Patent ID: 9673999
Date: 2017-06-06
CPC Classifications: H04L

Claim:
1. A method of unicast packet forwarding in a stacked switches system including a plurality of stack groups, comprising: sending, by a member device of the stacked switches system, a first received unicast packet via an inter-group stack port which belongs to an aggregated stack link group on a forwarding path towards a different stack group when the first received unicast packet is to be egressed by another member device in the different stack group; sending, by the member device, a second received unicast packet via an intra-group stack port which on a forwarding path towards another member device in a same stack group when the second received unicast packet which is to be egressed by the another member device in a same stack group; sending, by the member device, a third received unicast packet via a data port of the member device which is associated with an egress port identification of the third received unicast packet when the third received unicast packet is to be egressed by the member device.