PIM over L2TP allows users to access multicast services over an L2TP tunnel.
When a multicast service provider needs to provide multicast services for users through a third-party network, L2TP can be used to carry multicast services. To control the multicast traffic carried by L2TP, you can configure PIM over L2TP to implement multicast user authentication and accounting.
Before configuring PIM over L2TP, complete the following tasks:
Configure a unicast routing protocol to ensure that devices are reachable.
Set up an L2TP tunnel between the LAC and the LNS.
The system view is displayed.
The VT interface view is displayed.
PIM-SM is enabled.
Multicast replication by session is enabled on the VT interface.
This command is supported only by the admin VS.
PIM over L2TP is enabled on the VT interface.
The configuration is committed.