With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ccsSNRRequestStartTime
Cisco Cable Spectrum SNR Request Start Time
1.3.6.1.4.1.9.9.114.1.2.3.1.6
The value of sysUpTime when the CNR measurement operation starts.
Back to CISCO-CABLE-SPECTRUM-MIB MIB page.
IPHost Network monitor allows you to monitor ccsSNRRequestStartTime on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.