With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ccacDsMinorCrosses
Cisco Cable Admission Control Ds Minor Crosses
1.3.6.1.4.1.9.9.450.1.3.3.1.3
This object indicates the number of times the minor downstream bandwidth threshold, ccacDsConfigMinorThreshold, is crossed.
Back to CISCO-CABLE-ADMISSION-CTRL-MIB MIB page.
IPHost Network monitor allows you to monitor ccacDsMinorCrosses 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.