Cisco WS-C3560E-48PD-SF Command Reference - Page 850
debug sw-vlan vtp
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debug sw-vlan vtp Appendix B Catalyst 3560 Switch Debug Commands debug sw-vlan vtp Use the debug sw-vlan vtp privileged EXEC command to enable debugging of the VLAN Trunking Protocol (VTP) code. Use the no form of this command to disable debugging. debug sw-vlan vtp {events | packets | pruning [packets | xmit] | redundancy | xmit} no debug sw-vlan vtp {events | packets | pruning | redundancy | xmit} Syntax Description events packets pruning [packets | xmit] redundancy xmit Display debug messages for general-purpose logic flow and detailed VTP messages generated by the VTP_LOG_RUNTIME macro in the VTP code. Display debug messages for the contents of all incoming VTP packets that have been passed into the VTP code from the IOS VTP platform-dependent layer, except for pruning packets. Display debug messages generated by the pruning segment of the VTP code. The keywords have these meanings: • packets-(Optional) Display debug messages for the contents of all incoming VTP pruning packets that have been passed into the VTP code from the IOS VTP platform-dependent layer. • xmit-(Optional) Display debug messages for the contents of all outgoing VTP packets that the VTP code requests the IOS VTP platform-dependent layer to send. Display debug messages for VTP redundancy. Display debug messages for the contents of all outgoing VTP packets that the VTP code requests the IOS VTP platform-dependent layer to send, except for pruning packets. Defaults Debugging is disabled. Command Modes Privileged EXEC Command History Release 12.1(19)EA1 Modification This command was introduced. Usage Guidelines The undebug sw-vlan vtp command is the same as the no debug sw-vlan vtp command. If no further parameters are entered after the pruning keyword, VTP pruning debugging messages appear. They are generated by the VTP_PRUNING_LOG_NOTICE, VTP_PRUNING_LOG_INFO, VTP_PRUNING_LOG_DEBUG, VTP_PRUNING_LOG_ALERT, and VTP_PRUNING_LOG_WARNING macros in the VTP pruning code. B-90 Catalyst 3560 Switch Command Reference 78-16405-05