Network Working Group K. McCloghrie Request for Comments: 1213 Hughes LAN Systems, Inc. Obsoletes: RFC 1158 M. Rose Performance Systems International Editors March 1991 Management Information Base for Network Management of TCP/IP-based internets: MIB-II Status of this Memo This memo defines the second version of the Management Information Base (MIB-II) for use with network management protocols in TCP/IP- based internets. This RFC specifies an IAB standards track protocol for the Internet community, and requests discussion and suggestions for improvements. Please refer to the current edition of the "IAB Official Protocol Standards" for the standardization state and status of this protocol. Distribution of this memo is unlimited. Table of Contents 1. Abstract............................................... 2 2. Introduction .......................................... 2 3. Changes from RFC 1156 ................................. 3 3.1 Deprecated Objects ................................... 3 3.2 Display Strings ...................................... 4 3.3 Physical Addresses ................................... 4 3.4 The System Group ..................................... 5 3.5 The Interfaces Group ................................. 5 3.6 The Address Translation Group ........................ 6 3.7 The IP Group ......................................... 6 3.8 The ICMP Group ....................................... 7 3.9 The TCP Group ........................................ 7 3.10 The UDP Group ....................................... 7 3.11 The EGP Group ....................................... 7 3.12 The Transmission Group .............................. 8 3.13 The SNMP Group ...................................... 8 3.14 Changes from RFC 1158 ................. ............. 9 4. Objects ............................................... 10 4.1 Format of Definitions ................................ 10 5. Overview .............................................. 10 6. Definitions ........................................... 12 6.1 Textual Conventions .................................. 12 6.2 Groups in MIB-II ..................................... 13 6.3 The System Group ..................................... 13 SNMP Working Group