Communication apparatus, communication system, and...

Details Communication apparatus, communication system, and... Communication apparatus, communication system, and...

2006-11-14

2006-11-14

Pham, Brenda (Department: 2616)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S389000

Reexamination Certificate

active

07136390

ABSTRACT:
A bridge is devised to easily divide a spanning tree domain and to divide only a spanning tree domain while avoiding division of a broadcast domain. A spanning tree domain of a bridged LAN is divided in such a manner that a plurality of bridge protocol entities are provided in the bridge for connection between spanning trees, and ports of the bridge are assigned to the bridge protocol entities in a one-to-one relationship to enable the ports to participate respectively in different spanning trees. Spanning tree division is thus facilitated.

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