With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
dsx3bertStartTime
dsx3bert Start Time
1.3.6.1.4.1.351.110.6.2.12
This object contains the time at which BERT started. The syntax is hh:mm:ss. The time zone is as configured in the shelf. This object contains zero length string for following values of dsx3bertControl: noAction (0), acquireBert (1), releaseBert (2), cnfBert (3).
Back to CISCO-MGX82XX-DSX3-BERT-MIB MIB page.
IPHost Network monitor allows you to monitor dsx3bertStartTime on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco optical switches right now.