With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
mcastRouterAdminStatus
mcast Router Admin Status
1.3.6.1.4.1.9.5.1.12.1.1.3
multicast router on this port is to be determined statically or dynamically. The value routerPresent(1) indicates that the presence of a router is statically configured to be present. The value dynamic(3) indicates the presence is to be learned dynamically.
Back to CISCO-STACK-MIB MIB page.
IPHost Network monitor allows you to monitor mcastRouterAdminStatus on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.