B-46
Catalyst 3550 Multilayer Switch Command Reference
OL-8566-02
Appendix B Catalyst 3550 Switch Debug Commands
debug sw-vlan
debug sw-vlan
Use the debug sw-vlan privileged EXEC command to enable debugging of VLAN manager activities.
Use the no form of this command to disable debugging.
debug sw-vlan {badpmcookies | cfg-vlan {bootup | cli} | events | ifs | management | notification
| packets | registries | vtp}
no debug sw-vlan {badpmcookies | cfg-vlan {bootup | cli}| events | ifs | management |
notification | packets | registries | vtp}
Syntax Description
Defaults Debugging is disabled.
Command Modes Privileged EXEC
Command History
Usage Guidelines The undebug sw-vlan command is the same as the no debug sw-vlan command.
badpmcookies Display debug messages for VLAN manager incidents of bad port manager
cookies.
cfg-vlan {bootup | cli} Display config-vlan debug messages. The keywords have these meanings:
• bootup—Display messages when the switch is booting up.
• cli—Display messages generated when the command-line interface
(CLI) is in config-vlan mode.
events Display VLAN manager event debug messages.
ifs Display VLAN manager Cisco IOS file system (IFS) error test debug
messages.
management Display VLAN manager management of internal VLAN debug messages.
notification Display VLAN manager notification debug messages.
packets Display packet handling and encapsulation process debug messages.
registries Display VLAN manager registry debug messages.
vtp Display the VLAN Trunking Protocol (VTP) debug messages.
Release Modification
12.1(4)EA1 This command was introduced.
12.1(9)EA1 The cfg-vlan keyword was added.
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