Hello! It is possible (but not supported - important difference!) to successfully form a dynamic unicast routing protocol adjacency over a vPC without enabling the layer3 peer-router vPC enhancement. The adjacency (and the underlying traffic) may wor...

Hello! "You cannot form OSPF adjacencies across a vPC VLAN to both Nexus switches simultaneously. OSPF peering over vPC VLANs is not supported between the same downstream device and both vPC peers." This is true with default vPC configuration; howeve...