With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cswmFlowResultGroup
cswm Flow Result Group
1.3.6.1.4.1.9.9.504.1.7.3.1.4
The group address of the multicast layer 3 flow.
Back to CISCO-SWITCH-MULTICAST-MIB MIB page.
IPHost Network monitor allows you to monitor cswmFlowResultGroup 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.