Verify that the PIM RPF routing table is configured correctly.
From the CLI, enter the show multicast rpf command.
user@host> show multicast rpf
Multicast RPF table: inet.0 , 2 entries...
The output shows the multicast RPF table that is configured for PIM. If no multicast RPF routing table is configured, RPF checks use inet.0. Verify the following information:
For a complete description of show multicast rpf output, see the JUNOS Routing Protocols and Policies Command Reference.