Before configuring N-to-N multicast VLAN replication based on user VLANs, you must enable Layer 2 Internet Group Management Protocol (IGMP) snooping in user VLANs and enable the triggering of multicast flows.
The system view is displayed.
IGMP snooping is enabled globally.
A VLAN is created, and the VLAN view is displayed.
IGMP snooping is enabled in the VLAN.
The triggering of multicast flows is enabled in the VLAN.