With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cfcmPortTxOfflineSequences
Fibre Channel Management Port Tx Offline Sequences
1.3.6.1.4.1.9.10.999999.1.6.1.5
The number of Offline Primitive OLS transmitted by this port.
Back to CISCO-FC-MGMT-MIB MIB page.
IPHost Network monitor allows you to monitor cfcmPortTxOfflineSequences 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.