Management Information Base for network management of TCP/IP-based internets
RFC 1066

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Network Working Group                                     K. McCloghrie
Request For Comments: 1066                                      M. Rose
                                                                    TWG
                                                            August 1988

           Management Information Base for Network Management
                       of TCP/IP-based internets

                           Table of Contents

   1. Status of this Memo ...................................   1
   2. IAB POLICY STATEMENT ..................................   2
   3. Introduction ..........................................   2
   4. Objects ...............................................   5
   4.1 Object Groups ........................................   5
   4.2 Format of Definitions ................................   6
   5. Object Definitions ....................................   7
   5.1 The System Group .....................................   8
   5.2 The Interfaces Group .................................  10
   5.2.1 The Interfaces Table ...............................  10
   5.3 The Address Translation Group ........................  22
   5.4 The IP Group .........................................  25
   5.4.1 The IP Address Table ...............................  33
   5.4.2 The IP Routing Table ...............................  35
   5.5 The ICMP Group .......................................  42
   5.6 The TCP Group ........................................  52
   5.7 The UDP Group ........................................  61
   5.8 The EGP Group ........................................  63
   5.8.1 The EGP Neighbor Table .............................  64
   6. Definitions ...........................................  67
   7. Acknowledgements ......................................  88
   8. References ............................................  89

1.  Status of this Memo

   This memo provides the initial version of the Management Information
   Base (MIB) for use with network management protocols in TCP/IP-based
   internets in the short-term.  In particular, together with its
   companion memos which describe the structure of management
   information along with the initial network management protocol, these
   documents provide a simple, workable architecture and system for
   managing TCP/IP-based internets and in particular the Internet.

McCloghrie & Rose                                               [Page 1]
RFC 1066                          MIB                        August 1988

   This memo specifies a draft standard for the Internet community.
   TCP/IP implementations in the Internet which are network manageable
   are expected to adopt and implement this specification.

   Distribution of this memo is unlimited.

2.  IAB POLICY STATEMENT

   This MIB specification is the first edition of an evolving document
   defining variables needed for monitoring and control of various
   components of the Internet.  Not all groups of defined variables are
   mandatory for all Internet components.

   For example, the EGP group is mandatory for gateways using EGP but
   not for hosts which should not be running EGP.  Similarly, the TCP
   group is mandatory for hosts running TCP but not for gateways which
   aren't running it.  What IS mandatory, however, is that all variables
   of a group be supported if any element of the group is supported.

   It is expected that additional MIB groups and variables will be
   defined over time to accommodate the monitoring and control needs of
   new or changing components of the Internet.  The MIB working group
   will continue to refine this specification and projects a revision
   incorporating new requirements in early 1989.

3.  Introduction

   As reported in RFC 1052, IAB Recommendations for the Development of
   Internet Network Management Standards [1], the Internet Activities
   Board has directed the Internet Engineering Task Force (IETF) to
   create two new working groups in the area of network management.  One
   group is charged with the further specification and definition of
   elements to be included in the Management Information Base.  The
   other is charged with defining the modifications to the Simple
   Network Management Protocol (SNMP) to accommodate the short-term
   needs of the network vendor and operator communities.  The long-term
   needs of the Internet community are to be met using the ISO CMIS/CMIP
   [2,3] framework as a basis.  An existing IETF working group, the
   "NETMAN" group, is already engaged in defining the use of CMIS/CMIP
   in a TCP/IP network, and will continue with responsibility for
   addressing the longer-term requirements.

   The output of the MIB working group is to be provided to both  the
   SNMP working  group  and  the  NETMAN group, so as to ensure
   compatibility of monitored items for both network management
   frameworks.

   The MIB working group has produced this memo and a companion.  The