Derived VLAN mapping technique

Details Derived VLAN mapping technique Derived VLAN mapping technique

2001-01-05

2009-08-18

Trost, IV, William (Department: 2416)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S389000, C370S395100, C370S401000

Reexamination Certificate

active

07577142

ABSTRACT:
A method of operating a switch for frames in a computer network uses one or more indicia of frame type designation found in the received frame to derive a virtual local area network (derived VLAN) value. Also, an indicia of the receiving port may be used in constructing the derived VLAN value. The switch then uses the derived VLAN value in making forwarding decisions. Broadcast domains in the computer network may then be controlled by forwarding in response to the derived VLAN value.

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