With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
rprClientDayOutMcastClassBCirFrames
rpr Client Day Out Mcast Class B Cir Frames
1.0.8802.17.1.1.1.4.3.1.28
The number of client to MAC classB CIR multicast and broadcast frames.
Back to IEEE-802DOT17-RPR-MIB MIB page.
IPHost Network monitor allows you to monitor rprClientDayOutMcastClassBCirFrames 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.