10-29
Catalyst 6500 Series Switch Software Configuration Guide—Release 8.7
OL-8978-04
Chapter 10 Configuring VTP
Configuring VTP Version 3
Use the set port vtp mod/port {enable | disable} command to enable or disable all VTP interaction on
a per-port basis. This capability might be used on trunks leading to nontrusted hosts. When a port is
disabled, no VTP packets are sent on the port, and any VTP packets that are received on the port are
dropped. By default, VTP is enabled and advertisements are received and sent on all trunks.
To disable VTP on a per-port basis, perform this task in privileged mode:
This example shows how to disable VTP on a per-port basis and verify the configuration:
Console> (enable) set port vtp 3/1-2 disable
VTP is disabled on ports 3/1-2.
Console> (enable) show port vtp 3
Port VTP Status
-------- ----------
3/1 disabled
3/2 disabled
3/3 enabled
3/4 enabled
Console> (enable)
VTP Version 3 show Commands
Use the show vtp {conflicts | devices | domain | statistics} command to show other devices in the
domain or devices in the domain with conflicting (conflicts) configurations. Use the domain keyword
to display information that is specific to the VTP domain. Use the statistics keyword to display VTP
statistics. Switches in transparent or off mode are not part of the VTP domain and do not respond to
requests. In addition, the clients or servers that do not have a valid database do not respond to requests.
Task Command
Step 1
Disable VTP on a per-port basis. set port vtp mod/port {enable | disable}
Step 2
Verify the change. show port vtp
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