With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cPimNbrExpiryTime
Cisco Pim Neighbor Expiry Time
1.3.6.1.4.1.9.10.119.1.1.3.1.5
The minimum time remaining before this PIM neighbor will be aged out.
Back to CISCO-IETF-PIM-MIB MIB page.
IPHost Network monitor allows you to monitor cPimNbrExpiryTime on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.