With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
pimV2CandidateRPMIBGroup
pim V2 Candidate RPMIB Group
1.3.6.1.3.61.2.2.3
A collection of objects to support configuration of which groups a router is to advertise itself as a Candidate-RP.
Back to PIM-MIB MIB page.
IPHost Network monitor allows you to monitor pimV2CandidateRPMIBGroup on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco mobile switches right now.