With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
docsIfCmtsServiceAdminStatus
DOCSIS If Cmts Service Admin Status
1.3.6.1.4.1.2011.2.25.127.1.3.4.1.3
Allows a service class for a particular modem to be suppressed, (re-)enabled, or deleted altogether.
Back to DOCS-IF-MIB MIB page.
IPHost Network monitor allows you to monitor docsIfCmtsServiceAdminStatus 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.