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Chapter 9
Configuring VTP
Default VTP Configuration
Table 9-1
Table 9-1
Feature
VTP domain name
VTP mode
VTP version 2 enable state
VTP password
VTP pruning
VTP Configuration Guidelines
Follow these guidelines when implementing VTP in your network:
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Caution
If you configure VTP in secure mode, the management domain will not function properly if you do not
assign a management domain password to each switch in the domain.
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Configuring VTP
These sections describe how to configure VTP:
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78-12647-02
shows the default VTP configuration.
VTP Default Configuration
All switches in a VTP domain must run the same VTP version.
You must configure a password on each switch in the management domain when in secure mode.
A VTP version 2-capable switch can operate in the same VTP domain as a switch running VTP
version 1 provided VTP version 2 is disabled on the VTP version 2-capable switch (VTP version 2
is disabled by default).
Do not enable VTP version 2 on a switch unless all of the switches in the same VTP domain are
version 2 capable. When you enable VTP version 2 on a switch, all of the version 2-capable
switches in the domain enable VTP version 2.
Enabling or disabling VTP pruning on a VTP server enables or disables VTP pruning for the entire
management domain.
Making VLANs pruning eligible or pruning ineligible on a switch affects pruning eligibility for
those VLANs on that device only (not on all switches in the VTP domain).
Configuring a VTP Server, page 9-6
Configuring a VTP Client, page 9-6
Disabling VTP (VTP Transparent Mode), page 9-7
Enabling VTP Version 2, page 9-7
Disabling VTP Version 2, page 9-8
Configuring VTP Pruning, page 9-9
Software Configuration Guide—Catalyst 4000 Family, Catalyst 2948G, Catalyst 2980G, Releases 6.3 and 6.4
Default Value
Null
Server
Version 2 is disabled
None
Disabled
Default VTP Configuration
9-5
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Troubleshooting
