With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cFCCLastCongestionStartTime
Cisco Fibre Channel Congestion Control Last Congestion Start Time
1.3.6.1.4.1.9.9.365.1.2.1.1.7
The value of sysUpTime at the most recent time the congestion state (value of corresponding instance of 'cFCCCurrentCongestionState') of the Port changed from 'noCongestion' to some other value. 0 if the congestion state of the Port has never transitioned from 'noCongestion' to some other value since the last restart of the device.
Back to CISCO-FCC-MIB MIB page.
IPHost Network monitor allows you to monitor cFCCLastCongestionStartTime on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco optical switches right now.