SNMP MIB extension for Multiprotocol Interconnect over X.25
RFC 1461

Document Type RFC - Historic (May 1993; No errata)
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Network Working Group                                          D. Throop
Request for Comments: 1461                      Data General Corporation
                                                                May 1993

      SNMP MIB extension for Multiprotocol Interconnect over X.25

Status of this Memo

   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.

Abstract

   This memo defines a portion of the Management Information Base (MIB)
   for use with network management protocols in TCP/IP-based internets.
   In particular, it defines objects for managing Multiprotocol
   Interconnect (including IP) traffic carried over X.25.  The objects
   defined here, along with the objects in the "SNMP MIB extension for
   the Packet Layer of X.25"[8], "SNMP MIB extension for LAPB"[7], and
   the "Definitions of Managed Objects for RS-232-like Hardware Devices"
   [6], combine to allow management of the traffic over an X.25 protocol
   stack.

Table of Contents

   1. The Network Management Framework .........................    1
   2. Objects ..................................................    2
   2.1 Format of Definitions ...................................    2
   3. Overview .................................................    3
   3.1 Scope ...................................................    3
   3.2 Structure of MIB objects ................................    3
   4. Definitions ..............................................    4
   5. Acknowledgements .........................................   19
   6. References ...............................................   20
   7. Security Considerations ...................................  21
   8. Author's Address .........................................   21

1.  The Network Management Framework

   The Internet-standard Network Management Framework consists of three
   components.  These components give the rules for defining objects,
   the definitions of objects, and the protocol for manipulating
   objects.

Throop                                                          [Page 1]
RFC 1461        Multiprotocol Interconnect on X.25 MIB          May 1993

   The network management framework structures objects in an abstract
   information tree. The branches of the tree name objects and the
   leaves of the tree contain the values manipulated to effect
   management. This tree is called the Management Information Base or
   MIB. The concepts of this tree are given in STD 16, RFC 1155, "The
   Structure of Management Information" or SMI [1]. The SMI defines the
   trunk of the tree and the types of objects used when defining the
   leaves. STD 16, RFC 1212, "Towards Concise MIB Definitions" [3],
   defines a more concise description mechanism that preserves all the
   principals of the SMI.

   The core MIB definitions for the Internet suite of protocols can be
   found in STD 17, RFC 1213 [4], "Management Information Base for
   Network Management of TCP/IP-based internets".

   STD 15, RFC 1157 [2] defines the SNMP protocol itself. The protocol
   defines how to manipulate the objects in a remote MIB.

   The tree structure of the MIB allows new objects to be defined for
   the purpose of experimentation and evaluation.

2.  Objects

   The definition of an object in the MIB requires an object name and
   type.  Object names and types are defined using the subset of
   Abstract Syntax Notation One (ASN.1) [5] defined in the SMI [1].
   Objects are named using ASN.1 object identifiers, administratively
   assigned names, to specify object types.  The object name, together
   with an optional object instance, uniquely identifies a specific
   instance of an object.  For human convenience, we often use a textual
   string, termed the descriptor, to refer to objects.

   Objects also have a syntax that defines the abstract data structure
   corresponding to that object type.  The ASN.1 language [5] provides
   the primitives used for this purpose.  The SMI [1] purposely
   restricts the ASN.1 constructs which may be used for simplicity and
   ease of implementation.

2.1.  Format of Definitions

   Section 4 contains the specification of all object types contained in
   this MIB module.  The object types are defined using the conventions
   defined in the SMI, as amended by the extensions specified in
   "Towards Concise MIB Definitions" [3].

Throop                                                          [Page 2]
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