Enabling IGMP

To enable an interface to process user join requests, enable IGMP on the interface.

Run system-view
The system view is displayed.
Run interface interface-type interface-number
The interface view is displayed.
Run pim sm
PIM-SM is enabled.

Running the undo pim sm command will delete PIM neighbor relationships on the interface and interrupt the multicast service running on the interface.
Run igmp enable
IGMP is enabled.
Run commit
The configuration is committed.