With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cswmForwardingGroup
cswm Forwarding Group
1.3.6.1.4.1.9.9.504.2.2.9
A collection of objects providing multicast forwarding information and configuration.
Back to CISCO-SWITCH-MULTICAST-MIB MIB page.
IPHost Network monitor allows you to monitor cswmForwardingGroup on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco optical switches right now.