With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
pimNextHopGroup
pim Next Hop Group
1.3.6.1.3.61.2.2.6
A collection of optional objects to provide per-next hop information for diagnostic purposes. Supporting this group may add a large number of instances to a tree walk, but the information in this group can be extremely useful in tracking down multicast connectivity problems.
Back to PIM-MIB MIB page.
IPHost Network monitor allows you to monitor pimNextHopGroup 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.