Bridge forwarding method and apparatus

  • US 7,965,709 B2
  • Filed: 10/18/2006
  • Issued: 06/21/2011
  • Est. Priority Date: 10/19/2005
  • Status: Active Grant
First Claim
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1. A forwarding method, comprising:

  • receiving, via an input port, a frame associated with a first virtual local area network (VLAN);

    obtaining an input VLAN identifier (ID) representing the first VLAN and a destination media access control (MAC) address of the received frame;

    determining a Virtual Switching Instance (VSI) corresponding to the combination of the input port and the input VLAN ID;

    obtaining an output port and an output VLAN ID, wherein the output VLAN ID represents a second VLAN and wherein the output port and the output VLAN ID relate to the destination MAC address and the VSI; and

    communicating the received frame and the output VLAN ID to the obtained output port, wherein the output VLAN ID is different from the input VLAN ID.

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