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Virtual Port Channel (vPC) technology works by combining two Cisco Nexus 7000 series switches or two Cisco Nexus 5000 series switches with 10GE links, which are then represented to other switches as a single logical switch for port channeling purposes. With vPC, the spanning-tree topology appears loop-free, although multiple redundant paths are present in the physical topology.


Cover of CCDA 640-864 Official Cert Guide


Virtual Port Channel (vPC)