SNMP over Ethernet

M. Schoffstall; C. Davin; M. Fedor; J. Case

doi:10.17487/RFC1089

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This is a modified version of the Internet RFC suitable for machine-translating. Original version is available here: RFC1089

Obsoleted by: 4789 UNKNOWN

Network Working Group                                  M. Schoffstall
Request for Comments: 1089           Rensselaer Polytechnic Institute
                                                             C. Davin
                                  MIT Laboratory for Computer Science
                                                             M. Fedor
                                                       NYSERNet, Inc.
                                                              J. Case
                                 University of Tennessee at Knoxville
                                                        February 1989

SNMP over Ethernet

Status of This Memo

This memo describes an experimental method by which the Simple Network Management Protocol (SNMP) as specified in [1] can be used over Ethernet MAC layer framing [2] instead of the Internet UDP/IP protocol stack. This specification is useful for LAN based network elements that support no higher layer protocols beyond the MAC sub- layer. Distribution of this memo is unlimited.

Overview and Rational

SNMP has been successful in managing Internet capable network elements which support the protocol stack at least through UDP the connectionless Internet transport layer protocol. As originally designed, SNMP is capable of running over any reasonable transport mechanism (not necessarily a transport protocol) that supports bi- directional flow and addressability.

Many non-Internet capable network elements are present in local networks; for example, repeaters and wiring concentrators. They include both addressability, and programmable intelligence. These devices are widely used and increasingly important yet, for the most part, invisible except through proprietary mechanisms.

Specification

Almost all Internet capable network elements use the same mechanism for encapsulation of the Internet protocol stack regardless of conformity with the physical characteristics of Ethernet or 802.3, this mechanism is specified in [3] and [4]. This specification continues that style with the assignment (by XEROX) of 33100 (hexadecimal 814C) to the Ethernet Type field for SNMP. The data portion of the Ethernet frame would then be a standard SNMP message as specified in [1].

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RFC 1089                   SNMP over Ethernet              February 1989

References

[1] Case, J., Fedor, M., Schoffstall, M., and J. Davin, "A Simple
Network Management Protocol", RFC-1067, University of Tennessee at Knoxville, NYSERNet, Inc., Rensselaer Polytechnic Institute, and Proteon, Inc., August 1988.

[2] DEC, "The Ethernet - A Local Area Network", Version 2.0,
Digital Equipment Corporation, Intel Corporation, Xerox Corporation.

[3] Hornig, C., "A Standard for the Transmission of IP Datagrams
over Ethernet Networks", RFC-894, Symbolics, April 1984.

[4] Postel, J., and J. Reynolds, "A Standard for the Transmission
of IP Datagrams over IEEE 802 Networks", RFC-1042, USC Information Sciences Institute, February 1988.

Authors' Addresses

Marty Schoffstall NYSERNET Inc. Rensselaer Technology Park 165 Jordan Road Troy, NY 12180

Phone: (518) 276-2654

EMail: schoff@stonewall.nyser.net

Chuck Davin MIT Laboratory for Computer Science, NE43-507 545 Technology Square Cambridge, MA 02139

Phone: (617) 253-6020

EMail: jrd@ptt.lcs.mit.edu Mark Fedor Nysernet, Inc. Rensselaer Technology Park 125 Jordan Road Troy, NY 12180 (518) 283-8860

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RFC 1089                   SNMP over Ethernet              February 1989

Phone: (518) 283-8860

EMail: fedor@patton.NYSER.NET

Jeff Case University of Tennessee Computing Center Associate Director 200 Stokely Management Center Knoxville, TN 37996-0520

Phone: (615) 974-6721

EMail: case@UTKUX1.UTK.EDU

Schoffstall, Davin, Fedor & Case [Page 3]

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