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Catalyst 3750, 3560, 3550, 2975, 2970, and 2960 Switch System Message Guide
OL-8551-04
Chapter 3 Message and Recovery Procedures
GBIC Messages
Error Message GBIC-4-NOREAD_VSDATA: Unable to read vendor-specific data for GBIC
interface [chars].
Note This message applies only to Catalyst 3550 switches.
Explanation The GBIC module was identified as a Cisco GBIC module, but the system was unable
to read the identifying vendor-specific information to verify its authenticity. [chars] is the interface
in which the module is installed.
Recommended Action Remove and re-insert the GBIC module. If it continues to fail after re-insertion,
it might be defective.
Error Message GBIC-4-NOREAD_VSERNUM: Unable to read serial number for GBIC interface
[chars].
Note This message applies only to Catalyst 3550 switches.
Explanation The GBIC module was identified as a Cisco GBIC module, but the system was unable
to read the serial number of the GBIC module. [chars] is the interface in which the module is
installed.
Recommended Action Remove and re-insert the GBIC module. If it continues to fail after re-insertion,
it might be defective.
Error Message GBIC-4-UNRECOGNIZED_EXTTYPE: GBIC interface [chars] has unrecognized
extended type.
Note This message applies only to Catalyst 3550 switches.
Explanation The GBIC module was identified as a Cisco GBIC module, but the system does not
recognize its reported extended type code. [chars] is the int erface in which the module is installed.
Recommended Action Check the list of supported GBIC modules for this version of the system
software. An upgrade might be required for newer GBIC modules. Even if the module is
unrecognized, it might still operate properly, but perhaps with limited functionality.
Error Message GBIC-4-XCVR_INTERR: Internal error occurred in setup for GBIC
interface [chars].
Note This message applies only to Catalyst 3550 switches.
Explanation The system could not allocate resources or had some other problem during the setup for
the specified GBIC interface. [chars] is the interface in which the GBIC module is installed.
Recommended Action Reload the switch by using the reload privileged EXEC command. If the
problem persists, call your Cisco technical support representative.