Cisco Support Community
Showing results for 
Search instead for 
Did you mean: 

Welcome to Cisco Support Community. We would love to have your feedback.

For an introduction to the new site, click here. And see here for current known issues.

New Member

How can I configure Private VLANs without affecting VTP?


I have two Catalyst 6509 (Catalyst 1 and Catalyst 2) connected by the GigaBit port (CatOS 6.1). One of them is configured with 'server' VTP mode and the other is configured with 'client' VTP mode. I want to configure private VLANs to isolate several housing servers which are all in the same VLAN (some of these serves are connected to Catalyst 1 and others to Catalyst 2, so VTP is necessary to work properly)

But in the Cisco Web says: "To configure private VLANs, the switch must be in VTP transparent mode".

So, my question is: Is there any possibility of changing the configuration of the VTP protocol, in order to use Private VLAN, and at the same time configure ports of the same VLAN in both Catalyst?.

If this option is not possible, what other options do you recommend to isolate the housing servers?.

Which is the best option to isolate the servers?. Is Private VLAN the right option?.

Thank you very much.


Re: How can I configure Private VLANs without affecting VTP?

Since there has been no response to your post, it appears to be either too complex or too rare an issue for other forum members to assist you. If you don't get a suitable response to your post, you may wish to review our resources at the online Technical Assistance Center ( or speak with a TAC engineer. You can open a TAC case online at

If anyone else in the forum has some advice, please reply to this thread.

Thank you for posting.

CreatePlease login to create content