Cisco FabricPath switches support ECMP forwarding for known unicast frames. If the destination switch ID can be reached through more than one output interface with equal cost, the forwarding engine uses a hash function to pick one of the interfaces. Below are the hashing methods:-
1. Source parameters (layer-3, layer-4, or mixed).
2. Destination parameters (layer-3, layer-4, or mixed).
3. Both the source and the destination parameters (layer-3, layer-4, or mixed).
1. Source parameters (layer-3, layer-4, or mixed).
2. Destination parameters (layer-3, layer-4, or mixed).
3. Both the source and the destination parameters (layer-3, layer-4, or mixed).
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