GBIC_SECURITY_CRYPT-4-VN_DATA_CRC_ERROR: GBIC in port 65538 has bad crc CCIE Routing & Switching GBIC_SECURITY_CRYPT-4-VN_DATA_CRC_ERROR: GBIC in port 65538 has bad crc Muhammad Shaukat November 11, 2012 How to configure 3rd Party SFP modules in Cisco Devices? Problem: I am using a third party... Read More Read more about GBIC_SECURITY_CRYPT-4-VN_DATA_CRC_ERROR: GBIC in port 65538 has bad crc