With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
docsDevFilterGroup
DOCSIS Device Filter Group
1.3.6.1.2.1.69.3.1.6
A collection of objects to specify filters at the link layer and IPv4 layer. This group has been deprecated and replaced by various groups from the DiffServ MIB.
Back to DOCS-CABLE-DEVICE-MIB MIB page.
IPHost Network monitor allows you to monitor docsDevFilterGroup on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.