With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cisMcastRouterVlanIndex
Cisco IGMP Snooping Mcast Router Vlan Index
1.3.6.1.4.1.9.9.263.1.6.1.1.1
This object indicates the VLAN to which the multicast router port belongs.
Back to CISCO-IGMP-SNOOPING-MIB MIB page.
IPHost Network monitor allows you to monitor cisMcastRouterVlanIndex on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco optical switches right now.
