FDDI Management Information Base
RFC 1512

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Network Working Group                                            J. Case
Request for Comments: 1512                The University of Tennesse and
Updates: 1285                                SNMP Research, Incorporated
                                                          A. Rijsinghani
                                           Digital Equipment Corporation
                                                          September 1993

                    FDDI Management Information Base

Status of this Memo

   This RFC specifies an Internet standards track protocol for the
   Internet community, and requests discussion and suggestions for
   improvements.  Please refer to the current edition of the "Internet
   Official Protocol Standards" for the standardization state and status
   of this protocol.  Distribution of this memo is unlimited.

Abstract

   This memo defines a portion of the Management Information Base (MIB)
   for use with network management protocols in TCP/IP-based internets.
   In particular, it defines objects for managing devices which
   implement the FDDI based on the ANSI FDDI SMT 7.3 draft standard [8],
   which has been forwarded for publication by the X3T9.5 committee.

Table of Contents

   1. The Network Management Framework ......................    2
   1.1 Object Definitions ...................................    2
   1.2 Format of Definitions ................................    2
   2. Overview ..............................................    2
   2.1 Textual Conventions ..................................    3
   3. Changes from RFC 1285 .................................    3
   4. Object Definitions ....................................    4
   4.1 The SMT Group ........................................    6
   4.2 The MAC Group ........................................   17
   4.3 The Enhanced MAC Counters Group ......................   29
   4.4 The PATH Group .......................................   32
   4.5 The PORT Group .......................................   38
   5. Acknowledgements ......................................   48
   6. References ............................................   50
   7. Security Considerations ...............................   51
   8. Authors' Addresses ....................................   51

Case & Rijsinghani                                              [Page 1]
RFC 1512                        FDDI MIB                  September 1993

1.  The Network Management Framework

   The Internet-standard Network Management Framework consists of three
   components.  They are:

      o STD 16, RFC 1155 which defines the SMI, the mechanisms used for
        describing and naming objects for the purpose of
        management.  STD 16, RFC 1212 defines a more concise description
        mechanism, which is wholly consistent with the SMI.

      o STD 17, RFC 1213 defines MIB-II, the core set of managed objects
        for the Internet suite of protocols.

      o STD 15, RFC 1157 which defines the SNMP, the protocol used for
        network access to managed objects.

   The Framework permits new objects to be defined for the purpose of
   experimentation and evaluation.

1.1.  Object Definitions

   Managed objects are accessed via a virtual information store, termed
   the Management Information Base or MIB.  Objects in the MIB are
   defined using the subset of Abstract Syntax Notation One (ASN.1)
   defined in the SMI.  In particular, each object object type is named
   by an OBJECT IDENTIFIER, an administratively assigned name.  The
   object type together with an object instance serves to uniquely
   identify a specific instantiation of the object.  For human
   convenience, we often use a textual string, termed the descriptor, to
   refer to the object type.

1.2.  Format of Definitions

   Section 4 contains contains the specification of all object types
   contained in this MIB module.  The object types are defined using the
   conventions defined in the SMI, as amended by the extensions
   specified in [7].

2.  Overview

   This document defines the managed objects for FDDI devices which are
   to be accessible via the Simple Network Management Protocol (SNMP).
   At present, this applies to these values of the ifType variable in
   the Internet-standard MIB:

               fddi(15)

   For these interfaces, the value of the ifSpecific variable in the

Case & Rijsinghani                                              [Page 2]
RFC 1512                        FDDI MIB                  September 1993

   MIB-II [4] has the OBJECT IDENTIFIER value:

               fddimib    OBJECT IDENTIFIER ::= { fddi 73 }

   The definitions of the objects presented here draws heavily from
   related work in the ANSI X3T9.5 committee and the SMT subcommittee of
   that committee [8].  In fact, the definitions of the managed objects
   in this document are, to the maximum extent possible, identical to
   those identified by the ANSI committee.  The semantics of each