With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
docsDevBaseIgmpGroup
DOCSIS Device Base Igmp Group
1.3.6.1.2.1.69.3.3.1
An object providing cable device IGMP status and control.
Back to DOCS-CABLE-DEVICE-MIB MIB page.
IPHost Network monitor allows you to monitor docsDevBaseIgmpGroup 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.