Symptom

Multicast receivers get duplicate traffic from the sources or no traffic at all; It seems that the issue occurs only if the ingress Po is L3

Conditions

Nexus 9K Tahoe running 9.3(8) and "src-dst ip-vlan" hash is in use

Workaround

Default the load-balancing hash (no port-channel load-balance src-dst ip-vlan); Disabling port-channel members (on the ingress or egress POs) might also work

Further Problem Description