RFC 1573 (rfc1573) - Page 1 of 55
Evolution of the Interfaces Group of MIB-II
Alternative Format: Original Text Document
Network Working Group K. McCloghrie
Request for Comments: 1573 Hughes LAN Systems
Obsoletes: 1229 F. Kastenholz
Category: Standards Track FTP Software
January 1994
Evolution of the Interfaces Group of MIB-II
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.
Table of Contents
1. Introduction ............................................. 2
2. The SNMPv2 Network Management Framework .................. 2
2.1 Object Definitions ...................................... 3
3 Experience with the Interfaces Group ...................... 3
3.1 Areas of Clarification/Revision ......................... 3
3.1.1 Interface Numbering ................................... 4
3.1.2 Interface Sub-Layers .................................. 4
3.1.3 Virtual Circuits ...................................... 5
3.1.4 Bit, Character, and Fixed-Length Interfaces ........... 5
3.1.5 Counter Size .......................................... 5
3.1.6 Interface Speed ....................................... 6
3.1.7 Multicast/Broadcast Counters .......................... 6
3.1.8 Addition of New ifType values ......................... 6
3.1.9 ifSpecific ............................................ 6
3.2 Clarifications/Revisions ................................ 7
3.2.1 Interface Numbering ................................... 7
3.2.2 Interface Sub-Layers .................................. 8
3.2.3 Guidance on Defining Sub-layers ....................... 11
3.2.4 Virtual Circuits ...................................... 12
3.2.5 Bit, Character, and Fixed-Length Interfaces ........... 12
3.2.6 Counter Size .......................................... 14
3.2.7 Interface Speed ....................................... 16
3.2.8 Multicast/Broadcast Counters .......................... 16
3.2.9 Trap Enable ........................................... 17
3.2.10 Addition of New ifType values ........................ 17
3.2.11 InterfaceIndex Textual Convention .................... 17
3.2.12 IfAdminStatus and IfOperStatus ....................... 18
3.2.13 Traps ................................................ 19
3.2.14 ifSpecific ........................................... 20
McCloghrie & Kastenholz