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Method and system for increasing available user VLAN space

  • US 20050138149A1
  • Filed: 12/23/2003
  • Published: 06/23/2005
  • Est. Priority Date: 12/23/2003
  • Status: Abandoned Application
First Claim
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1. A method for increasing a user virtual local area network (VLAN) space in a system adapted to transmit protocol data units (PDUs) received from at least a first network and a second network over shared communications links, wherein the first network comprises a first untagged domain and a first VLAN domain associated with a first VLAN identifier (VID) space, and the second network comprises a second untagged domain, the method comprising the steps of:

  • tagging one or more PDUs from the first untagged domain with a VLAN identifier conservation (VIC) tag comprising a VLAN identifier associated with the first network; and

    tagging one or more PDUs from the second untagged domain with a VLAN identifier conservation (VIC) tag comprising a VLAN identifier associated with the second network.

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