RFC3919

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Network Working Group E. Stephan Request for Comments: 3919 France Telecom R&D Category: Informational J. Palet

                                                         Consulintel
                                                        October 2004

Remote Network Monitoring (RMON) Protocol Identifiers for IPv6 and

             Multi Protocol Label Switching (MPLS)

Status of this Memo

This memo provides information for the Internet community. It does not specify an Internet standard of any kind. Distribution of this memo is unlimited.

Copyright Notice

Copyright (C) The Internet Society (2004).

Abstract

This memo defines additional (to those in RFC 2896) protocol identifier examples for IP version 6 and MPLS protocols. These can be used to produce valid protocolDirTable INDEX encodings, as defined by the Remote Network Monitoring MIB (Management Information Base) Version 2 RFC2021 and the RMON Protocol Identifier Reference RFC2895.

This document contains additional (to those in RFC 2896) protocol identifier macros for well-known protocols. A conformant implementation of the RMON-2 MIB RFC2021 can be accomplished without the use of these protocol identifiers, and accordingly, this document does not specify any IETF standard. It is published to encourage better interoperability between RMON-2 agent implementations, by providing RMON related IPv6 and MPLS protocol information.

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.

Overview

This memo defines basic protocol identifiers for IP version 6 and MPLS protocols.

The "Remote Network Monitoring MIB Protocol Identifier Macros" RFC2896, defines various protocol identifiers. The syntax of the protocol identifier descriptor is defined in the RMON Protocol Identifier Reference RFC2895. The reader should be familiar with these documents.

The intent of this document is not to adapt each protocol identifier defined in the RFC 2895 and in the RFC 2896 to IP version 6, but to define protocol identifiers for IP version 6 protocols and for MPLS protocol.

Relationship to the Remote Network Monitoring MIB

RMON MIB implementations use protocol identifiers to describe unambiguous capabilities in protocolDirTable entries.

MPLS layer protocol identifiers

This section defines protocol identifiers for MPLS with unambiguous names to distinguish MPLS Unicast from MPLS Multicast.

-- MPLS unicast

mplsu PROTOCOL-IDENTIFIER PARAMETERS { } ATTRIBUTES { } DESCRIPTION

            "MPLS Label Stack Encoding."

CHILDREN

            "Children of MPLS are not systematically identifiable. "

REFERENCE

            "RFC 3032, MPLS Label Stack Encoding RFC3032."
= {
            ether2  0x8847, -- RFC 3032 section 5
            snap    0x8847,
            802-1Q  0x8847,
            ppp     0x0281, -- RFC 3032 section 4.3

}

-- MPLS multicast

mplsm PROTOCOL-IDENTIFIER PARAMETERS { } ATTRIBUTES { } DESCRIPTION

            "MPLS Label Stack Encoding."

CHILDREN

            "Children of MPLS are not systematically identifiable."

REFERENCE

            "RFC 3032, MPLS Label Stack Encoding RFC3032."
= {
            ether2  0x8848, -- RFC 3032 section 5
            snap    0x8848,
            802-1Q  0x8848,
            ppp     0x0283, -- RFC 3032 section 4.3

}

IPv6 Protocols

ip6 PROTOCOL-IDENTIFIER PARAMETERS {} ATTRIBUTES {} DESCRIPTION

    "The protocol identifiers for the Internet Protocol, Version 6
    RFC2460."

CHILDREN

    "Children of 'ip6' are selected by the value in the Protocol
    field (one octet), as defined in the PROTOCOL NUMBERS table
    within the Assigned Numbers Document.
    The value of the Protocol field is encoded in an octet string as
    [ 0.0.0.a ], where 'a' is the protocol field.
    Children of 'ip6' are encoded as [ 0.0.0.a ], and named as 'ip6
    a' where 'a' is the protocol field value.  For example, a
    protocolDirID-fragment value of:
      0.0.0.1.0.0.0.41.0.0.0.58
    defines an encapsulation of IPv6-ICMP (ether2.ip6.icmp6)"

ADDRESS-FORMAT

    "16 octets of the IPv6 address, in network byte order.  Each ip
    packet contains two addresses, the source address and the
    destination address."

