With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ccsCmFlapLastFlapTime
Cisco Cable Spectrum Cable Modem Flap Last Flap Time
1.3.6.1.4.1.9.9.114.1.1.11.1.4
The flap time is set whenever the Cable Modem triggers a flap detector.
Back to CISCO-CABLE-SPECTRUM-MIB MIB page.
IPHost Network monitor allows you to monitor ccsCmFlapLastFlapTime 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.