Patent ID: 9294305
Filing Date: 2016-03-22
CPC Classification: H04L

Claim Text:
1. A method for sending Ethernet frames in an Ethernet Tree service, comprising: receiving, by a virtual local area network (VLAN) bridge, Ethernet frames sent by a root node or a leaf node; importing, by the VLAN bridge, the Ethernet frames into at least one root VLAN or at least one leaf VLAN according to a type of the node sending the Ethernet frames, and sending the Ethernet frames to a same virtual switching instance (VSI), wherein the VSI is connected to the VLAN bridge by the at least one root VLAN and the at least one leaf VLAN and the VLAN bridge, the at least one root VLAN, the at least one leaf VLAN and the VSI are included in a provider edge (PE) device; and sending, by the VSI, the Ethernet frames to a corresponding remote PE device by a pseudowire.