Patent ID: 9300490
Filing Date: 2016-03-29
CPC Classification: H04L

Claim Text:
1. A packet forwarding method, applicable to a communication system which comprises a source node, a destination node, a first device, and a second device, wherein the destination node and the source node each have dual-homed connections to the first device and the second device, a first logical channel (L 1 ) is established between the source node and the first device and a second logical channel (L 2 ) is established between the source node and the second device, and a third logical channel (L 3 ) is established between the destination node and the first device and a fourth logical channel (L 4 ) is established between the destination node and the second device, and the method comprises: receiving, by the second device through a universal tunnel preestablished between the first device and the second device, a packet to be sent to the destination node, wherein the packet carries service data and one of identifiers of the L querying, by the second device, according to the identifier carried in the packet, a preconfigured logical channel mapping in the second device, and determining that a forwarding channel for forwarding the service data in the packet is the L sending, by the second device, the service data in the packet to the destination node through the L wherein preconfiguring the logical channel mapping comprises: configuring the logical channel mapping on the second device according to a configuration command of a user.