With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
docsIfCmGroup
DOCSIS If Cm Group
1.3.6.1.4.1.2011.2.25.127.3.2.2
Group of objects implemented in cable modems.
Back to DOCS-IF-MIB MIB page.
IPHost Network monitor allows you to monitor docsIfCmGroup on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco mobile switches right now.
