With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
pimNeighborUpTime
pim Neighbor Up Time
1.3.6.1.3.61.1.1.3.1.3
The time since this PIM neighbor (last) became a neighbor of the local router.
Back to PIM-MIB MIB page.
IPHost Network monitor allows you to monitor pimNeighborUpTime on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.