Displays what PIM sees as the best reverse path to the source. While there may be multiple routes back to the source, the one displayed by this command is the one that PIM thinks is best.
Privileged EXEC mode
This example shows best reverse path to the specified source:
device# show ip pim vrf eng rpf 130.50.11.10 Source 130.50.11.10 directly connected on e1/1