DECODING

    "Note: ether2.ip.ipip6.udp is a different protocolDirID than
    ether2.ip6.udp, as identified in the protocolDirTable.  As such,
    two different local protocol index values will be assigned by
    the agent. E.g., (full INDEX values shown):
    ether2.ip.ipip6.udp =
                    16.0.0.0.1.0.0.8.0.0.0.0.41.0.0.0.17.4.0.0.0.0
    ether2.ip6.udp =
                    12.0.0.0.1.0.0.0.41.0.0.0.17.3.0.0.0 "

REFERENCE

    "RFC 2460 RFC2460 defines the Internet Protocol version 6; The
    following URL defines the authoritative repository for the
    PROTOCOL NUMBERS Table:
      http://www.iana.org/assignments/protocol-numbers"
= {
    ether2     0x86DD,
    802-1Q     0x86DD,
    mplsu       41,
    mplsm       41

}

ipip6 PROTOCOL-IDENTIFIER PARAMETERS { } ATTRIBUTES {

} DESCRIPTION

    "IPv6 in IPv4 Tunneling"

CHILDREN

    "Children of 'ipip6' are selected and encoded in the same manner
    as children of ip6."

ADDRESS-FORMAT

    "The 'ipip6' address format is the same as the IPv6 address
    format."

DECODING

    "Note: ether2.ip.ipip6.udp is a different protocolDirID than
    ether2.ip6.udp, as identified in the protocolDirTable.  As such,
    two different local protocol index values will be assigned by
    the agent. E.g., (full INDEX values shown):
            ether2.ip.ipip6.udp =
                    16.0.0.0.1.0.0.8.0.0.0.0.41.0.0.0.17.4.0.0.0.0
            ether2.ip6.udp =
                    12.0.0.0.1.0.0.0.41.0.0.0.17.3.0.0.0 "

REFERENCE

    "RFC 2473 RFC2473 defines Generic Packet Tunneling in IPv6
    Specification."
= {
    ip 41

}

icmp6 PROTOCOL-IDENTIFIER PARAMETERS { } ATTRIBUTES { } DESCRIPTION

    "Internet Message Control Protocol for IP Version 6"

REFERENCE

    "RFC 2463 RFC2463 Internet Control Message Protocol (ICMPv6)
    for the Internet Protocol Version 6 (IPv6) Specification "
= {
    ip6 58,
    ipip6 58

}

Security Considerations

This document contains textual descriptions of well-known networking protocols, not the definition of any networking behavior. As such, no security considerations are raised by its publication.

Acknowledgments

The authors would like to acknowledge the European Commission support in the co-funding of the 6QM project, where this work is being developed.

References

Normative References

RFC2460 Deering, S. and R. Hinden, "Internet Protocol, Version 6

          (IPv6) Specification", RFC 2460, December 1998.

RFC2463 Conta, A. and S. Deering, "Internet Control Message

          Protocol (ICMPv6) for the Internet Protocol Version 6
          (IPv6) Specification", RFC 2463, December 1998.

RFC2473 Conta, A. and S. Deering, "Generic Packet Tunneling in

          IPv6 Specification", RFC 2473, December 1998.

RFC2578 McCloghrie, K., Perkins, D., and J. Schoenwaelder,

          "Structure of Management Information Version 2 (SMIv2)",
          STD 58, RFC 2578, April 1999.

RFC2579 McCloghrie, K., Perkins, D., and J. Schoenwaelder,

          "Textual Conventions for SMIv2", STD 58, RFC 2579, April
          1999.

RFC2580 McCloghrie, K., Perkins, D., and J. Schoenwaelder,

          "Conformance Statements for SMIv2", STD 58, RFC 2580,
          April 1999.

RFC2895 Bierman, A., Bucci, C., and R. Iddon, "Remote Network

          Monitoring MIB Protocol Identifier Reference", RFC 2895,
          August 2000.

RFC3032 Rosen, E., Tappan, D., Fedorkow, G., Rekhter, Y.,

          Farinacci, D., Li, T., and A. Conta, "MPLS Label Stack
          Encoding", RFC 3032, January 2001.

Informative References

RFC2021 Waldbusser, S., "Remote Network Monitoring Management

          Information Base Version 2 using SMIv2", RFC 2021, January
          1997.

RFC2026 Bradner, S., "The Internet Standards Process -- Revision

          3", BCP 9, RFC 2026, October 1996.

RFC2896 Bierman, A., Bucci, C., and R. Iddon, "Remote Network

          Monitoring MIB Protocol Identifier Macros", RFC 2896,
          August 2000.

RFC3410 Case, J., Mundy, R., Partain, D., and B. Stewart,

          "Introduction and Applicability Statements for Internet-
          Standard Management Framework", RFC 3410, December 2002.

Authors' Addresses

Stephan Emile France Telecom R & D 2 avenue Pierre Marzin Lannion, F-22307

Fax: +33 2 96 05 18 52 EMail: [email protected]

Jordi Palet Consulintel, IPv6 R&D San Jose Artesano, 1 Alcobendas, Madrid, Spain E-28108

Fax: +34 91 151 81 98 EMail: [email protected]

Full Copyright Statement

Copyright (C) The Internet Society (2004).

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Acknowledgement

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