VTP versions 1 and 2

Posted on 2005-03-22
Medium Priority
Last Modified: 2008-03-17
What are the differences between these two?
Question by:dissolved
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LVL 43

Accepted Solution

JFrederick29 earned 1200 total points
ID: 13600726
In a nutshell, not very much.  Biggest difference is that VTP v2 supports Token Ring VLAN's.  There are a couple transparent differences but the operation is the same.  VTP v3 is quite a bit different from v1 and v2.  Here is a good read on VTP and version 1 and 2.

LVL 50

Expert Comment

by:Don Johnston
ID: 13600971
Like JFrederick said, Token Ring is one difference.

Another is with VTP version 2, updates can transit a transparent switch with a different domain name. With version 1, the trasnparent switch has to have the same domain name.

If you interested in that feature...


Author Comment

ID: 13601267
Thanks guys. Didnt know V3 was  out? Whats the differences on those?
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LVL 43

Expert Comment

ID: 13602102
Take a look at this for VTP v3 info:

When enabled, VTP version 3 provides the following enhancements to previous VTP versions:

Support for extended VLANs.
Support for the creation and advertising of private VLANs.
Improved server authentication.
Protection from the "wrong" database accidentally being inserted into a VTP domain.
Interaction with VTP version 1 and VTP version 2.
Provides the ability to be configured on a per-port basis.
Provides the ability to propagate the VLAN database and other databases.


LVL 50

Assisted Solution

by:Don Johnston
Don Johnston earned 800 total points
ID: 13602654
Also, VTP version 3 is only available with Cat O/S version 8.1 or later.



Author Comment

ID: 13608101
thx guys

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