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Catalyst 3750, 3560, 3550, 2975, 2970, and 2960 Switch System Message Guide
OL-8551-04
Chapter 3 Message and Recovery Proced ures
SW_VLAN Messages
Error Message SW_VLAN-4-VTP_USER_NOTIFICATION: VTP protocol user notification:
[chars].
Explanation The VTP code encountered an unusual diagnostic situation . [chars] is a description of
the situation.
Recommended Action Find out more about the error by u sing the show tech-support privileged EXEC
command and by copying the error message exactly as it appears on the console or system log and
entering it in the Output Interpreter tool. Use the Bug Toolkit to look for similar reported problems. For
more information about these online tools and about contacting Cisco, see the “Error Message
Traceback Reports” section on page 2-7.
Error Message SW_VLAN-6-VTP_DOMAIN_NAME_CHG: VTP domain name changed to [chars].
Explanation The VLAN Trunking Protocol (VTP) domain name was changed throug h the
configuration to the name specified in the message. [chars] is the changed domain name.
Recommended Action No action is required.
Error Message SW_VLAN-6-OLD_CONFIG_FILE_READ: Old version [dec] VLAN configuration
file detected and read OK. Version [dec] files will be written in the future.
Explanation The VLAN software detected an old version of the VLAN configuration file format. It
interpreted the file without a problem, but it will create files using the new format in the future. The
first [dec] is the old version number, and the second [dec] is the new version number.
Recommended Action No action is required.
Error Message SW_VLAN-6-VLAN_DAT_CACHE_EXISTS: Unexpected vlan.dat cache exists.
Removing the cache and continuing the sync with new set.
Explanation This message rarely appears and does not affect switch functionality.
Recommended Action No action is required.
Error Message SW_VLAN-6-VTP_DOMAIN_NAME_CHG: VTP domain name changed to [chars].
Explanation The VLAN Trunking Protocol (VTP) domain name was changed throug h the
configuration to the name specified in the message. [chars] is the changed domain name.
Recommended Action No action is required.
Error Message SW_VLAN-6-VTP_MODE_CHANGE: VLAN manager changing device mode from
[chars] to [chars].
Explanation An automatic VTP mode device change occurred upon receipt of a VLAN configuration
database message containing more than a set number of VLANs. The first [chars] is the previous
mode, and the second [chars] is the current mode.
Recommended Action No action is required.