Specifications

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Catalyst 4500 Se ries S wit ch C is co IO S C om mand R efer ence —Re lease I OS XE 3 .3.0 XO(1 5.1 (1)XO)

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Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches

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 outp ut, use the no form of this command.

debug sw-vlan vtp {events | packet s | pr un ing [ packets | xmit] | xmit}

no debug sw-vlan vtp {events | packets | pruning [packets | xmit] | xmit}

Syntax Description

Defaults This command has no default settings.

Command Modes Privileged EXEC mode

Usage Guidelines If you do not enter any more parameters aft er entering pruning, the VTP pruning debugging mess ages

are displayed.

Examples This example shows how to debug the software VLAN outgoi ng VTP packets:

Switch# debug sw-vlan vtp xmit

vtp xmit debugging is on

Switch#

Related Commands

events Displays the general-purp ose logic flow and detailed VTP debugging messages

generated by the VTP_LOG_RUN TIME macro in the VTP code.

packets Displays the contents of all incoming VTP packets that have been passed into the VTP

code from the Cisco IOS VTP platfo rm-dependent layer, except for pruning packet s.

pruning Enables the debugging message to be gener ated by the pruning segme nt of the VTP

protocol code.

packets (Optional) Displays the contents of all incoming VTP pruning packets that have been

passed into the VTP code from the Cisc o IOS VTP platform-depe ndent layer.

xmit (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.

xmit Displays the contents of all outgoing VTP packets that the VTP code will request that

the Cisco IOS VTP p latform- dependent l ayer to send; do es not in clude prun ing packe ts.

Command Description

undebug sw-vlan vtp (same as no debug

sw-vlan vtp)

Disables debugging output.