegistration       OBJECT IDENTIFIER ::= { nemoMr 3 }
      nemoMrGlobalStats        OBJECT IDENTIFIER ::= { nemoMr 4 }

      nemoHaAdvertisement      OBJECT IDENTIFIER ::= { nemoHa 1 }
      nemoHaStats              OBJECT IDENTIFIER ::= { nemoHa 2 }
      nemoHaRegistration       OBJECT IDENTIFIER ::= { nemoHa 3 }
      nemoHaGlobalStats        OBJECT IDENTIFIER ::= { nemoHaStats 1 }





      -- Textual Conventions
  --  NemoStatus ::= TEXTUAL-CONVENTION
  --      STATUS        current
  --      DESCRIPTION
  --              "This object represents the state of the NEMO
  --               entity. The entity could be at home, isolated,
  --               roaming or in unknown state.
  --              "
  --      SYNTAX  INTEGER {
  --                       isolated (1),
  --                       roaming  (2),
  --                       home     (3),
  --                       unknown  (4)
  --                      }
    NemoBURequestRejectionCode ::= TEXTUAL-CONVENTION
           STATUS        current
           DESCRIPTION
                   "The value of the status field in the Binding
                    Acknowledgment message when the Binding Update
                    was rejected for NEMO specific conditions.
                   "
           REFERENCE
                   "RFC 3963 : Section 4.2"
           SYNTAX  INTEGER {
                   mobileRouterOperationNotPermitted (1),  --(Code 140)
                   invalidPrefix                     (2),  --(Code 141)
                   notAuthorizedForPrefix            (3),  --(Code 142)
                   forwardingSetupFailed             (4)   --(Code 143)
                  }



      --
      --
      -- nemoSystem group
      --
      --

      nemoCapabilities OBJECT-TYPE
          SYNTAX      BITS {
                           mobileRouter       (0),
                           homeAgentSupport   (1)
                      }
          MAX-ACCESS  read-only
          STATUS      current
          DESCRIPTION
                  "This object indicates the NEMO functions that
                   are supported by this managed entity.  Multiple
                   NEMO functions may be supported by a
                   single entity.
                  "
          REFERENCE
                  "RFC 3963 : Section 3"
          ::= { nemoSystem 1 }

      nemoStatus OBJECT-TYPE
          SYNTAX      INTEGER { enabled(1), disabled(2) }
          MAX-ACCESS  read-write
          STATUS      current
          DESCRIPTION
                  "This object indicates whether the NEMO
                   function is enabled for the managed entity.  If it
                   is enabled, the agent discovery and registration
                   functions will be operational.
                   Changing the status from enabled(1) to disabled(2)
                   will terminate the agent discovery and registration
                   functions.  On the other hand, changing the status
                   from disabled(2) to enabled(1) will start the agent
                   discovery and registration functions.

                   The value of this object SHOULD remain unchanged
                   across reboots of the managed entity.
                  "
          ::= { nemoSystem 2 }


     nemoCounterDiscontinuityTime OBJECT-TYPE
        SYNTAX      TimeStamp
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
                "The value of sysUpTime on the most recent occasion
                 at which any one or more of this NEMO entity's
                 counters viz, counters with OID prefix 'nemoMrConf'
                 or 'nemoMrRegnCounters' or 'nemoMrGlobalStats'
                 or 'nemoHaGlobalStats' suffered a discontinuity.
                 If no such discontinuities have occurred since the
                 last re-initialization of the local management
                 subsystem, then this object will have a zero value.
                "
        ::= { nemoStats 1 }    -- This will change !! GLENN
     --
     --
     --   nemoConfiguration group
     --
     --

    nemoMrBLTable OBJECT-TYPE
        SYNTAX      SEQUENCE OF NemoMrBLEntry
        MAX-ACCESS  not-accessible
        STATUS      current
        DESCRIPTION
                "This table corresponds to the Binding Update List
                (BL) that includes NEMO related information and
                 is maintained by the mobile router. The table
                 holds a row for every binding that the mobile
                 router has established or is trying to establish.
                 Entries from the table are deleted as the lifetime
                 of the binding expires.
                "
        REFERENCE
                "RFC 3775 : Section 4.5, 11.1, RFC 3963 : Section 5.2"
        ::= { nemoMrRegistration 1 }


    nemoMrBLEntry  OBJECT-TYPE
        SYNTAX      NemoMrBLEntry
        MAX-ACCESS  not-accessible
        STATUS      current
        DESCRIPTION
                "An entry containing additional information contained
                 in a Binding Update sent by a nemo-enabled mobile
                 router to its home agent.
                "
        AUGMENTS {mip6MnBLEntry}
    ::= { nemoMrBLTable 1 }

    NemoMrBLEntry ::= SEQUENCE {
        nemoMrBLMode     BITS,
        nemoMrBLMrFlag   TruthValue,
        nemoMrBLHomeAddressPrefixLength   InetAddressPrefixLength,
        nemoMrBLCareofAddressPrefixLength InetAddressPrefixLength,
        nemoMrBLActiveEgressIfIndex       InterfaceIndex,
        nemoMrBLEstablishedHomeTunnelIfIndex InterfaceIndex
        }
    nemoMrBLMode OBJECT-TYPE
        SYNTAX      BITS {
          implicitMode (0),
          explicitMode (1)
                    }
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
                "implicitMode(0) if the Mobile Router does not include a
                 Mobile Network Prefix Option in the Binding Update. The
                 Home Agent can use any mechanism (not defined in this
                 document) to determine the Mobile Network Prefix(es)
                 owned by the Mobile Router and to set up forwarding for
                 the Mobile Network. One example would be manual
                 configuration at the Home Agent mapping the Mobile
                 Router's Home Address to the information required for
                 setting up forwarding for the Mobile Network.
                 explicitMode(1) if the Mobile Router includes one or
                 more Mobile Network Prefix Options in the Binding
                 Update.  These options contain information about the
                 Mobile Network Prefix(es) configured on the Mobile
                 Network.
                "
        REFERENCE
                "RFC 3963 : Section 5.2"
        ::= { nemoMrBLEntry 1 }

    nemoMrBLMrFlag OBJECT-TYPE
        SYNTAX      TruthValue
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
                "true(1) if the mobile router sent the binding update
                 with Mobile Router Flag that indicates to the home
                 agent that the binding update is from a mobile router.
                 false(0) implies that the mobile router is acting
                 as a mobile node.
                "
        REFERENCE
                "RFC 3963 : Section 4.1, 5.1"
        ::= { nemoMrBLEntry 2 }


    nemoMrBLHomeAddressPrefixLength  OBJECT-TYPE
        SYNTAX      InetAddressPrefixLength
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
                "The prefix length of the home address that the
                 mobile router is using for roaming.
                "
        REFERENCE
            "RFC 3963 : Section 3"
        ::= { nemoMrBLEntry 3 }


