With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
dsx3bertErrorInjectCount
dsx3bert Error Inject Count
1.3.6.1.4.1.351.110.6.2.19
This shows the number of times error was injected.
Back to CISCO-MGX82XX-DSX3-BERT-MIB MIB page.
IPHost Network monitor allows you to monitor dsx3bertErrorInjectCount 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.