[L2 EVPN] and  [Multicast EVPN IRB] solutions allow for the delivery of customer BUM (Broadcast, Unknown unicast and Multicast) traffic in a L2VPN and L3VPNs respectively using multicast in the underlay network.

[L2 EVPN] and  [Multicast EVPN IRB] solutions allow for the delivery of customer BUM (Broadcast, Unknown unicast

In a Mlag setup with Pim SSM, one peer becomes the DR for a layer 3 interface and is responsible for routing multicast

The MLD protocol is the IPv6 equivalent of IGMP for IPv4. Multicast routers use MLD to find out about multicast