    nemoMrBLCareofAddressPrefixLength  OBJECT-TYPE
        SYNTAX      InetAddressPrefixLength
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
                "The prefix length of the care-of Address that the
                 mobile router currently is using for roaming.
                "
        REFERENCE
            "RFC 3963 : Section 3"
        ::= { nemoMrBLEntry 4 }


    nemoMrBLActiveEgressIfIndex OBJECT-TYPE
        SYNTAX      InterfaceIndex
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
                "The interface index of the currently active
                 egress interface.
                "
        REFERENCE
            "RFC 3963 : Section 5.5"
        ::= { nemoMrBLEntry 5 }

    nemoMrBLEstablishedHomeTunnelIfIndex  OBJECT-TYPE
        SYNTAX      InterfaceIndex
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
                "The interface index of the tunnel established
                 between the mobile router and the home agent
                 for NEMO traffic.
                "
        REFERENCE
            "RFC 3963 : Section 5.5"
        ::= { nemoMrBLEntry 6 }


    -- Mobile Router Registration Group Counters

    nemoMrRegnCounters OBJECT IDENTIFIER ::= { nemoMrRegistration 2 }

    nemoMrMobilityMessagesSent OBJECT-TYPE
        SYNTAX      Counter32
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
                "The total number of mobility messages, i.e. IPv6
                 datagrams with Mobility Header, sent by the mobile
                 node. This will include Binding Updates sent by a
                 mobile router with the Mobile Router Flag set.
                 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
                 nemoCounterDiscontinuityTime.
                "
        REFERENCE
                "RFC3775 : Section 4.2, 6.1, RFC 3963: Section 4.1"
        ::= {  nemoMrRegnCounters 1 }

    nemoMrMobilityMessagesRecd OBJECT-TYPE
        SYNTAX      Counter32
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
                "The total number of mobility messages, i.e. IPv6
                 datagrams with Mobility Header, received by the
                 mobile node. This will include Binding
                 Acknowledgements with Mobile Router Flag set, that
                 are sent to a mobile router.
                 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
                 nemoCounterDiscontinuityTime.
                "
        REFERENCE
                "RFC3775 : Section 4.2, 6.1, RFC 3963: Section 4.1, 4.2"
        ::= {  nemoMrRegnCounters 2 }


     nemoMrPrefixRegMode OBJECT-TYPE
          SYNTAX      BITS {
                            other              (0),
                            implicitMode       (1),
                            explicitMode       (2)
                           }
          MAX-ACCESS  read-write
          STATUS      current
          DESCRIPTION
                  "This object indicates the mode in which
                   the mobile network prefixes will be
                   registered with the Home Agent.
                  "
          REFERENCE
                  "RFC 3963 : Section 5.2"

          ::= { nemoMrRegistration 3 }


    nemoHaMobileNetworkPrefixTable OBJECT-TYPE
        SYNTAX      SEQUENCE OF NemoHaMobileNetworkPrefixEntry
        MAX-ACCESS  not-accessible
        STATUS      current
        DESCRIPTION
                "This table contains the mobile network prefixes
                 that the home agent maintains for the Mobile Router.
                "
        REFERENCE
                "RFC 3963 : Section 6.1.2"
        ::= { nemoHaRegistration 1 }


    nemoHaMobileNetworkPrefixEntry OBJECT-TYPE
        SYNTAX      NemoHaMobileNetworkPrefixEntry
        MAX-ACCESS  not-accessible
        STATUS      current
        DESCRIPTION
                "This entry represents the mobile network prefixes
                 that are maintained by the home agent.
                 There are two modes for setting the mobile network
                 prefixes on a home agent.
                 In implicit mode, the mobile network prefixes is
                 configured by some method(ex. pre-defined).
                 In explicit mode, the binding update from the mobile
                 router contains the mobile network prefix list.
                 The home agent maintains Prefix Table that contains
                 the home address of the mobile router for verifying
                 the prefix list from the mobile router.

                 This entry contains only the mobile network prefixes
                 that are registered by the corresponding binding
                 update. It does not include the prefixes learned
                 through the dynamic routing process between the home
                 agent and the mobile router.

                 The instances of the columnar objects in this entry
                 pertain to an interface for a particular value of
                 mip6BindingHomeAddressType, mip6BindingHomeAddress,
                 and nemoHaMobileNetworkPrefixSeqNo.
                 The nemoHaMobileNetworkPrefixSeqNo object is used to
                 distinguish between multiple instances of
                 the mobile network prefix on the same binding update
                 for the same set of
                 mip6BindingHomeAddressType, mip6BindingHomeAddress.
                 There is no upper-bound on the maximum number of
                 mobile network prefixes on a binding update but, for
                 practical purposes, the upper bound of the value
                 nemoHaMobileNetworkPrefixSeqNo is set to 1024.

                 Implementers need to be aware that if the total
                 number of octets in mip6BindingHomeAddress
                 exceeds 112, then OIDs of column
                 instances in this row will have more than 128
                 sub-identifiers and cannot be accessed using
                 SNMPv1, SNMPv2c, or SNMPv3.
                "
        INDEX  { mip6BindingHomeAddressType,
                 mip6BindingHomeAddress,
                 nemoHaMobileNetworkPrefixSeqNo
    }
    ::= { nemoHaMobileNetworkPrefixTable 1 }

    NemoHaMobileNetworkPrefixEntry ::= SEQUENCE {
        nemoHaMobileNetworkPrefixSeqNo       Integer32,
        nemoHaMobileNetworkPrefixType        InetAddressType,
        nemoHaMobileNetworkPrefix            InetAddress,
        nemoHaMobileNetworkPrefixLength      Unsigned32,
        nemoHaMobileNetworkPrefixSource      BITS
    }

    nemoHaMobileNetworkPrefixSeqNo OBJECT-TYPE
        SYNTAX      Integer32 (1..1024)
        MAX-ACCESS  not-accessible
        STATUS      current
        DESCRIPTION
                "The index that along with mip6BindingHomeAddressType,
                 and mip6BindingHomeAddress uniquely identifies this
                 row.
                 One binding update has some mobile network prefixes.
                 So when we describe the prefix list corresponding to
                 the binding cache, it will be needed as a sub index.
                "
        REFERENCE
                "RFC 3963 : Section 2, 6.1, 6.2"
        ::= { nemoHaMobileNetworkPrefixEntry 1 }

    nemoHaMobileNetworkPrefixType OBJECT-TYPE
        SYNTAX      InetAddressType
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
                "The address type for the mobile network prefix
                 that follows.
                "
        ::= { nemoHaMobileNetworkPrefixEntry 2 }


    nemoHaMobileNetworkPrefix OBJECT-TYPE
        SYNTAX      InetAddress
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
                "A mobile network prefix related to the
                 corresponding Binding Update.

