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Chapter 14
Configuring VTP
Command
Step 3
end
Step 4
show vtp status
Step 5
copy running-config startup-config
To return the switch to VTP server mode, use the no vtp mode global configuration command.
If extended-range VLANs are configured on the switch, you cannot change the VTP mode to server. You
Note
receive an error message, and the configuration is not allowed.
Enabling VTP Version 2
VTP Version 2 is disabled by default on VTP Version 2-capable switches. When you enable VTP
Version 2 on a switch, every VTP Version 2-capable switch in the VTP domain enables Version 2. You
can only configure the version when the switches are in VTP server or transparent mode.
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.
Note
In TrCRF and TrBRF Token ring environments, you must enable VTP Version 2 for Token Ring VLAN
switching to function properly. For Token Ring and Token Ring-Net media, VTP Version 2 must be
disabled.
For more information on VTP version configuration guidelines, see the
page
Beginning in privileged EXEC mode, follow these steps to enable VTP Version 2:
Command
Step 1
configure terminal
Step 2
vtp version 2
Step 3
end
Step 4
show vtp status
To disable VTP Version 2, use the no vtp version global configuration command.
OL-23389-01
Purpose
Return to privileged EXEC mode.
Verify your entries in the VTP Operating Mode and the VTP Domain
Name fields of the display.
(Optional) Save the configuration in the startup configuration file.
Note
14-8.
Purpose
Enter global configuration mode.
Enable VTP Version 2 on the switch.
VTP Version 2 is disabled by default on VTP Version 2-capable switches.
Return to privileged EXEC mode.
In the VTP V2 Mode field of the display, verify that VTP Version 2 is enabled.
Only VTP mode and domain name are saved in the switch running
configuration and can be copied to the startup configuration file.
Catalyst 2928 Switch Software Configuration Guide
Configuring VTP
"VTP Version" section on
14-11
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Troubleshooting
