With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
fcIf8b10bDisparityErrors
Cisco Fibre Element If8b10b Disparity Errors
1.3.6.1.4.1.9.9.289.1.2.1.1.25
The number of 8b10b disparity errors.
Back to CISCO-FC-FE-MIB MIB page.
IPHost Network monitor allows you to monitor fcIf8b10bDisparityErrors on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco mobile switches right now.