No RPF neighbor to send J/P on 5510 -w- 7.2(10) code

[ksvy_ksvy]

IPv4 PIM: Received J/P on 3rd-party from xxx.5.228.2 target: xxx.5.228.8 (to us)

IPv4 PIM: J/P entry: Join root: 1xx.65.245.226 group: 239.xxx.128.20 flags: RPT WC S

IPv4 PIM: (*,xxx.194.128.20) 3rd-party Raise J/P expiration timer to 210 seconds

IPv4 PIM: (*,xxx.194.128.20) Processing Periodic Join-Prune timer

IPv4 PIM: (*,xxx.194.128.20) J/P processing

IPv4 PIM: (*,xxx.194.128.20) Periodic J/P scheduled in 50 secs

IPv4 PIM: (*,xxx.194.128.20) No RPF neighbor to send J/P

- would this issue be related to "ip verify reverse-path interface ___ " ?

thanks, Kevin

[#2]

I think this is the output of "debug pim". This may be some multicast issue on the router.