During the routine maintenance of IPv4 multicast routing management, you can run the display commands in any view to learn the running of the multicast forwarding table.
In routine maintenance, you can run the following commands in any view to check the status of multicast forwarding.
display multicast [ vpn-instance vpn-instance-name | all-instance ] forwarding-table [ group-address | source-address | incoming-interface { interface-type interface-number | register } | outgoing-interface { include | exclude | match } { interface-type interface-number | register | none } | statistics | slot slot-number ] *