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Catalyst 3750-X, 3750-E, 3560-X, and 3560-E Switch System Message Guide
OL-9772-05
Chapter 2 Message and Recovery Procedures
GBIC_SECURITY_CRYPT Messages
GBIC_SECURITY_CRYPT Messages
Note The Catalyst 3750-X, 3750-E, 3560-X, and 3560-E switches support SFP and 10-Gigabit Ethernet
modules but do not support GBIC modules. Although the error message text refers to GBIC interfaces
and modules, the messages from the switches actually refer to the SFP and 10-Gigabit Ethernet module
interfaces and modules.
Error Message GBIC_SECURITY_CRYPT-4-ID_MISMATCH: Identification check failed for
GBIC in port [chars]
Explanation The SFP module was identified as a Cisco SFP module, but the system could not verify
its identity. [chars] is the port.
Recommended Action Ensure that the Cisco IOS software running on the switch supports the SFP
module. You might need to upgrade your software. Otherwise, verify that the SFP module was
obtained from Cisco or from a supported vendor.
Error Message GBIC_SECURITY_CRYPT-4-UNRECOGNIZED_VENDOR: GBIC in port [chars]
manufactured by an unrecognized vendor
Explanation The SFP module was identified as a Cisco SFP module, but the switch could not match
its manufacturer with one on the known list of Cisco SFP module vendors. [chars] is the port.
Recommended Action Ensure that the Cisco IOS software running on the switch supports the SFP
module. You might need to upgrade your software.
Error Message GBIC_SECURITY_CRYPT-4-VN_DATA_CRC_ERROR: GBIC in port [chars] has bad
crc
Explanation The SFP module was identified as a Cisco SFP module, but it does not have a valid
cyclic redundancy check (CRC) in the EEPROM data. [chars] is the port.
Recommended Action Ensure that the Cisco IOS software running on the switch supports the SFP
module. You might need to upgrade your software. Even if the SFP module is unrecognized by the
switch, the SFP module might still operate properly but have limited functionality.
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