With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cpimExtIfJoinPruneHoldtime
cpim Ext If Join Prune Holdtime
1.3.6.1.4.1.9.10.120.1.1.1.1.7
The value inserted into the Holdtime field of a Join/ Prune message sent on this interface. The value should be 3.5 times cPimInterfaceJoinPruneInterval.
Back to CISCO-IETF-PIM-EXT-MIB MIB page.
IPHost Network monitor allows you to monitor cpimExtIfJoinPruneHoldtime on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.