With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cfcpmtPortFramesTooLong
Cisco Fibre Channel PMT Port Frames Too Long
1.3.6.1.4.1.9.9.99997.1.2.1.1.13
The counter associated with the number of frames received at this port where the frame length was greater than what was agreed to in FLOGI/PLOGI aggregating the previous valid 15-minute measurement intervals.
Back to CISCO-FC-PM-MIB MIB page.
IPHost Network monitor allows you to monitor cfcpmtPortFramesTooLong 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.