                 The type of the address represented by this object
                 is specified by the corresponding
                 nemoHaMobileNetworkPrefixType object.
                "
        REFERENCE
                "RFC 3963 : Section 2 , 6.1, 6.2"
        ::= { nemoHaMobileNetworkPrefixEntry 3 }


    nemoHaMobileNetworkPrefixLength OBJECT-TYPE
        SYNTAX      Unsigned32 (0..128)
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
                "The length of the prefix specified by the corresponding
                 nemoHaMobileNetworkPrefix Object.
                "
        REFERENCE
                "RFC 3963 : Section 4.3, 6.1, 6.2"
        ::= { nemoHaMobileNetworkPrefixEntry 4 }


    nemoHaMobileNetworkPrefixSource OBJECT-TYPE
        SYNTAX      BITS{
                 configured    (0),
                 bindingUpdate (1)
                 }

        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
                "The information source of the mobile network prefix
                 configured with the binding update.
                 Configured(0) represents that the information is
                 introduced to the home agent without binding update.
                 Binding Update(1) represents that the information is
                 introduced to the home agent by the mobile network
                 prefix option in the binding update and verified
                 by the Prefix Table that the home agent maintains
                 for each home addresses of the mobile router.
                "
        REFERENCE
                "RFC 3963 : Section 4.3, 6.1, 6.2"
        ::= { nemoHaMobileNetworkPrefixEntry 5 }


    nemoBindingCacheTable OBJECT-TYPE
        SYNTAX      SEQUENCE OF NemoBindingCacheEntry
        MAX-ACCESS  not-accessible
        STATUS      current
        DESCRIPTION
               "This table models the Binding Cache
                that includes NEMO related information and
                is maintained by the home agent.
                Entries in this table are not required to survive
                a reboot of the Home Agent.
               "
        REFERENCE
                "RFC 3775 : Section 4.5, 9.1, 10.1,
                 RFC 3963 : Section 6.1"
        ::= { nemoBindings 1 }


    nemoBindingCacheEntry  OBJECT-TYPE
        SYNTAX      NemoBindingCacheEntry
        MAX-ACCESS  not-accessible
        STATUS      current
        DESCRIPTION
                "An entry containing additional information related
                 to nemo-enabled entries in the binding cache table
                 of the Home Agent.
                "
        AUGMENTS {mip6BindingCacheEntry}
    ::= { nemoBindingCacheTable 1 }

    NemoBindingCacheEntry ::= SEQUENCE {
         nemoBindingMrFlag     TruthValue,
         nemoBindingMrMode     BITS
        }

    nemoBindingMrFlag OBJECT-TYPE
        SYNTAX      TruthValue
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
                "true(1) indicates that the binding cache entry is from
                 an entity acting as a mobile router.
                 false(0) implies that the binding cache entry is from
                 an entity acting as a mobile node.
                "
        REFERENCE
                "RFC 3963 : Section 6.1.1, 6.2"
        ::= { nemoBindingCacheEntry 1 }

    nemoBindingMrMode OBJECT-TYPE
        SYNTAX      BITS {
          implicitMode(0),
          explicitMode(1)
                    }
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
                "This object indicates the mode of mobile router
                 to tell the home agent to determine which prefixes
                 belong to the mobile router.
                "
        REFERENCE
                "RFC 3963 : Section 5.2, 6.1.1, 6.2"
        ::= { nemoBindingCacheEntry 2 }


     --
     -- nemoMrEgressIfTable
     --
     nemoMrEgressIfTable        OBJECT-TYPE
          SYNTAX      SEQUENCE OF NemoMrEgressIfEntry
          MAX-ACCESS  not-accessible
          STATUS      current
          DESCRIPTION
                  "A table representing the egress interfaces that
                   will be used by the mobile router for roaming to
                   foreign networks. Each entry in this table
                   represents a configured egress interface.
                  "
          ::= { nemoMrSystem 1 }


     nemoMrEgressIfEntry OBJECT-TYPE
          SYNTAX      NemoMrEgressIfEntry
          MAX-ACCESS  not-accessible
          STATUS      current
          DESCRIPTION
                  "An entry in the egress interface table. It
                   represents a single egress interface entry.
                  "
          INDEX  { nemoMrEgressIfIndex, nemoMrEgressIfPriority }
          ::= { nemoMrEgressIfTable 1 }


     NemoMrEgressIfEntry ::=
          SEQUENCE {
           nemoMrEgressIfIndex             InterfaceIndex,
           nemoMrEgressIfPriority          Unsigned32,
           nemoMrEgressIfDescription       SnmpAdminString,
           nemoMrEgressIfRoamHoldDownTime  Gauge32
          }


     nemoMrEgressIfIndex  OBJECT-TYPE
          SYNTAX      InterfaceIndex
          MAX-ACCESS  not-accessible
          STATUS      current
          DESCRIPTION
                  "The index of the interface on the mobile router.
                  "
          ::= { nemoMrEgressIfEntry 1 }


     nemoMrEgressIfPriority   OBJECT-TYPE
          SYNTAX      Unsigned32
          MAX-ACCESS  not-accessible
          STATUS      current
          DESCRIPTION
                  "The priority configured to the egress interface.
                   This value will be configured to a value between 0
                   and 255.
                  "
          ::= { nemoMrEgressIfEntry 2 }


     nemoMrEgressIfDescription   OBJECT-TYPE
          SYNTAX      SnmpAdminString
          MAX-ACCESS  read-write
          STATUS      current
          DESCRIPTION
                  "The description of the egress interface on the
                   mobile router, that will be used for roaming to
                   foreign networks.
                  "
          ::= { nemoMrEgressIfEntry 3 }


     nemoMrEgressIfRoamHoldDownTime  OBJECT-TYPE
          SYNTAX      Gauge32
          UNITS       "seconds"
          MAX-ACCESS  read-write
          STATUS      current
          DESCRIPTION
                  "This object indicates the time for which the
                   egress interface will be held down during roaming
                   to avoid interface flapping.
                  "
          ::= { nemoMrEgressIfEntry 4 }

    nemoMrDiscoveryRequests OBJECT-TYPE
        SYNTAX      Counter32
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
                "Total number of Modified Dynamic Home Agent Address
                 Discovery Requests, with Mobile Router Support Flag
                 set, sent by the mobile router.
                 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
                 nemoCounterDiscontinuityTime.
                "
        REFERENCE
                "RFC 3775 : Section 10.5, 11.4.1, RFC 3963: Section 7.1"
           ::= { nemoMrConf 1 }

