With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ccacDsConfigMajorThreshold
Cisco Cable Admission Control Ds Config Major Threshold
1.3.6.1.4.1.9.9.450.1.2.3.1.5
This object specifies the major threshold related to the utilization of downstream bandwidth. The major threshold must be greater than minor threshold.
Back to CISCO-CABLE-ADMISSION-CTRL-MIB MIB page.
IPHost Network monitor allows you to monitor ccacDsConfigMajorThreshold 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.