rfc1901.txt

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RFC 1901         Introduction to Community-based SNMPv2     January 1996


   (3)  The requirement in the Elements of Procedure in Section 4.1 of
        [9] that the "the source transport address that a response
        message is sent from shall be identical to the destination
        transport address that the original request message was sent to"
        is deleted, i.e., the source transport address of a response
        message can be any transport address belonging to the agent.

   The form of a message is also taken from [9], with the exception that
   a new version number is used in the message "wrapper".  Use of a new
   version number is necessary because of SNMPv2's new PDU types [4],
   error codes [4], etc.  With this one change, the wrapper becomes:

    COMMUNITY-BASED-SNMPv2 DEFINITIONS ::= BEGIN

    -- top-level message

        Message ::=
                SEQUENCE {
                     version
                        INTEGER {
                            version(1)  -- modified from RFC 1157
                        },

                    community           -- community name
                        OCTET STRING,

                    data                -- PDUs as defined in [4]
                        ANY
                }
        }

    END

   Note that with this administrative framework, the
   'authorizationError(16)' value defined for the error-status component
   of an SNMPv2 PDU [4] is unused.  It may, however, be used with future
   administrative frameworks.

4.  Security Considerations

   Security issues are not discussed in this memo.










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RFC 1901         Introduction to Community-based SNMPv2     January 1996


5.  Editor's Address

   Keith McCloghrie
   Cisco Systems, Inc.
   170 West Tasman Drive
   San Jose, CA  95134-1706
   US

   Phone: [phone]
   EMail: [e-mail]

6.  Acknowledgements

   This document is the result of significant work by the four major
   contributors:

   Jeffrey D. Case (SNMP Research, [e-mail])
   Keith McCloghrie (Cisco Systems, [e-mail])
   Marshall T. Rose (Dover Beach Consulting, [e-mail])
   Steven Waldbusser (International Network Services, [e-mail])

   In addition, the contributions of the SNMPv2 Working Group are
   acknowledged.  In particular, a special thanks is extended for the
   contributions of:

     Alexander I. Alten (Novell)
     Dave Arneson (Cabletron)
     Uri Blumenthal (IBM)
     Doug Book (Chipcom)
     Kim Curran (Bell-Northern Research)
     Jim Galvin (Trusted Information Systems)
     Maria Greene (Ascom Timeplex)
     Iain Hanson (Digital)
     Dave Harrington (Cabletron)
     Nguyen Hien (IBM)
     Jeff Johnson (Cisco Systems)
     Michael Kornegay (Object Quest)
     Deirdre Kostick (AT&T Bell Labs)
     David Levi (SNMP Research)
     Daniel Mahoney (Cabletron)
     Bob Natale (ACE*COMM)
     Brian O'Keefe (Hewlett Packard)
     Andrew Pearson (SNMP Research)
     Dave Perkins (Peer Networks)
     Randy Presuhn (Peer Networks)
     Aleksey Romanov (Quality Quorum)
     Shawn Routhier (Epilogue)
     Jon Saperia (BGS Systems)



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RFC 1901         Introduction to Community-based SNMPv2     January 1996


     Bob Stewart (Cisco Systems, [e-mail]), chair
     Kaj Tesink (Bellcore)
     Glenn Waters (Bell-Northern Research)
     Bert Wijnen (IBM)

7.  References

[1]  SNMPv2 Working Group, Case, J., McCloghrie, K., Rose, M., and
     S. Waldbusser, "Structure of Management Information for Version 2
     of the Simple Network Management Protocol (SNMPv2)", RFC 1902,
     January 1996.

[2]  SNMPv2 Working Group, Case, J., McCloghrie, K., Rose, M., and
     S. Waldbusser, "Textual Conventions for Version 2 of the Simple
     Network Management Protocol (SNMPv2)", RFC 1903, January 1996.

[3]  SNMPv2 Working Group, Case, J., McCloghrie, K., Rose, M., and
     S. Waldbusser, "Conformance Statements for Version 2 of the Simple
     Network Management Protocol (SNMPv2)", RFC 1904, January 1996.

[4]  SNMPv2 Working Group, Case, J., McCloghrie, K., Rose, M., and
     S. Waldbusser, "Protocol Operations for Version 2 of the Simple
     Network Management Protocol (SNMPv2)", RFC 1905, January 1996.

[5]  SNMPv2 Working Group, Case, J., McCloghrie, K., Rose, M., and
     S. Waldbusser, "Transport Mappings for Version 2 of the Simple
     Network Management Protocol (SNMPv2)", RFC 1906, January 1996.

[6]  SNMPv2 Working Group, Case, J., McCloghrie, K., Rose, M., and
     S. Waldbusser, "Management Information Base for Version 2 of the
     Simple Network Management Protocol (SNMPv2)", RFC 1907,
     January 1996.

[7]  Rose, M., and K. McCloghrie, "Structure and Identification of
     Management Information for TCP/IP-based internets", STD 16, RFC
     1155, May 1990.

[8]  Rose, M., and K. McCloghrie, "Concise MIB Definitions", STD 16,
     RFC 1212, March 1991.

[9]  Case, J., Fedor, M., Schoffstall, M., Davin, J., "Simple Network
     Management Protocol", STD 15, RFC 1157, SNMP Research, Performance
     Systems International, MIT Laboratory for Computer Science, May
     1990.







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RFC 1901         Introduction to Community-based SNMPv2     January 1996


[10] SNMPv2 Working Group, Case, J., McCloghrie, K., Rose, M., and
     S. Waldbusser, "Coexistence between Version 1 and Version 2 of the
     Internet-standard Network Management Framework", RFC 1908,
     January 1996.

[11] Information processing systems - Open Systems Interconnection -
     Specification of Abstract Syntax Notation One (ASN.1),
     International Organization for Standardization.  International
     Standard 8824, (December, 1987).










































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