When an interface of a multicast device is configured with a forwarding boundary for a specified group, the forwarding scope of multicast packets is restricted.
By default, no multicast forwarding boundary is configured on an interface.
Perform the following steps on the multicast router:
The system view is displayed.
The interface view is displayed.
The multicast forwarding boundary is configured.
Run the display multicast [ vpn-instance vpn-instance-name | all-instance ] boundary [ group-address [ mask | mask-length ] ] [ interface interface-type interface-number ] command to check information about the multicast boundary configured on an interface.