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IEEE 802.1H-1995

IEEE Standards for Local and Metropolitan Area Networks: Recommended Practice for Media Access Control (MAC) Bridging of Ethernet V2.0 in IEEE 802 Local Area Networks
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IEEE 802.1H-1995

IEEE Standards for Local and Metropolitan Area Networks: Recommended Practice for Media Access Control (MAC) Bridging of Ethernet V2.0 in IEEE 802 Local Area Networks

PUBLISH DATE 2001
PAGES 26
IEEE 802.1H-1995

New IEEE Standard - Inactive-Withdrawn. Administratively withdrawn January 2011.

Extensions to the behavior of ISO/IEC 10038 (IEEE 802.1D) media access control (MAC) Bridges, in order to facilitate interoperability in bridged local area networks (LANs) comprising CSMA/CD networks interconnected with other types of LAN using MAC Bridges, where the CSMA/CD networks contain a mixture of ISO/IEC 8802-3 and Ethernet V2.0 end stations, are specified.

Additionally, guidelines are provided for the development of nonstandard 802 protocols, with particular emphasis on:

  • Conversion of existing Ethernet protocols
  • The behavior to be expected from a Bridge, for the purpose of avoiding future incompatibilities.

For the purpose of facilitating the interoperability of ISO/IEC 10038 MAC Bridges and end stations in bridged LANs comprising CSMA/CD networks containing a mixture of ISO/IEC 8802-3 and Ethernet end stations and other types of LANs, this Technical Report specifies extensions to the behavior of MAC Bridges.

To this end this Technical Report:

  • Extends the Bridge service interface model to support multiple MAC services on a single LAN and to add a Bridge-Tunnel service interface.
  • Defines the Selective Translation Algorithm used by a Bridge to convert between Ethernet and ISO/IEC 8802 frame formats.
  • Defines the protocols used by a Bridge to convey Ethernet frames across ISO/IEC 8802 LANs, the Bridge-Tunnel Encapsulation Protocol, and the RFC1042 Encapsulation Protocol.

Additionally, for the purpose of avoiding future incompatibilities, this Technical Report provides guidelines for the development of nonstandard ISO/IEC 8802 protocols, with particular emphasis on conversion of existing Ethernet protocols and the behavior to be expected from a Bridge.

The following are the express goals of this Technical Report:

  • Preservation of full interoperability between ISO/IEC 8802 LANs.
  • Enhancement of interoperability between ISO/IEC 8802 LANs and nonstandard LANs (i.e., Ethernet).
  • Encouragement of vendors to migrate to ISO/IEC 8802-based protocols.
  • Preservation of existing interoperability mechanisms between ISO/IEC 8802 LANs and nonstandard LANs.
  • Engendering the design of new ISO/IEC 8802 protocols, and the migration of existing Ethernet protocols, in a fashion that is compatible with Bridges and ISO/IEC 8802 end stations.

The following is not a goal of this Technical Report: Providing communication between two end stations, with the same physical LAN protocol, which are otherwise not capable of communicating when attached to a single LAN.

SDO IEEE: Institute of Electrical and Electronics Engineers
Document Number 802.1H
Publication Date Dec. 6, 2001
Language en - English
Page Count 26
Revision Level
Supercedes
Committee LAN/MAN Standards Committee
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