With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ciscoIpMRouteHeartBeatSourceAddr
cisco Ip M Route Heart Beat Source Addr
1.3.6.1.4.1.9.10.2.1.1.4.1.2
Source address of the last multicast heartbeat packet received.
Back to CISCO-IPMROUTE-MIB MIB page.
IPHost Network monitor allows you to monitor ciscoIpMRouteHeartBeatSourceAddr on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.