With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cisIgmpQuerierVersion
Cisco IGMP Snooping Igmp Querier Version
1.3.6.1.4.1.9.9.263.1.4.2.1.4
The object indicates the operational IGMP version of the Querier for the VLAN. IGMP version of the Querier is determined by the type of IGMP General Query received by the device.
Back to CISCO-IGMP-SNOOPING-MIB MIB page.
IPHost Network monitor allows you to monitor cisIgmpQuerierVersion on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco wireless switches right now.