VTP Domain Command on CISCO Router/Switch

Command

VTP Domain

Use

This is the legacy command for setting up a VTP domain name and enabling VTP on a network. If you have full communication between your VTP network, you only need to use this command on the VTP server because other switches will automatically learn the VTP domain from received updates. Note: Switches will not change their domain automatically if they already are in a VTP domain.

Syntax

Switch(vlan)#vtp domain <name>

Example

In the below example we will configure SW1 to be in the vtp domain howtonetwork.net.

Cat1#vlan database
% Warning: It is recommended to configure VLAN from config mode,
as VLAN database mode is being deprecated. Please consult user
documentation for configuring VTP/VLAN in config mode.

SW1(vlan)#vtp domain howtonetwork.net
SW1(vlan)#exit
APPLY completed.
Exiting….
Cat1#

Checking SW4, we can see it automatically joined howtonetwork.net.

SW4(config)#do show vtp status
VTP Version : 2
Configuration Revision : 17
Maximum VLANs supported locally : 1005
Number of existing VLANs : 6
VTP Operating Mode : Server
VTP Domain Name : howtonetwork.net
VTP Pruning Mode : Disabled
VTP V2 Mode : Disabled
VTP Traps Generation : Disabled
MD5 digest : 0xF5 0xC1 0x1A 0xEA 0x88 0xE6 0xE6 0xAF
Configuration last modified by 0.0.0.0 at 3-1-93 02:38:19
Local updater ID is 0.0.0.0 (no valid interface found)

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