Layer 2 switch and method of processing expansion VLAN tag...

Details Layer 2 switch and method of processing expansion VLAN tag... Layer 2 switch and method of processing expansion VLAN tag...

2008-07-01

2008-07-01

Abelson, Ronald (Department: 2619)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S389000

Reexamination Certificate

active

07394810

ABSTRACT:
A layer2switch enables communication between different layer2networks by rewriting an expansion VLAN tag according to a network of a frame transfer destination, as well as producing the same effect, by rewriting an expansion VLAN tag, as that obtained by applying expansion VLAN tags to the third and the following stages.

REFERENCES:
patent: 6219699 (2001-04-01), McCloghrie et al.
patent: 2004/0047300 (2004-03-01), Enomoto et al.
patent: 2004/0047353 (2004-03-01), Umayabashi et al.
patent: 2004/0160904 (2004-08-01), Enomoto et al.
patent: 2005/0058132 (2005-03-01), Okano et al.
patent: 11-331237 (1999-11-01), None
patent: 2001-500345 (2001-01-01), None

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