    nemoMrDiscoveryReplies OBJECT-TYPE
        SYNTAX      Counter32
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
                "Total number of Modified Dynamic Home Agent Address
                 Discovery Replies, with Mobile Router Support Flag
                 set, received by the mobile router.
                 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
                 nemoCounterDiscontinuityTime.
                "
        REFERENCE
                "RFC 3775 : Section 10.5, 11.4.1, RFC 3963: Section 7.2"
           ::= { nemoMrConf 2 }

    nemoMrDiscoveryRepliesRouterFlagZero OBJECT-TYPE
        SYNTAX      Counter32
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
                "Total number of Modified Dynamic Home Agent Address
                 Discovery Replies with Mobile Router Support Flag set
                 to 0 although the flag in the corresponding request
                 is set to 1.
                 It implies that there is no home agent that supports
                 Mobile Router functionality in the home network.
                 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
                 nemoCounterDiscontinuityTime.
                "
        REFERENCE
                "RFC 3775 : Section 10.5, 11.4.1, RFC 3963: Section 7.2"
           ::= { nemoMrConf 3 }


    nemoMrMovedHome OBJECT-TYPE
        SYNTAX      Counter32
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
                "Number of times the mobile router has detected
                 movement from a foreign network to its home
                 network.
                 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
                 nemoCounterDiscontinuityTime.
                "
        REFERENCE
            "RFC 3963 : Section 3."
            ::= { nemoMrConf 4 }



    nemoMrMovedOutofHome OBJECT-TYPE
        SYNTAX      Counter32
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
                "Number of times the mobile router has detected
                 movement to a foreign network from the home
                 network, has acquired a care-of address and
                 has initiated the care-of address registration
                 process.
                 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
                 nemoCounterDiscontinuityTime.
                "
        REFERENCE
            "RFC 3963 : Section 3."
            ::= { nemoMrConf 5 }


    nemoMrMovedFNtoFN OBJECT-TYPE
        SYNTAX      Counter32
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
                "Number of times the mobile router has detected
                 movement to/from a foreign network from/to another
                 foreign network. Note that 'movement' implies
                 movement in layer 3, i.e. the mobile routers care-of
                 address changed and it initiated the care-of address
                 registration process.
                 If there are multiple egress interfaces, this counter
                 counts the total number of movements.
                 The movement as a mobile node of the mobile entity
                 is not counted.
                 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
                 nemoCounterDiscontinuityTime.
                "
        REFERENCE
                "RFC 3963 : Section 3."
            ::= { nemoMrConf 6 }


    nemoMrBetterIfDetected OBJECT-TYPE
        SYNTAX      Counter32
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
                "Number of times the NEMO entity has found egress
                 interface with better priority.
                 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
                 nemoCounterDiscontinuityTime.
                "
            ::= { nemoMrConf 7 }


    --
    -- nemoStats:nemoMrGlobalStats
    --


    nemoMrBindingAcksWONemoSupport  OBJECT-TYPE
        SYNTAX      Counter32
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
                "The total number of Binding Acknowledgements without
                 NEMO support received by the mobile router.

                 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
                 nemoCounterDiscontinuityTime.
                "
        REFERENCE
                "RFC 3963 : Section 5.3."
            ::= { nemoMrGlobalStats 1 }


    nemoMrBindingRegTypeChanged  OBJECT-TYPE
        SYNTAX      Counter32
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
                "The total number of Binding Acknowledgements
                 received by the mobile router with status code
                 indicating
                 'Registration type change disallowed' (Code 139).

                 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
                 nemoCounterDiscontinuityTime.
                "
        REFERENCE
                "RFC 3775 : Section 9.5.1, RFC 3963 : Section 6.2"
            ::= { nemoMrGlobalStats 2 }


    nemoMrOpNotPermitted  OBJECT-TYPE
        SYNTAX      Counter32
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
                "The total number of Binding Acknowledgement
                 received by the mobile router with status code
                 indicating
                 'Mobile Router Operation not permitted'
                 (Code 140).

                 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
                 nemoCounterDiscontinuityTime.
                "
        REFERENCE
                "RFC 3963 : Section 6.6"
            ::= { nemoMrGlobalStats 3 }


    nemoMrInvalidPrefix  OBJECT-TYPE
        SYNTAX      Counter32
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
                "The total number of Binding Acknowledgement
                 received by the mobile router with status code
                 indicating 'Invalid Prefix' (Code 141).

                 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
                 nemoCounterDiscontinuityTime.
                "
        REFERENCE
                "RFC 3963 : Section 6.6."
            ::= { nemoMrGlobalStats 4 }



    nemoMrNotAuthorizedForPrefix OBJECT-TYPE
        SYNTAX      Counter32
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
                "The total number of Binding Acknowledgements
                 received by the mobile router with status code
                 indicating
                 'Not Authorized for Prefix' (Code 142).

                 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
                 nemoCounterDiscontinuityTime.
                "
        REFERENCE
                "RFC 3963 : Section 6.6."
            ::= { nemoMrGlobalStats 5 }



    nemoMrForwardingSetupFailed OBJECT-TYPE
        SYNTAX      Counter32
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
                "The total number of Binding Acknowledgements
                 received by the mobile router with status code
                 indicating 'Forwarding Setup failed' (Code 143).


                 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
                 nemoCounterDiscontinuityTime.
                "
        REFERENCE
                "RFC 3963 : Section 6.6."
            ::= { nemoMrGlobalStats 6 }



    --
    -- nemoStats:nemoHaGlobalStats
    --


    nemoHaBindingAcksWONemoSupport  OBJECT-TYPE
        SYNTAX      Counter32
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
                "The total number of Binding Acknowledgements
                 without NEMO support sent by the home agent.

                 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
                 nemoHaCtrDiscontinuityTime.
                "
        REFERENCE
                "RFC 3963 : Section 5.3"
            ::= { nemoHaGlobalStats 1 }



    nemoHaBindingRegTypeChanged  OBJECT-TYPE
        SYNTAX      Counter32
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
                "The total number of Binding Update requests
                 rejected by the home agent with status code
                 in the Binding Acknowledgement indicating
                 'Registration type change disallowed' (Code 139).

                 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
                 nemoHaCtrDiscontinuityTime.
                "
        REFERENCE
                "RFC 3775 : Section 9.5.1, RFC 3963 : Section 6.2"
            ::= { nemoHaGlobalStats 2 }


    nemoHaOpNotPermitted  OBJECT-TYPE
        SYNTAX      Counter32
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
                "The total number of Binding Update requests
                 rejected by the home agent with status code in
                 the Binding Acknowledgement indicating
                 'Mobile Router Operation not permitted'
                 (Code 140).

