With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cfcpmtPortInvalidTxWords
Cisco Fibre Channel PMT Port Invalid Tx Words
1.3.6.1.4.1.9.9.99997.1.2.1.1.10
The counter associated with the number of invalid transmission words received at this port aggregating the previous valid 15-minute measurement intervals.
Back to CISCO-FC-PM-MIB MIB page.
IPHost Network monitor allows you to monitor cfcpmtPortInvalidTxWords 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.