Patent ID: 6798775
Filing Date: 2004-09-28
Classification: H04L

Abstract:
A method for establishing a virtual local area network, comprising:receiving a first packet by a first router, where said first packet is assigned to a first virtual local area network; identifying said selected virtual local area network by said first router, and in response to said identifying, determining an indicia of said first virtual local area network; writing said indicia of said virtual local area network into an encapsulating header, of an encapsulated packet; transmitting said encapsulated packet over a network using TCP/IP format; receiving said encapsulated packet by a second router, and in response to said receiving, learning said indicia of a virtual local area network from said encapsulated packet; forwarding a second packet by said second router, in response to said indicia of a virtual local area network, onto a destination virtual local area network specified by said indicia.