                 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
                 nemoHaCtrDiscontinuityTime.
                "
        REFERENCE
                "RFC 3963 : Section 6.6"
            ::= { nemoHaGlobalStats 3 }


    nemoHaInvalidPrefix  OBJECT-TYPE
        SYNTAX      Counter32
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
                "The total number of Binding Update requests
                 rejected by the home agent with status code in
                 the Binding Acknowledgement indicating
                 'Invalid Prefix' (Code 141).

                 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
                 nemoHaCtrDiscontinuityTime.
                "
        REFERENCE
                "RFC 3963 : Section 6.6"
            ::= { nemoHaGlobalStats 4 }



    nemoHaNotAuthorizedForPrefix OBJECT-TYPE
        SYNTAX      Counter32
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
                "The total number of Binding Update requests
                 rejected by the home agent with status code in
                 the Binding Acknowledgement indicating
                 'Not Authorized for Prefix' (Code 142).

                 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
                 nemoCounterDiscontinuityTime.
                "
        REFERENCE
                "RFC 3963 : Section 6.6"
            ::= { nemoHaGlobalStats 5 }



    nemoHaForwardingSetupFailed OBJECT-TYPE
        SYNTAX      Counter32
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
                "The total number of Binding Update requests
                 rejected by the home agent with status code in
                 the Binding Acknowledgement indicating
                 'Forwarding Setup failed' (Code 143).

                 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
                 nemoCounterDiscontinuityTime.
                "
        REFERENCE
                "RFC 3963 : Section 6.6"
            ::= { nemoHaGlobalStats 6 }

    nemoHaCounterTable OBJECT-TYPE
        SYNTAX      SEQUENCE OF NemoHaCounterEntry
        MAX-ACCESS  not-accessible
        STATUS      current
        DESCRIPTION
                "A table containing registration statistics for all
                 mobile routers registered with the home agent.
                "
        ::= { nemoHaStats 2 }

    nemoHaCounterEntry  OBJECT-TYPE
        SYNTAX      NemoHaCounterEntry
        MAX-ACCESS  not-accessible
        STATUS      current
        DESCRIPTION
                "Home agent registration statistics for a mobile
                 router.

                 Implementors need to be aware that if the total
                 number of octets in mip6BindingHomeAddress
                 exceeds 113 then OIDs of column instances in
                 this row will have more than 128 sub-identifiers and
                 cannot be accessed using SNMPv1, SNMPv2c, or SNMPv3.
                "
        INDEX   { mip6BindingHomeAddressType,
                  mip6BindingHomeAddress
                }
        ::= { nemoHaCounterTable 1 }

    NemoHaCounterEntry      ::= SEQUENCE {
        nemoHaBURequestsAccepted       Counter32,
        nemoHaBURequestsDenied         Counter32,
        nemoHaBCEntryCreationTime      DateAndTime,
        nemoHaBUAcceptedTime           DateAndTime,
        nemoHaBURejectionTime          DateAndTime,
        nemoHaRecentBURejectionCode    NemoBURequestRejectionCode,
        nemoHaCtrDiscontinuityTime     TimeStamp
        }

    nemoHaBURequestsAccepted OBJECT-TYPE
        SYNTAX      Counter32
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
                "Total number of Binding Update requests from the
                 mobile router accepted by the home agent.
                 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
                 nemoHaCtrDiscontinuityTime.
                "
        ::= { nemoHaCounterEntry 1 }

    nemoHaBURequestsDenied   OBJECT-TYPE
        SYNTAX      Counter32
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
                "Total number of Binding Update requests from the
                 mobile router rejected by the home agent.
                 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
                 nemoHaCtrDiscontinuityTime.
                "
        ::= { nemoHaCounterEntry 2 }

    nemoHaBCEntryCreationTime   OBJECT-TYPE
        SYNTAX      DateAndTime
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
                "The time when the current Binding Cache entry was
                 created for the mobile router.
                "
        ::= { nemoHaCounterEntry 3 }

    nemoHaBUAcceptedTime  OBJECT-TYPE
        SYNTAX      DateAndTime
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
                "The time at which the last Binding Update was
                 accepted by the home agent for this mobile router.
                "
        ::= { nemoHaCounterEntry 4 }

    nemoHaBURejectionTime  OBJECT-TYPE
        SYNTAX      DateAndTime
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
                "The time at which the last Binding Update was
                 rejected by the home agent for this mobile router.
                 If there have been no rejections then this object
                 will be inaccessible.
                "
        ::= { nemoHaCounterEntry 5 }

    nemoHaRecentBURejectionCode  OBJECT-TYPE
        SYNTAX      NemoBURequestRejectionCode
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
                "If a Binding Acknowledgment is sent to the mobile
                 router, this is the Status code (>= 128) that is
                 returned in the Binding Acknowledgment.
                 In case a Binding Acknowledgment is not sent to the
                 mobile router then this will be the value of the
                 Status code that corresponds to the reason of the
                 rejection.
                 If there have been no rejections then this object
                 will be inaccessible.
                "
        ::= { nemoHaCounterEntry 6 }

    nemoHaCtrDiscontinuityTime OBJECT-TYPE
       SYNTAX      TimeStamp
       MAX-ACCESS  read-only
       STATUS      current
       DESCRIPTION
               "The value of sysUpTime on the most recent occasion
                at which any one or more of counters in this row
                viz, instances of 'nemoHaBURequestsAccepted',
                'nemoHaBURequestsDenied' and 'nemoHaGlobalStats'
                suffered a discontinuity.
                If no such discontinuities have occurred since the
                last re-initialization of the local management
                subsystem, then this object will have a zero value.
               "
       ::= { nemoHaCounterEntry 7 }

    --
    --
    -- nemoNotifications
    --
    --


    nemoHomeTunnelEstablished NOTIFICATION-TYPE
        OBJECTS   {
                    nemoMrBLActiveEgressIfIndex,
                    nemoMrBLEstablishedHomeTunnelIfIndex,
                 -- mip6MnHomeAddressType,
                 -- mip6MnHomeAddress,
                    mip6MnBLCOAType,
                    mip6MnBLCOA,
                    nemoMrBLHomeAddressPrefixLength,
                    nemoMrBLCareofAddressPrefixLength
                  }
        STATUS    current
        DESCRIPTION
                "This notification is sent by the mobile router
                 every time the tunnel is established between the
                 home agent and the mobile router.
                "
        REFERENCE
                "RFC 3963 : Section 5.5"
            ::= { nemoNotifications 1 }


    nemoHomeTunnelReleased NOTIFICATION-TYPE
        OBJECTS {
                    nemoMrBLActiveEgressIfIndex,
                    nemoMrBLEstablishedHomeTunnelIfIndex,
                 -- mip6MnHomeAddressType,
                 -- mip6MnHomeAddress,
                    mip6MnBLCOAType,
                    mip6MnBLCOA,
                    nemoMrBLHomeAddressPrefixLength,
                    nemoMrBLCareofAddressPrefixLength
                }
        STATUS    current
        DESCRIPTION
                "This notification is sent by the mobile router
                 every time the tunnel is deleted between the home
                 agent and the mobile router.
                "
        REFERENCE
                "RFC 3963 : Section 5.5"
            ::= { nemoNotifications 2}



