Cisco Catalyst 4500 Series Configuration Manual page 226

debug sw-vlan vtp
debug sw-vlan vtp
To enable the debugging of messages to be generated by the VTP protocol code, use the debug sw-vlan
vtp command. To disable the debugging output, use the no form of this command.
Syntax Description
events
packets
pruning
packets
xmit
xmit
Command Default
This command has no default settings.
Command Modes Privileged EXEC mode
Command History Release
12.1(8a)EW
Usage Guidelines If you do not enter any more parameters after entering pruning, the VTP pruning debugging messages
are displayed.
Examples The following example shows how to debug the software VLAN outgoing VTP packets:
Switch# debug sw-vlan vtp xmit
vtp xmit debugging is on
Switch#
Related Commands Command
undebug sw-vlan vtp (same as no debug
sw-vlan vtp)
Catalyst 4500 Series Switch Cisco IOS Command Reference—Release XE 3.9.xE and 15.2(5)Ex
2-188
debug sw-vlan vtp {events | packets | pruning [packets | xmit] | xmit}
no debug sw-vlan vtp {events | packets | pruning [packets | xmit] | xmit}
Displays the general-purpose logic flow and detailed VTP debugging messages
generated by the VTP_LOG_RUNTIME macro in the VTP code.
Displays the contents of all incoming VTP packets that have been passed into the VTP
code from the Cisco IOS VTP platform-dependent layer, except for pruning packets.
Enables the debugging message to be generated by the pruning segment of the VTP
protocol code.
(Optional) Displays the contents of all incoming VTP pruning packets that have been
passed into the VTP code from the Cisco IOS VTP platform-dependent layer.
(Optional) Displays the contents of all outgoing VTP packets that the VTP code will
request that the Cisco IOS VTP platform-dependent layer to send.
Displays the contents of all outgoing VTP packets that the VTP code will request that
the Cisco IOS VTP platform-dependent layer to send; does not include pruning packets.
Modification
This command was introduced on the Catalyst 4500 series switch.
Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
Description
Disables debugging output.
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