IEEE 802.12 Interface MIB
RFC 2020
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RFC - Proposed Standard
(October 1996; No errata)
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John Flick
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2013-03-02
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IETF
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RFC 2020 (Proposed Standard)
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Network Working Group J. Flick
Request for Comments: 2020 Hewlett Packard
Category: Standards Track October 1996
Definitions of Managed Objects for IEEE 802.12 Interfaces
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.
Table of Contents
1. Introduction ............................................... 1
2. Object Definitions ......................................... 2
3. Overview ................................................... 2
3.1. MAC Addresses ............................................ 3
3.2. Relation to RFC 1213 ..................................... 3
3.3. Relation to RFC 1573 ..................................... 3
3.3.1. Layering Model ......................................... 4
3.3.2. Virtual Circuits ....................................... 4
3.3.3. ifTestTable ............................................ 4
3.3.4. ifRcvAddressTable ...................................... 4
3.3.5. ifPhysAddress .......................................... 4
3.3.6. Specific Interface MIB Objects ......................... 5
3.4. Relation to RFC 1643, RFC 1650, and RFC 1748 ............. 8
3.5. Relation to RFC 1749 ..................................... 8
3.6. Master Mode Operation .................................... 9
3.7. Normal and High Priority Counters ........................ 9
3.8. IEEE 802.12 Training Frames .............................. 10
3.9. Mapping of IEEE 802.12 Managed Objects ................... 12
4. Definitions ................................................ 14
5. Acknowledgements ........................................... 30
6. References ................................................. 30
7. Security Considerations .................................... 31
8. Author's Address ........................................... 31
1. Introduction
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 network interfaces
based on IEEE 802.12.
Flick Standards Track [Page 1]
RFC 2020 IEEE 802.12 Interface MIB October 1996
2. Object Definitions
Management information is viewed as a collection of managed objects,
residing in a virtual information store, termed the Management
Information Base (MIB). Collections of related objects are defined
in MIB modules. MIB modules are written using a subset of Abstract
Syntax Notation One (ASN.1) [1] termed the Structure of Management
Information (SMI) [2]. In particular, each object type is named by
an OBJECT IDENTIFIER, an administratively assigned name. The object
type together with an object instance serves to uniquely identify a
specific instantiation of the object. For human convenience, we
often use a textual string, termed the descriptor, to refer to the
object type.
3. Overview
Instances of these object types represent attributes of an interface
to an IEEE 802.12 communications medium. At present, IEEE 802.12
media are identified by one value of the ifType object in the
Internet-standard MIB:
ieee80212(55)
For this interface, the value of the ifSpecific variable in the MIB-
II [5] has the OBJECT IDENTIFIER value:
dot12MIB OBJECT IDENTIFIER ::= { transmission 45 }
The values for the ifType object are defined by the IANAifType
textual convention. The Internet Assigned Numbers Authority (IANA)
is responsible for the assignment of all Internet numbers, including
new ifType values. Therefore, IANA is responsible for maintaining
the definition of this textual convention. The current definition of
the IANAifType textual convention is available from IANA's World Wide
Web server at:
http://www.iana.org/iana/
The definitions presented here are based on the IEEE Standard
802.12-1995, [6] Clause 13 "Layer management functions and services",
and Annex C "GDMO Specifications for Demand Priority Managed
Objects". Implementors of these MIB objects should note that the
IEEE document explicitly describes (in the form of Pascal pseudocode)
when, where, and how various MAC attributes are measured. The IEEE
document also describes the effects of MAC actions that may be
invoked by manipulating instances of the MIB objects defined here.
Flick Standards Track [Page 2]
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