    -- Conformance information
    nemoGroups      OBJECT IDENTIFIER ::= { nemoConformance 1 }
    nemoCompliances OBJECT IDENTIFIER ::= { nemoConformance 2 }


    -- Units of conformance
    nemoSystemGroup    OBJECT-GROUP
         OBJECTS {
                   nemoCapabilities,
                   nemoStatus
        }
         STATUS  current
         DESCRIPTION
                 " A collection of objects for basic NEMO
                   monitoring."
         ::= { nemoGroups 1 }

    nemoBindingCacheGroup    OBJECT-GROUP
         OBJECTS {
                   nemoBindingMrFlag,
                   nemoBindingMrMode
        }
         STATUS  current
         DESCRIPTION
                 " A collection of objects for monitoring the
                   NEMO extensions of the Binding Cache."
         ::= { nemoGroups 2 }

    nemoStatsGroup    OBJECT-GROUP
         OBJECTS {
                   nemoCounterDiscontinuityTime
        }
         STATUS  current
         DESCRIPTION
                 " A collection of objects for
                   monitoring NEMO statistics."
         ::= { nemoGroups 3 }

    nemoMrConfGroup   OBJECT-GROUP
         OBJECTS {
               --  nemoMrEgressIfIndex,
               --  nemoMrEgressIfPriority,
                   nemoMrEgressIfDescription,
                   nemoMrEgressIfRoamHoldDownTime,
                   nemoMrDiscoveryRequests,
                   nemoMrDiscoveryReplies,
                   nemoMrDiscoveryRepliesRouterFlagZero,
                   nemoMrMovedHome,
                   nemoMrMovedOutofHome,
                   nemoMrMovedFNtoFN,
                   nemoMrBetterIfDetected
        }
         STATUS  current
         DESCRIPTION
                 " A collection of objects for monitoring
                   the configuration-related information on
                   the mobile router.
                 "
         ::= { nemoGroups 4 }

    nemoMrRegistrationGroup  OBJECT-GROUP
         OBJECTS {
                   nemoMrBLMode,
                   nemoMrBLMrFlag,
                   nemoMrBLHomeAddressPrefixLength,
                   nemoMrBLCareofAddressPrefixLength,
                   nemoMrBLActiveEgressIfIndex,
                   nemoMrBLEstablishedHomeTunnelIfIndex,
                   nemoMrMobilityMessagesSent,
                   nemoMrMobilityMessagesRecd,
                   nemoMrPrefixRegMode,
                   nemoMrBindingAcksWONemoSupport,
                   nemoMrBindingRegTypeChanged,
                   nemoMrOpNotPermitted,
                   nemoMrInvalidPrefix,
                   nemoMrNotAuthorizedForPrefix,
                   nemoMrForwardingSetupFailed
        }
         STATUS  current
         DESCRIPTION
                 " A collection of objects for monitoring
                   the registration details and statistics for
                   the mobile router.
                 "
         ::= { nemoGroups 5 }

    nemoHaSystemGroup    OBJECT-GROUP
        OBJECTS {
               -- nemoHaMobileNetworkPrefixSeqNo,
                  nemoHaMobileNetworkPrefixType,
                  nemoHaMobileNetworkPrefix,
                  nemoHaMobileNetworkPrefixLength,
                  nemoHaMobileNetworkPrefixSource
       }
        STATUS  current
        DESCRIPTION
                " A collection of objects for basic NEMO
                  configuration monitoring at the Home Agent."
        ::= { nemoGroups 6 }

    nemoHaStatsGroup   OBJECT-GROUP
        OBJECTS {
                  nemoHaBURequestsAccepted,
                  nemoHaBURequestsDenied,
                  nemoHaBCEntryCreationTime,
                  nemoHaBUAcceptedTime,
                  nemoHaBURejectionTime,
                  nemoHaRecentBURejectionCode,
                  nemoHaCtrDiscontinuityTime
       }
        STATUS  current
        DESCRIPTION
                " A collection of objects for monitoring
                  NEMO registration-related statistics on the
                  home agent.
                "
        ::= { nemoGroups 7 }


    nemoHaGlobalStatsGroup   OBJECT-GROUP
        OBJECTS {
                  nemoHaBindingAcksWONemoSupport,
                  nemoHaBindingRegTypeChanged,
                  nemoHaOpNotPermitted,
                  nemoHaInvalidPrefix,
                  nemoHaNotAuthorizedForPrefix,
                  nemoHaForwardingSetupFailed
       }
        STATUS  current
        DESCRIPTION
                " A collection of objects for monitoring basic
                  NEMO advertisement and registration statistics
                  on a Home Agent."
        ::= { nemoGroups 8 }

    nemoNotificationGroup   NOTIFICATION-GROUP
        NOTIFICATIONS {
                 nemoHomeTunnelEstablished,
                 nemoHomeTunnelReleased
       }
        STATUS  current
        DESCRIPTION
                "A collection of notifications from a home agent
                 or correspondent node to the Manager about the
                 tunnel status of the mobile router.
                "
        ::= { nemoGroups 9 }



    -- Compliance statements
    nemoCoreCompliance MODULE-COMPLIANCE
         STATUS  current
         DESCRIPTION
                "The compliance statement for SNMP entities
                 which implement the NEMO-MIB.
                 "
         MODULE  -- this module
             MANDATORY-GROUPS { nemoSystemGroup
                              }
         ::= { nemoCompliances 1 }

    nemoCompliance2 MODULE-COMPLIANCE
         STATUS  current
         DESCRIPTION
                "The compliance statement for SNMP entities
                 which implement the NEMO-MIB and support
                 monitoring of the Binding Cache.
                 There are a number of INDEX objects that cannot be
                 represented in the form of OBJECT clauses in SMIv2,
                 but for which there are compliance requirements,
                 expressed in OBJECT clause form in this description:
                 -- OBJECT      mip6BindingHomeAddressType
                 -- SYNTAX      InetAddressType { ipv6(2) }
                 -- DESCRIPTION
                 --     This MIB module requires support for global
                 --     ipv6 addresses for the mip6BindingHomeAddress
                 --     object.
                 --
                 -- OBJECT      mip6BindingHomeAddress
                 -- SYNTAX      InetAddress (SIZE(16))
                 -- DESCRIPTION
                 --     This MIB module requires support for global
                 --     ipv6 addresses for the mip6BindingHomeAddress
                 --     object.
                 --
                 "
         MODULE  -- this module
             MANDATORY-GROUPS { nemoSystemGroup,
                                nemoBindingCacheGroup
                              }
         ::= { nemoCompliances 2 }

