With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
fcmPortInvalidCRCs
fcm Port Invalid CR Cs
1.3.6.1.2.1.10.56.1.6.1.11
The number of frames received with an invalid CRC. 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 fcmPortInvalidCRCs 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.