Network Working Group Editors of this version:
Request for Comments: 2578 K. McCloghrie
STD: 58 Cisco Systems
Obsoletes: 1902 D. Perkins
Category: Standards Track SNMPinfo
J. Schoenwaelder
TU Braunschweig
Authors of previous version:
J. Case
SNMP Research
K. McCloghrie
Cisco Systems
M. Rose
First Virtual Holdings
S. Waldbusser
International Network Services
April 1999
Structure of Management Information Version 2 (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 (1999). All Rights Reserved.
Table of Contents
1 Introduction .................................................3
1.1 A Note on Terminology ......................................4
2 Definitions ..................................................4
2.1 The MODULE-IDENTITY macro ..................................5
2.2 Object Names and Syntaxes ..................................5
2.3 The OBJECT-TYPE macro ......................................8
2.5 The NOTIFICATION-TYPE macro ...............................10
2.6 Administrative Identifiers ................................11
3 Information Modules .........................................11
3.1 Macro Invocation ..........................................12
3.1.1 Textual Values and Strings ..............................13
McCloghrie, et al. Standards Track [Page 1]
RFC 2578 SMIv2 April 1999
3.2 IMPORTing Symbols .........................................14
3.3 Exporting Symbols .........................................14
3.4 ASN.1 Comments ............................................14
3.5 OBJECT IDENTIFIER values ..................................15
3.6 OBJECT IDENTIFIER usage ...................................15
3.7 Reserved Keywords .........................................16
4 Naming Hierarchy ............................................16
5 Mapping of the MODULE-IDENTITY macro ........................17
5.1 Mapping of the LAST-UPDATED clause ........................17
5.2 Mapping of the ORGANIZATION clause ........................17
5.3 Mapping of the CONTACT-INFO clause ........................18
5.4 Mapping of the DESCRIPTION clause .........................18
5.5 Mapping of the REVISION clause ............................18
5.5.1 Mapping of the DESCRIPTION sub-clause ...................18
5.6 Mapping of the MODULE-IDENTITY value ......................18
5.7 Usage Example .............................................18
6 Mapping of the OBJECT-IDENTITY macro ........................19
6.1 Mapping of the STATUS clause ..............................19
6.2 Mapping of the DESCRIPTION clause .........................20
6.3 Mapping of the REFERENCE clause ...........................20
6.4 Mapping of the OBJECT-IDENTITY value ......................20
6.5 Usage Example .............................................20
7 Mapping of the OBJECT-TYPE macro ............................20
7.1 Mapping of the SYNTAX clause ..............................21
7.1.1 Integer32 and INTEGER ...................................21
7.1.2 OCTET STRING ............................................21
7.1.3 OBJECT IDENTIFIER .......................................22
7.1.4 The BITS construct ......................................22
7.1.5 IpAddress ...............................................22
7.1.6 Counter32 ...............................................23
7.1.7 Gauge32 .................................................23
7.1.8 TimeTicks ...............................................24
7.1.9 Opaque ..................................................24
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