With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cpimExtIfSRTTLThreshold
cpim Ext If SRTTL Threshold
1.3.6.1.4.1.9.10.120.1.1.1.1.10
The Time To Live in a PIM-DM State Refresh message at which it is not forwarded on this interface.
Back to CISCO-IETF-PIM-EXT-MIB MIB page.
IPHost Network monitor allows you to monitor cpimExtIfSRTTLThreshold 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.