Patent ID: 6219699
Filing Date: 2001-04-17
Classification: H04L

Abstract:
A multiple VLAN architecture system, in which multiple different VLANs are capable of operating within a single network, comprisingat least one network communication medium;a LAN-switch coupled to said at least one network communication medium and disposed to receive and route packets, each said packet having a VLAN identifier, and comprising means for routing from a first VLAN to a second VLAN, said means for routing comprising means for removing a first VLAN encapsulation and means for adding a second VLAN encapsulation, said means for adding said second VLAN encapsulation replacing said first VLAN encapsulation with said second VLAN encapsulation, said means for removing and said means for adding located at said LAN-switch; andmeans for identifying said VLAN identifier and means for determining a new VLAN identifier for said second VLAN responsive thereto.