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System and method for interconnecting local area networks

  • US 5,214,646 A
  • Filed: 11/13/1991
  • Issued: 05/25/1993
  • Est. Priority Date: 01/31/1990
  • Status: Expired due to Term
First Claim
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1. A bridging device adapted to be interconnected to a local area network having at least one source routing node connected thereto and to other bridging devices by one or more non-LAN interconnecting communications links to interconnect local area networks into a communication system in which information is transmitted from a source node in a first local area network via a bridging device, non-LAN communications link and bridging device to a source node in a second local area network comprising means adapted to receive an information packet including data defining a routing field emanating from a source routing node connected to said first local area network, said information packet including destination data and means for appending the data in the routing field to emulate a bridging device--local area network--bridging device routing path over the non-LAN communications links interconnecting the bridging devices for routing the information to the proper source node in said second local area network.

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