With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
sonetPathIntervalCVs
sonet Path Interval C Vs
1.3.6.1.2.1.10.39.2.1.2.1.4
The counter associated with the number of Coding Violations encountered by a SONET/SDH Path in a particular 15-minute interval in the past 24 hours.
Back to SONET-MIB MIB page.
IPHost Network monitor allows you to monitor sonetPathIntervalCVs 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.