•
VTP can be set to either server or client mode only when dynamic VLAN creation is disabled.
•
The vtp mode off command sets the device to off. The no vtp mode off command resets the device to
the VTP server mode.
Follow these guidelines when setting a VTP password:
•
Passwords are case sensitive. Passwords should match on all devices in the same domain.
•
When you use the no vtp password form of the command, the device returns to the no-password state.
•
The hidden and secret keywords are supported only in VTP Version 3. If you convert from VTP Version
2 to VTP Version 3, you must remove the hidden or secret keyword before the conversion.
Follow these guidelines when setting VTP pruning:
•
VTP pruning removes information about each pruning-eligible VLAN from VTP updates if there are
no stations belonging to that VLAN.
•
If you enable pruning on the VTP server, it is enabled for the entire management domain for VLAN IDs
1 to 1005.
•
Only VLANs in the pruning-eligible list can be pruned.
•
Pruning is supported with VTP Version 1 and Version 2.
Follow these guidelines when setting the VTP version:
•
Toggling the Version 2 (v2) mode state modifies parameters of certain default VLANs.
•
Each VTP device automatically detects the capabilities of all the other VTP devices. To use Version 2,
all VTP devices in the network must support Version 2; otherwise, you must configure them to operate
in VTP Version 1 mode.
•
If all devices in a domain are VTP Version 2-capable, you only need to configure Version 2 on one
device; the version number is then propagated to the other Version-2 capable devices in the VTP domain.
•
If you are using VTP in a Token Ring environment, VTP Version 2 must be enabled.
•
If you are configuring a Token Ring bridge relay function (TrBRF) or Token Ring concentrator relay
function (TrCRF) VLAN media type, you must use Version 2.
•
If you are configuring a Token Ring or Token Ring-NET VLAN media type, you must use Version 1.
•
In VTP Version 3, all database VTP information is propagated across the VTP domain, not only VLAN
database information.
•
Two VTP Version 3 regions can only communicate over a VTP Version 1 or VTP Version 2 region in
transparent mode.
You cannot save password, pruning, and version configurations in the device configuration file.
Examples
This example shows how to rename the filename for VTP configuration storage to vtpfilename:
Device(config)# vtp file vtpfilename
Command Reference, Cisco IOS XE Everest 16.5.1a (Catalyst 3650 Switches)
1069
vtp (global configuration)
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