VTP version 3 config - Cisco
Technology: Switching
Area: VLANs
Vendor: Cisco
Software: 12.X , 15.X, IP Base, IP Services, LAN Base
Platform: Catalyst 2960-X, Catalyst 3560

VTP (VLAN Trunking Protocol) is a Cisco proprietary protocol which allows to propagate VLAN database across Local Area Network (switching segment). VTP version 2 supports extended VLANs (2-4095), private vlans, hidden password protection

Switch(config)# vtp version 3 

To verify the VTP mode use:

switch# show vtp status
VTP Version : 3
Configuration Revision : 0
Maximum VLANs supported locally : 4096
VTP Operating Mode : Client
VTP Domain Name :
VTP Pruning Mode : Disabled
VTP V2 Mode : Disabled
VTP Traps Generation : Disabled
switch#