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The Interfaces Group MIB
RFC 2863

Document type: RFC - Draft Standard (June 2000; No errata)
Obsoletes RFC 2233
Document stream: IETF
Last updated: 2013-03-02
Other versions: plain text, pdf, html

IETF State: (None)
Document shepherd: No shepherd assigned

IESG State: RFC 2863 (Draft Standard)
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Network Working Group                                      K. McCloghrie
Request for Comments: 2863                                 Cisco Systems
Obsoletes: 2233                                            F. Kastenholz
Category: Standards Track                                 Argon Networks
                                                               June 2000

                        The Interfaces Group MIB

Status of this Memo

   This document 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" (STD 1) for the standardization state
   and status of this protocol.  Distribution of this memo is unlimited.

Copyright Notice

   Copyright (C) The Internet Society (2000).  All Rights Reserved.

Table of Contents

   1 Introduction .................................................    2
   2 The SNMP Network Management Framework ........................    2
   3 Experience with the Interfaces Group .........................    3
   3.1 Clarifications/Revisions ...................................    4
   3.1.1 Interface Sub-Layers .....................................    4
   3.1.2 Guidance on Defining Sub-layers ..........................    7
   3.1.3 Virtual Circuits .........................................    8
   3.1.4 Bit, Character, and Fixed-Length Interfaces ..............    8
   3.1.5 Interface Numbering ......................................   10
   3.1.6 Counter Size .............................................   14
   3.1.7 Interface Speed ..........................................   16
   3.1.8 Multicast/Broadcast Counters .............................   17
   3.1.9 Trap Enable ..............................................   17
   3.1.10 Addition of New ifType values ...........................   18
   3.1.11 InterfaceIndex Textual Convention .......................   18
   3.1.12 New states for IfOperStatus .............................   18
   3.1.13 IfAdminStatus and IfOperStatus ..........................   19
   3.1.14 IfOperStatus in an Interface Stack ......................   21
   3.1.15 Traps ...................................................   21
   3.1.16 ifSpecific ..............................................   23
   3.1.17 Creation/Deletion of Interfaces .........................   23
   3.1.18 All Values Must be Known ................................   24
   4 Media-Specific MIB Applicability .............................   24
   5 Overview .....................................................   25
   6 Interfaces Group Definitions .................................   26

McCloghrie & Kastenholz     Standards Track                     [Page 1]
RFC 2863                The Interfaces Group MIB               June 2000

   7 Acknowledgements .............................................   64
   8 References ...................................................   64
   9 Security Considerations ......................................   66
   10 Authors' Addresses ..........................................   67
   11 Changes from RFC 2233 .......................................   67
   12 Notice on Intellectual Property .............................   68
   13 Full Copyright Statement ....................................   69

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 describes managed objects used for managing Network
   Interfaces.  This memo discusses the 'interfaces' group of MIB-II
   [17], especially the experience gained from the definition of
   numerous media-specific MIB modules for use in conjunction with the '
   interfaces' group for managing various sub-layers beneath the
   internetwork-layer.  It specifies clarifications to, and extensions
   of, the architectural issues within the MIB-II model of the '
   interfaces' group.  This memo obsoletes RFC 2233, the previous
   version of the Interfaces Group MIB.

   The key words "MUST" and "MUST NOT" in this document are to be
   interpreted as described in RFC 2119 [16].

2.  The SNMP Network Management Framework

   The SNMP Management Framework presently consists of five major
   components:

      o  An overall architecture, described in RFC 2571 [1].

      o  Mechanisms for describing and naming objects and events for the
         purpose of management.  The first version of this Structure of
         Management Information (SMI) is called SMIv1 and described in
         STD 16, RFC 1155 [2], STD 16, RFC 1212 [3] and RFC 1215 [4].
         The second version, called SMIv2, is described in STD 58, which

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