[c-nsp] Stopping VTP on a specific port

Justin Shore justin at justinshore.com
Wed Mar 11 12:25:48 EDT 2009


Skeeve Stevens wrote:
> We don't manage some of the end networks though... and while on the middle
> transiting networks I can set vtp transparent and put a password...
> 
> I would actually like to be using it.  But MetroE customers are becoming a
> problem.
> 
> I can't stop two end networks using our middle network as a middleman for
> VTP issues...
> 
> I would like to block any VTP traffic on a specific port.

Would a L2TP tunnel be appropriate here?  If the customers want to use 
VTP and you want to use VTP (why is anyone's guess!) but not mix them 
then the only way I know of doing this would be a L2TP tunnel so that 
you ignore their VTP messages and tunnel them to the far side.

http://www.cisco.com/warp/public/cc/pd/si/casi/ca6000/prodlit/65met_wp.htm#wp40056

Justin



More information about the cisco-nsp mailing list