    nemoCoreReadOnlyCompliance MODULE-COMPLIANCE
         STATUS  current
         DESCRIPTION
                "The compliance statement for SNMP entities
                 which implement the NEMO-MIB without support
                 for read-write (i.e., in read-only mode).
                 "
         MODULE  -- this module
             MANDATORY-GROUPS { nemoSystemGroup
                              }
         OBJECT      nemoStatus
         MIN-ACCESS  read-only
         DESCRIPTION
                "Write access is not required."
         ::= { nemoCompliances 3 }

    nemoReadOnlyCompliance2 MODULE-COMPLIANCE
         STATUS  current
         DESCRIPTION
                "The compliance statement for SNMP entities
                 which implement the NEMO-MIB without support
                 for read-write (i.e., in read-only mode) and
                 support monitoring of the Binding Cache.
                 There are a number of INDEX objects that cannot be
                 represented in the form of OBJECT clauses in SMIv2,
                 but for which there are compliance requirements,
                 expressed in OBJECT clause form in this description:
                 -- OBJECT      mip6BindingHomeAddressType
                 -- SYNTAX      InetAddressType { ipv6(2) }
                 -- DESCRIPTION
                 --     This MIB module requires support for global
                 --     ipv6 addresses for the mip6BindingHomeAddress
                 --     object.
                 --
                 -- OBJECT      mip6BindingHomeAddress
                 -- SYNTAX      InetAddress (SIZE(16))
                 -- DESCRIPTION
                 --     This MIB module requires support for global
                 --     ipv6 addresses for the mip6BindingHomeAddress
                 --     object.
                 --
                 "
         MODULE  -- this module
             MANDATORY-GROUPS { nemoSystemGroup,
                                nemoBindingCacheGroup
                              }
         OBJECT      nemoStatus
         MIN-ACCESS  read-only
         DESCRIPTION
                "Write access is not required."
         ::= { nemoCompliances 4 }

    nemoMrCompliance MODULE-COMPLIANCE
         STATUS  current
         DESCRIPTION
                "The compliance statement for SNMP entities
                 which implement the NEMO-MIB for monitoring
                 configuration-related information, registration
                 details and statistics on a mobile router.
                 There are a number of INDEX objects that cannot be
                 represented in the form of OBJECT clauses in SMIv2,
                 but for which there are compliance requirements,
                 expressed in OBJECT clause form in this description:
                 -- OBJECT      mip6MnHomeAddressType
                 -- SYNTAX      InetAddressType { ipv6(2) }
                 -- DESCRIPTION
                 --     This MIB module requires support for global
                 --     ipv6 addresses for the mip6MnHomeAddress
                 --     object.
                 --
                 -- OBJECT      mip6MnHomeAddress
                 -- SYNTAX      InetAddress (SIZE(16))
                 -- DESCRIPTION
                 --     This MIB module requires support for global
                 --     ipv6 addresses for the mip6MnHomeAddress
                 --     object.
                 --
                 -- OBJECT      mip6MnBLNodeAddressType
                 -- SYNTAX      InetAddressType { ipv6(2) }
                 -- DESCRIPTION
                 --     This MIB module requires support for global
                 --     ipv6 addresses for the mip6MnBLNodeAddress
                 --     object.
                 --
                 -- OBJECT      mip6MnBLNodeAddress
                 -- SYNTAX      InetAddress (SIZE(16))
                 -- DESCRIPTION
                 --     This MIB module requires support for global
                 --     ipv6 addresses for the mip6MnBLNodeAddress
                 --     object.
                 "
         MODULE  -- this module
             MANDATORY-GROUPS { nemoStatsGroup,
                                nemoMrConfGroup,
                                nemoMrRegistrationGroup
                              }
         ::= { nemoCompliances 5 }

    nemoMrReadOnlyCompliance2 MODULE-COMPLIANCE
         STATUS  current
         DESCRIPTION
                "The compliance statement for SNMP entities
                 which implement the NEMO-MIB without support
                 for read-write (i.e., in read-only mode) and
                 support for monitoring configuration-related
                 information, registration details and statistics
                 on a mobile router.
                 There are a number of INDEX objects that cannot be
                 represented in the form of OBJECT clauses in SMIv2,
                 but for which there are compliance requirements,
                 expressed in OBJECT clause form in this description:
                 -- OBJECT      mip6MnHomeAddressType
                 -- SYNTAX      InetAddressType { ipv6(2) }
                 -- DESCRIPTION
                 --     This MIB module requires support for global
                 --     ipv6 addresses for the mip6MnHomeAddress
                 --     object.
                 --
                 -- OBJECT      mip6MnHomeAddress
                 -- SYNTAX      InetAddress (SIZE(16))
                 -- DESCRIPTION
                 --     This MIB module requires support for global
                 --     ipv6 addresses for the mip6MnHomeAddress
                 --     object.
                 --
                 -- OBJECT      mip6MnBLNodeAddressType
                 -- SYNTAX      InetAddressType { ipv6(2) }
                 -- DESCRIPTION
                 --     This MIB module requires support for global
                 --     ipv6 addresses for the mip6MnBLNodeAddress
                 --     object.
                 --
                 -- OBJECT      mip6MnBLNodeAddress
                 -- SYNTAX      InetAddress (SIZE(16))
                 -- DESCRIPTION
                 --     This MIB module requires support for global
                 --     ipv6 addresses for the mip6MnBLNodeAddress
                 --     object.
                 "
         MODULE  -- this module
             MANDATORY-GROUPS { nemoStatsGroup,
                                nemoMrConfGroup,
                                nemoMrRegistrationGroup
                              }
         OBJECT      nemoMrEgressIfDescription
         MIN-ACCESS  read-only
         DESCRIPTION
                "Write access is not required."

