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Catalyst 4500 Series Switch, Cisco IOS Software Configuration Guide - Cisco IOS XE 3.9.xE and IOS 15.2(5)Ex
Chapter 17 Configuring VLANs, VTP, and VMPS
VLAN Trunking Protocol
This example shows an example of the VTP configuration parameters when the device is running VTP
version 3:
Switch# show vtp status
VTP Version capable : 1 to 3
VTP version running : 3
VTP Domain Name : Lab_Network
VTP Pruning Mode : Disabled
VTP Traps Generation : Disabled
Device ID : 0012.44dc.b800
Feature VLAN:
--------------
VTP Operating Mode : Server
Number of existing VLANs : 1005
Number of existing extended VLANs: 3074
Configuration Revision : 18
Primary ID : 0012.4371.9ec0
Primary Description :
Switch#
Starting a Takeover
This process applies to VTP version 3 only. To start a takeover, perform this task:
This example shows how to start a takeover and direct it to the vlan database:
Switch# vtp primary-server vlan
Enter VTP password:password
This system is becoming primary for feature vlan
VTP Feature Conf Revision Primary Server Device ID Description
----------- ------------- -------------- -------- -------------------
MST Yes 4 0012.4371.9ec0=0012.4371.9ec0 R1
Do you want to continue? (confirm)
Switch#
Command Purpose
Switch# vtp primary-server [vlan | mst]| [force]
Changes the operational state of a switch from a
secondary to a primary server and advertises the
configuration to the whole domain. (If the password for
this device is configured with the hidden keyword, the
user is prompted to re-enter it.)
Note Using the force keyword overwrites the
configuration of any conflicting servers. If not
using the force keyword, you are prompted for
confirmation before proceeding with the takeover.
Specify where to direct the takeover by selecting the
appropriate feature (vlan or mst). If no feature is
selected, the takeover is directed to the VLAN database.
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