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Catalyst 2950 Desktop Switch Software Configuration Guide
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Chapter8 Configuring VLANs
Using VTP
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.
Caution VTP version 1 and VTP version 2 are not interoperable on switches in the same VTP domain. Every
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 a Token Ring environment, you must enable VTP version 2 for Token Ring VLAN switching to
function properly.
For more information on VTP version configuration guidelines, see the “VTP Version” section on
page 8-11.
Beginning in privileged EXEC mode, follow these steps to enable VTP version 2:
Disabling VTP Version 2
Beginning in privileged EXEC mode, follow these steps to disable VTP version 2:
Command Purpose
Step 1
vlan database Enter VLAN configuration mode.
Step 2
vtp v2-mode EnableVTPversion2ontheswitch.
VTP version 2 is disabled by default on VTP version 2-capable switches.
Step 3
exit Update the VLAN database, propagate it throughout the administrative domain,
andreturntoprivilegedEXECmode.
Step 4
show vtp status Verify that VTP version 2 is enabled.
In the display, check the VTP V2 Mode field.
Command Purpose
Step 1
vlan database Enter VLAN configuration mode.
Step 2
no vtp v2-mode Disable VTP version 2.
Step 3
exit Update the VLAN database, propagate it throughout the administrative domain,
andreturntoprivilegedEXECmode.
Step 4
show vtp status Verify that VTP version 2 is disabled.
In the display, check the VTP V2 Mode field.
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