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Configuring VTP
VTP version 1 and VTP version 2 are not interoperable on switches in the same VTP domain. Every
Caution
switch in the VTP domain must use the same VTP version. Do not enable VTP version 2 unless every
switch in the VTP domain supports version 2.
To enable VTP version 2, perform this task in privileged mode:
Task
Step 1
Enable VTP version 2 on the switch.
Step 2
Verify that VTP version 2 is enabled.
This example shows how to enable VTP version 2 and verify the configuration:
Console> (enable) set vtp v2 enable
This command will enable the version 2 function in the entire management domain.
All devices in the management domain should be version2-capable before enabling.
Do you want to continue (y/n) [n]? y
VTP domain Lab_Net modified
Console> (enable) show vtp domain
Domain Name
-------------------------------- ------------ ----------- ----------- ----------
Lab_Net
Vlan-count Max-vlan-storage Config Revision Notifications
---------- ---------------- --------------- -------------
10
Last Updater
--------------- -------- -------- -------------------------
172.20.52.70
Console> (enable)
Disabling VTP Version 2
To disable VTP version 2, perform this task in privileged mode:
Task
Step 1
Disable VTP version 2.
Step 2
Verify that VTP version 2 is disabled.
This example shows how to disable VTP version 2:
Console> (enable) set vtp v2 disable
This command will disable the version 2 function in the entire management domain.
Warning: trbrf & trcrf vlans will not work properly in this mode.
Do you want to continue (y/n) [n]? y
VTP domain Lab_Net modified
Console> (enable)
Software Configuration Guide—Catalyst 4000 Family, Catalyst 2948G, Catalyst 2980G, Releases 6.3 and 6.4
9-8
Domain Index VTP Version Local Mode
1
1023
1
V2 Mode
Pruning
enabled
disabled 2-1000
Command
set vtp v2 enable
show vtp domain
2
enabled
PruneEligible on Vlans
Command
set vtp v2 disable
show vtp domain
Chapter 9
Configuring VTP
Password
server
-
78-12647-02
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