Apparatus and method for configuring spanning tree and...

Details Apparatus and method for configuring spanning tree and... Apparatus and method for configuring spanning tree and...

2006-01-10

2006-01-10

Nguyen, Chau (Department: 2661)

Multiplex communications

Network configuration determination

Using a particular learning algorithm or technique

C370S401000

Reexamination Certificate

active

06985449

ABSTRACT:
An apparatus for configuring a spanning tree is used for a network in which a plurality of virtual LANs coexist. This apparatus for configuring the spanning tree has at least one bridge and a holding section. The above at least one bridge has a plurality of ports, and is capable of configuring a plurality of virtual LANs by logically combining the plurality of ports. The holding section holds on the bridge for each of the plurality of virtual LANs, information that is a combination between a code for identifying each of the plurality of virtual LANs configured by the bridge and a code for identifying a root bridge in the spanning tree for each of the plurality of virtual LANs.

REFERENCES:
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ISO/IEC 15802-3: 1998; (E) ANSI/IEEE Std 802. 1D, 1998 Edition, Local and Metropolitan Area Networks: Media Access Control (MAC) Bridges, pp. 58-75, 8. the Spanning Tree Algorithm and Protocol.
IEEE std. 802. 1Q-1998 Local and Metropolitan Area Networks: Virtual Bridges Local Area Networks, pp. 62-69, 9. Tagged frame format.

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