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Catalyst 6500 Series Switch Command Reference—Release8.1
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Chapter2 Catalyst 6500 Series Switch and ROM Monitor Commands set vtp
The following guidelines apply only to VTP version 3:
•VTP version 3 works concurrently with VTP versisons 1 and 2. VTP version 3 is implemented
independently because it only distributes a list of databases over an administra tive domain. VT P
version 3 does not directly handle VLANs.
•The unknown keyword allows you to configure the behavior of the switch databases that it cannot
interpret. (These databases will be features handled by future extensions of VTP version 3). If you
enter set vtp mode transparent unknown, packets for unknown features are flooded through the
switch. If you enter set vtp mode off unknown, packets are dropped.
Note In software release 8.1(1), the only supported database propagation is for the VLAN database.
•VTP version 3 is a local configuration for the switch. Pruning does not propagate throughout the
domain but only the local switch.
Examples This example shows how to set the VTP domain name:
Console> (enable) set vtp domain Lab_Network
VTP domain Lab_Network modified
Console> (enable)
This example shows how to set the VTP mode to server mode:
Console> (enable) set vtp mode server
Changing VTP mode for all features
VTP3 domain Lab_Network modified
Console> (enable)
This example shows what happens if you try to change VTP to server or client mode and dynamic VLAN
creation is enabled:
Console> (enable) set vtp mode server
Failed to Set VTP to Server. Please disable Dynamic VLAN Creation First.
Console> (enable)
This example shows how to set VTP to off mode:
Console> (enable) set vtp mode off
VTP domain modified
Console> (enable)
This example shows how to set the VTP password:
Console> (enable) set vtp passwd Sa7r12ah
Generating the secret associated to the password.
VTP domain pubs modified
Console> (enable)
This example shows how to set the VTP password and hide it in the configuration:
Console> (enable) set vtp passwd Sa7r12ah hidden
Generating the secret associated to the password.
The VTP password will not be shown in the configuration.
VTP domain pubs modified
Console> (enable)