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Structure of Management Information Version 2 (SMIv2)
RFC 2578

Document type: RFC - Internet Standard (April 1999; No errata)
Obsoletes RFC 1902
Was draft-ops-smiv2-smi (individual)
Document stream: Legacy
Last updated: 2013-03-02
Other versions: plain text, pdf, html

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

IESG State: RFC 2578 (Internet Standard)
Responsible AD: (None)
Send notices to: No addresses provided

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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