Patent ID: 9225549
Filing Date: 2015-12-29
Classification: H04L,Y02D

Abstract:
1. A method of routing a data frame through a network system having a plurality of chassis, the method comprising: generating a unified link aggregation group comprised of a plurality of link aggregation groups mapped to a same virtual local area network (VLAN), wherein the unified link aggregation group is treated as a single logical link from a perspective of a networked element; receiving a data frame from the networked element to be forwarded to the VLAN; determining one of the plurality of link aggregation groups of the unified link aggregated group based at least in part on a source address of the received data frame, wherein each link aggregation group includes a first sub link from one of the plurality of chassis and a second sub link from another one of the plurality of chassis; selecting one of the plurality of sub links from the determined link aggregation group based on routing information of the data frame; and transmitting the data frame on the selected sub link.