• Author : Srinivas Kovvuri

 
 

Resilient ECMP

Overview Equal Cost Multi-path (ECMP) provides the ability to load-share traffic across multiple next-hops. When a next-hop fails or is deleted all flows are affected. This is due to the nature of the load-balancing algorithm which re-calculates a new hash for the flows based on the remaining active next-hops. Resilient ECMP keeps the total number of next-hops same by replacing the deleted next-hop with one or more of the remaining active next-hops and maintain the order of next-hops in the ECMP groupset. This feature is currently supported on the 7050, 7160, 7280, 73xx, 75xx platforms Benefits When a next-hop fails,...
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