With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
docsDevFilterLLCIndex
DOCSIS Device Filter LLC Index
1.3.6.1.2.1.69.1.6.2.1.1
Index used for the identification of filters (note that LLC filter order is irrelevant).
Back to DOCS-CABLE-DEVICE-MIB MIB page.
IPHost Network monitor allows you to monitor docsDevFilterLLCIndex 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.