Transport Mappings for version 2 of the Simple Network Management Protocol (SNMPv2)
RFC 1449

Document Type RFC - Proposed Standard (April 1993; No errata)
Obsoleted by RFC 1906
Last updated 2013-03-02
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Network Working Group                                  J. Case
          Request for Comments: 1449                 SNMP Research, Inc.
                                                           K. McCloghrie
                                                      Hughes LAN Systems
                                                                 M. Rose
                                            Dover Beach Consulting, Inc.
                                                           S. Waldbusser
                                              Carnegie Mellon University
                                                              April 1993

                                Transport Mappings
                               for version 2 of the
                   Simple Network Management Protocol (SNMPv2)

          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 Definitions ...........................................    3
          3 SNMPv2 over UDP .......................................    7
          3.1 Serialization .......................................    7
          3.2 Well-known Values ...................................    7
          4 SNMPv2 over OSI .......................................    8
          4.1 Serialization .......................................    8
          4.2 Well-known Values ...................................    8
          5 SNMPv2 over DDP .......................................    9
          5.1 Serialization .......................................    9
          5.2 Well-known Values ...................................    9
          5.3 Discussion of AppleTalk Addressing ..................    9
          5.3.1 How to Acquire NBP names ..........................   10
          5.3.2 When to Turn NBP names into DDP addresses .........   11
          5.3.3 How to Turn NBP names into DDP addresses ..........   11
          5.3.4 What if NBP is broken .............................   12
          6 SNMPv2 over IPX .......................................   13
          6.1 Serialization .......................................   13
          6.2 Well-known Values ...................................   13
          7 Proxy to SNMPv1 .......................................   14
          7.1 Transport Domain: rfc1157Domain .....................   14
          7.2 Authentication Algorithm: rfc1157noAuth .............   14

          Case, McCloghrie, Rose & Waldbusser                   [Page i]



          RFC 1449        Transport Mappings for SNMPv2       April 1993

          8 Serialization using the Basic Encoding Rules ..........   16
          8.1 Usage Example .......................................   17
          9 Acknowledgements ......................................   18
          10 References ...........................................   22
          11 Security Considerations ..............................   24
          12 Authors' Addresses ...................................   24
          13 Security Considerations ..............................   25
          14 Authors' Addresses ...................................   25

          Case, McCloghrie, Rose & Waldbusser                   [Page 1]



          RFC 1449        Transport Mappings for SNMPv2       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.

          The management protocol, version 2 of the Simple Network
          Management Protocol [1], may be used over a variety of
          protocol suites.  It is the purpose of this document to define
          how the SNMPv2 maps onto an initial set of transport domains.
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