Network connection method, network connection system, and,...

Details Network connection method, network connection system, and,... Network connection method, network connection system, and,...

2005-03-23

2010-11-16

Rao, Seema S (Department: 2462)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S409000, C370S469000

Reexamination Certificate

active

07835367

ABSTRACT:
In a network connection method for interconnecting a virtual LAN distributed over plural sites via a network formed by plural layer 2 switches, a layer 2 switch monitors a first virtual LAN configuring frame sent from a site in the plural sites for configuring the virtual LAN, a network virtual LAN identifier is assigned based on the monitored first virtual LAN configuring frame, and the layer 2 switch generates a second virtual LAN configuring frame based on the assigned network virtual LAN identifier, and transmits the second virtual LAN configuring frame to the plural layer 2 switches in the network so as to establish the virtual LAN distributed over the plural sites. Accordingly, configuration and operation of a virtual LAN in a network of the layer 2 switches can be performed efficiently according to the virtual LAN tag of the subscriber.

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