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15-6
Catalyst 2950 Desktop Switch Software Configuration Guide
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Chapter 15 Configuring VTP
Configuring VTP
VTP pruning is not designed to function in VTP transparent mode. If one or more switches in the
network are in VTP transparent mode, you should do one of these:
• Turn off VTP pruning in the entire network.
• Turn off VTP pruning by making all VLANs on the trunk of the switch upstream to the VTP
transparent switch pruning ineligible.
To configure VTP pruning on an interface, use the switchport trunk pruning vlan interface
configuration command (see the “Changing the Pruning-Eligible List” section on page 14-20). VTP
pruning operates when an interface is trunking. You can set VLAN pruning-eligibility, whether or not
VTP pruning is enabled for the VTP domain, whether or not any given VLAN exists, and whether or not
the interface is currently trunking.
Configuring VTP
This section includes guidelines and procedures for configuring VTP. These sections are included:
• Default VTP Configuration, page 15-6
• VTP Configuration Options, page 15-7
• VTP Configuration Guidelines, page 15-8
• Configuring a VTP Server, page 15-9
• Configuring a VTP Client, page 15-11
• Disabling VTP (VTP Transparent Mode), page 15-12
• Enabling VTP Version 2, page 15-13
• Enabling VTP Pruning, page 15-14
• Adding a VTP Client Switch to a VTP Domain, page 15-15
Default VTP Configuration
Table 15-2 shows the default VTP configuration.
Table 15-2 Default VTP Configuration
Feature Default Setting
VTP domain name Null.
VTP mode Server.
VTP version 2 enable state Version 2 is disabled.
VTP password None.
VTP pruning Disabled.