Patent ID: 7965709
Filing Date: 2011-06-21
Classification: H04L

Abstract:
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.