Manager-to-Manager Management Information Base
RFC 1451
Network Working Group J. Case
Request for Comments: 1451 SNMP Research, Inc.
K. McCloghrie
Hughes LAN Systems
M. Rose
Dover Beach Consulting, Inc.
S. Waldbusser
Carnegie Mellon University
April 1993
Manager-to-Manager
Management Information Base
Status of this Memo
This RFC specifes 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 Introduction .......................................... 2
1.1 A Note on Terminology ............................... 2
2 Overview .............................................. 3
2.1 A SNMPv2 Entity Acting in a Dual Role ............... 3
2.2 Alarms, Events, and Notifications ................... 3
2.3 Access Control ...................................... 4
3 Definitions ........................................... 6
3.1 The Alarm Group ..................................... 7
3.1.1 Alarm-Related Notifications ....................... 20
3.2 The Event Group ..................................... 21
3.3 Conformance Information ............................. 29
3.3.1 Compliance Statements ............................. 29
3.3.2 Units of Conformance .............................. 29
4 Acknowledgements ...................................... 31
5 References ............................................ 35
6 Security Considerations ............................... 36
7 Authors' Addresses .................................... 36
Case, McCloghrie, Rose & Waldbusser [Page 1]
RFC 1451 Manager-to-Manager MIB April 1993
1. Introduction
A network management system contains: several (potentially
many) nodes, each with a processing entity, termed an agent,
which has access to management instrumentation; at least one
management station; and, a management protocol, used to convey
management information between the agents and management
stations. Operations of the protocol are carried out under an
administrative framework which defines both authentication and
authorization policies.
Network management stations execute management applications
which monitor and control network elements. Network elements
are devices such as hosts, routers, terminal servers, etc.,
which are monitored and controlled through access to their
management information.
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. These modules are written
using a subset of OSI's Abstract Syntax Notation One (ASN.1)
[1], termed the Structure of Management Information (SMI) [2].
The management protocol, version 2 of the Simple Network
Management Protocol [3], provides for the exchange of messages
which convey management information between the agents and the
management stations, including between management stations.
It is the purpose of this document to define managed objects
which describe the behavior of a SNMPv2 entity acting in both
a manager role and an agent role.
1.1. A Note on Terminology
For the purpose of exposition, the original Internet-standard
Network Management Framework, as described in RFCs 1155, 1157,
and 1212, is termed the SNMP version 1 framework (SNMPv1).
The current framework is termed the SNMP version 2 framework
(SNMPv2).
Case, McCloghrie, Rose & Waldbusser [Page 2]
RFC 1451 Manager-to-Manager MIB April 1993
2. Overview
The purpose of this MIB is to provide the means for
coordination between multiple management stations. That is,
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