Multiport lan bridge

Details Multiport lan bridge Multiport lan bridge

H - Electricity

04

L

H04L 12/46 (2006.01)

Patent

CA 2100543

A multiport bridge includes a plurality of Bridge Port Frame Handler (BPFH) units coupled through a Source Routing bus and a Transparent Bridge Bus to a microcontroller, a Packet Memory and a Transparent Bridge Control Management System (TBCMS). Each Bridge Port Frame Handler unit receives Frame from its attached LAN, forwards selected portions of Source Routing Frames to other Bridge Port Frame Handlers for further processing. Likewise, selected portions of Transparent Bridge Frames are forwarded to the TBCMS whereat routing information and signature information is extracted and returned to the forwarding BPFH unit for further processing.

Pont multiport comprenant : un certain nombre de dispositifs de traitement des trames présentes aux ports du pont (BPFH), lesquels dispositifs sont couplés à un microcontrôleur par l'intermédiaire d'un bus d'acheminement de sortie de source et d'un bus de pont transparent; une mémoire de paquets et un système de commande de pont transparent. Chaque BPFH reçoit des trames du réseau local qui lui est associé et transmet certaines parties des trames d'acheminement de sortie de source à d'autres BPFH pour traitement ultérieur. De même, certaines parties des trames de pont transparent sont transmises au TBCMS où de l'information d'acheminement et de signature est extraite et renvoyée au BPFH transmetteur pour traitement ultérieur.

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