220.127.116.11 → 01:00:5E:0A:01:01
18.104.22.168 → 01:00:5E:0A:01:01
Same MAC address 2^5 = 32 exists.
same subnet and same Multicast MAC address needs careful.
but different subnet MAC has no problem.
Switch will flooding multicast traffic.
Router will not forward multicast packet by default as well as broadcast.
Multicast routing must be enabled all routers from sender to receiver.