API Guide

Member link goes down
In the following example, if member link D goes down, resilient hashing distributes the traffic intended for member link D to A
and B. The existing 1, 2, and 3 traffic is not disturbed.
Member link is added
However, when a new member link is added, resilient hashing completes minimal remapping for better load balancing, as shown:
Important notes
Resilient hashing on port channels applies only for unicast traffic.
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Layer 3