After poking around a little bit it looks like the ethertype for vtp is 0x2003 (dst 0100.0ccc.cccc). I would configure the switches for transparent mode and a mac access list matching the above ethertype
mac access-list extended deny_vtp deny any host 0100.0ccc.cccc 0x2003 0x000 permit any any interface slot/port mac access-group deny_vtp in -Steve Di Bias On Tue, Mar 2, 2010 at 10:52 PM, Cristian Matei <[email protected]>wrote: > Hi Steve, > > It will disable switch generated VTP messages but NOT relaying of > received VTP messages. > > Regards, > Cristian. > > -----Original Message----- > From: [email protected] [mailto:[email protected]] On Behalf Of > Steve Di Bias > Sent: Wednesday, March 03, 2010 8:44 AM > To: Nahskur Udniraht > Cc: [email protected]; [email protected]; CC IE > Subject: Re: how to disable VTP propogation over trunk link > > Try running "vtp mode transparent" > That will disable VTP on the switch > > > http://www.cisco.com/en/US/docs/switches/lan/catalyst3550/software/release/1 > 2.1_19_ea1/configuration/guide/swvtp.html#wp1035326 > > -Steve Di Bias > > > On Tue, Mar 2, 2010 at 9:28 PM, Nahskur Udniraht < > [email protected]> wrote: > > > Dear All, > > > > can I use an access control mechanism to stop VTP messages over a trunk > > link > > ? is it possible to do so ? > > > > -- > > Nahskur Udniraht > > > > > > Blogs and organic groups at http://www.ccie.net > > > > _______________________________________________________________________ > > Subscription information may be found at: > > http://www.groupstudy.com/list/CCIELab.html > > > Blogs and organic groups at http://www.ccie.net > > _______________________________________________________________________ > Subscription information may be found at: > http://www.groupstudy.com/list/CCIELab.html > > > > > > > >
_______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com