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

         OBJECT      nemoMrPrefixRegMode
         MIN-ACCESS  read-only
         DESCRIPTION
                "Write access is not required."
         ::= { nemoCompliances 6 }

    nemoHaCoreCompliance MODULE-COMPLIANCE
         STATUS  current
         DESCRIPTION
                "The compliance statement for SNMP entities
                 which implement the NEMO-MIB for configuration
                 monitoring at the Home Agent.
                 There are a number of INDEX objects that cannot be
                 represented in the form of OBJECT clauses in SMIv2,
                 but for which there are compliance requirements,
                 expressed in OBJECT clause form in this description:
                 -- OBJECT      mip6BindingHomeAddressType
                 -- SYNTAX      InetAddressType { ipv6(2) }
                 -- DESCRIPTION
                 --     This MIB module requires support for global
                 --     ipv6 addresses for the mip6BindingHomeAddress
                 --     object.
                 --
                 -- OBJECT      mip6BindingHomeAddress
                 -- SYNTAX      InetAddress (SIZE(16))
                 -- DESCRIPTION
                 --     This MIB module requires support for global
                 --     ipv6 addresses for the mip6BindingHomeAddress
                 --     object.
                 --
                 "
         MODULE  -- this module
             MANDATORY-GROUPS { nemoHaSystemGroup
                              }
         ::= { nemoCompliances 7 }

    nemoHaCompliance2 MODULE-COMPLIANCE
         STATUS  current
         DESCRIPTION
                "The compliance statement for SNMP entities
                 which implement the NEMO-MIB with support for
                 monitoring of the home agent functionality
                 specifically the home-agent-registration-related
                 statistics.
                 There are a number of INDEX objects that cannot be
                 represented in the form of OBJECT clauses in SMIv2,
                 but for which there are compliance requirements,
                 expressed in OBJECT clause form in this description:
                 -- OBJECT      mip6BindingHomeAddressType
                 -- SYNTAX      InetAddressType { ipv6(2) }
                 -- DESCRIPTION
                 --     This MIB module requires support for global
                 --     ipv6 addresses for the mip6BindingHomeAddress
                 --     object.
                 --
                 -- OBJECT      mip6BindingHomeAddress
                 -- SYNTAX      InetAddress (SIZE(16))
                 -- DESCRIPTION
                 --     This MIB module requires support for global
                 --     ipv6 addresses for the mip6BindingHomeAddress
                 --     object.
                 --
                 "
         MODULE  -- this module
             MANDATORY-GROUPS { nemoHaSystemGroup,
                                nemoHaStatsGroup,
                                nemoHaGlobalStatsGroup
                              }
         ::= { nemoCompliances 8 }


    nemoNotificationCompliance MODULE-COMPLIANCE
         STATUS  current
         DESCRIPTION
                "The compliance statement for SNMP entities
                 which implement the NEMO-MIB and support
                 Notification from home agent.
                 "
         MODULE  -- this module
             MANDATORY-GROUPS { nemoNotificationGroup
                              }
         ::= { nemoCompliances 9 }

    END





 TOC 

2.6.  IANA Considerations

IANA should assign a base arc in the mib-2 (standards track) OID tree for the 'nemoMIB' MODULE-IDENTITY defined in the NEMO MIB.





 TOC 

2.7.  Security Considerations

There are a number of management objects defined in this MIB module with a MAX-ACCESS clause of read-write. Such objects may be considered sensitive or vulnerable in some network environments. The support for SET operations in a non-secure environment without proper protection can have a negative effect on network operations. These are the tables and objects and their sensitivity/vulnerability: nemoStatus: The value of this object is used to enable or disable the NEMO functionality on a NEMO entity. Access to this MO may be abused to disrupt the communication that depends on NEMO. nemoMrPrefixRegMode: The value of this object is used to control the mode in which mobile network prefixes will be registered with the Home Agent. Access to this object may be abused to disrupt the setting up of mobile network prefixes.

Some of the readable objects in this MIB module (i.e., objects with a MAX-ACCESS other than not-accessible) may be considered sensitive or vulnerable in some network environments. It is thus important to control even GET and/or NOTIFY access to these objects and possibly to even encrypt the values of these objects when sending them over the network via SNMP. These are the tables and objects and their sensitivity/vulnerability: The address-related objects in this MIB may be considered to be particularly sensitive and/or private. The mobile network prefix- related objects reveal the configuration of the mobile router. This information may be considered to be private and sensitive and must be carefully handled. nemoHaMobileNetworkPrefixType nemoHaMobileNetworkPrefix nemoHaMobileNetworkPrefixLength

SNMP versions prior to SNMPv3 did not include adequate security. Even if the network itself is secure (for example by using IPSec), even then, there is no control as to who on the secure network is allowed to access and GET/SET (read/change/create/delete) the objects in this MIB module.

It is RECOMMENDED that implementers consider the security features as provided by the SNMPv3 framework (see [RFC3410], section 8), including full support for the SNMPv3 cryptographic mechanisms (for authentication and privacy).

Further, deployment of SNMP versions prior to SNMPv3 is NOT RECOMMENDED. Instead, it is RECOMMENDED to deploy SNMPv3 and to enable cryptographic security. It is then a customer/operator responsibility to ensure that the SNMP entity giving access to an instance of this MIB module is properly configured to give access to the objects only to those principals (users) that have legitimate rights to indeed GET or SET (change/create/delete) them.





 TOC 

2.8.  Acknowledgments

The authors would like to thank Alex Petrescu, Pascal Thubert, Kent Leung, T.J Kniveton and Thierry Ernst for their review comments on this document.





 TOC 

2.9.  References





 TOC 

2.10.  Normative References

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

[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.

[RFC3775] Johnson, D., Perkins, C. and Arkko J., Mobility Support in IPv6 RFC 3775, June 2004.

[RFC3963] Thubert, P., Petrescu, A., Wakikawa, R. and V. Devarapalli, Network Mobility (NEMO) Basic Support Protocol, RFC 3963, Jan 2005.

[RFC4295] Keeni, G., Koide, K., Nagami, K. and S. Gundavelli, The Mobile IPv6 MIB, RFC 4295, April 2006.





 TOC 

2.11.  Informative References

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

[RFC4885] T. Ernst and H.-Y. Lach., Network Mobility Support Terminology, RFC 4885, July 2007.

[RFC4886] T. Ernst. Network Mobility Support Goals and Requirements, RFC 4886, July 2007.



 TOC 

Authors' Addresses

  Sri Gundavelli
  Cisco
  170 West Tasman Drive
  San Jose, CA 95134
  USA
Phone:  +1-408-527-6109
Email:  sgundave@cisco.com
  
  Glenn Mansfield Keeni
  Cyber Solutions
  6-6-3 Minami Yoshinari, Aoba-ku
  Sendai 989-3204,
  Japan
Phone:  +81-22-303-4012
Email:  glenn@cysols.com
  
  Kazuhide Koide
  Tohoku University
  2-1-1 Katahira, Aoba-ku
  Sendai 980-8577,
  Japan
Phone:  +81-22-217-5455
Email:  koide@shiratori.riec.tohoku.ac.jp
  
  Kenichi Nagami
  INTEC NetCore
  1-3-3, Shin-suna
  Koto-ku, Tokyo, 135-0075,
  Japan
Phone:  +81-3-5665-5069
Email:  nagami@inetcore.com


 TOC 

Full Copyright Statement

Intellectual Property