With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
bsnAPIfDot11MulticastReceivedFrameCount
bsn AP If Dot11 Multicast Received Frame Count
1.3.6.1.4.1.14179.2.2.6.1.10
This counter shall increment when a MSDU is received with the multicast bit set in the destination MAC address.
Back to AIRESPACE-WIRELESS-MIB MIB page.
IPHost Network monitor allows you to monitor bsnAPIfDot11MulticastReceivedFrameCount on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.