vPC Control Plane Operation
As discussed earlier, the vPC peer link is used for control plane messaging, such as CFSoE, BPDUs, and LACP messages. The CFSoE is used as the primary control plane protocol for vPC. CFSoE performs the following vPC control plane operations:
Exchange the Layer 2 forwarding table between the vPC peers: It means that if one vPC peer learns a new MAC address, both vPC peer switches know that MAC address, and this MAC is programmed on the Layer 2 Forwarding (L2F) table of both peer devices. This new method of MAC address ...
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