With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cswmFlowResultDFIndex
cswm Flow Result DF Index
1.3.6.1.4.1.9.9.504.1.7.5.1.1
A positive integer which uniquely identifies a list of DF interfaces for a particular flow matching a particular query.
Back to CISCO-SWITCH-MULTICAST-MIB MIB page.
IPHost Network monitor allows you to monitor cswmFlowResultDFIndex on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.