With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
fcmPortLinkFailures
fcm Port Link Failures
1.3.6.1.2.1.10.56.1.6.1.6
The number of link failures. This count is part of FC-PH's Link Error Status Block (LESB).
Back to FC-MGMT-MIB MIB page.
IPHost Network monitor allows you to monitor fcmPortLinkFailures 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.