RFC 2233 (rfc2233) - Page 1 of 66

The Interfaces Group MIB using SMIv2

Network Working Group                                      K. McCloghrie
Request for Comments: 2233                                 Cisco Systems
Obsoletes: 1573                                            F. Kastenholz
Category: Standards Track                                   FTP Software
                                                           November 1997


                  The Interfaces Group MIB using SMIv2


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 (1997).  All Rights Reserved.

Table of Contents

   1 Introduction ..............................................    2
   2 The SNMP Network Management Framework .....................    2
   2.1 Object Definitions ......................................    3
   3 Experience with the Interfaces Group ......................    3
   3.1 Clarifications/Revisions ................................    3
   3.1.1 Interface Sub-Layers ..................................    4
   3.1.2 Guidance on Defining Sub-layers .......................    6
   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 ...........................................   18
   3.1.10 Addition of New ifType values ........................   18
   3.1.11 InterfaceIndex Textual Convention ....................   18
   3.1.12 New states for IfOperStatus ..........................   19
   3.1.13 IfAdminStatus and IfOperStatus .......................   20
   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 ......................   24
   3.1.18 All Values Must be Known .............................   24
   4 Media-Specific MIB Applicability ..........................   25



McCloghrie & Kastenholz     Standards Track