RE: Weird VTP Questions

There will be no error. The switch with the higher revision number will
replace the VLAN database of the lower revision device.

NEVER DO THIS IN PRODUCTION :)

Regards,
 
Tyson Scott - CCIE #13513 R&S, Security, and SP
Managing Partner / Sr. Instructor - IPexpert, Inc.
Mailto: tscott_at_ipexpert.com

-----Original Message-----
From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of
Radioactive Frog
Sent: Monday, September 20, 2010 8:26 AM
To: Adam Booth
Cc: Pramod G; prabhu; ccielab_at_groupstudy.com
Subject: Re: Weird VTP Questions

raises hands!
Revision number and to avoid this, protect both VTP with password

On Mon, Sep 20, 2010 at 9:13 PM, Adam Booth <adam.booth_at_gmail.com> wrote:

> Hi,
>
> I am pretty sure that if both switch have the same VTP domain name and the
> same VTP config revision but have different VLANs - you will see errors
> with
> regards to MD5 checksums not matching and each switch will keep their own
> VLANs - as soon as you modify a VLAN on one of the VTP servers, it will
> have
> the highest config revision and will over right the VLANs on the lower
> config revision switch.
>
> Cheers,
>
> On Mon, Sep 20, 2010 at 7:47 PM, Pramod G <learn02earn_at_gmail.com> wrote:
>
> > Hi Krishna,
> >
> > Yes, higher Revision no# wins, what if both have same revision no#
> >
> > On Mon, Sep 20, 2010 at 1:50 PM, prabhu <kris.logg_at_gmail.com> wrote:
> >
> > > Hi,
> > >
> > > I think who has the latest "Configuration Revision Number" that
wins.
> > >
> > > But i don't think it will merge, one of the switch configuration
> should
> > > exist on both the switches.
> > >
> > > Say SW A has 10 Vlans and SW B has 20 Vlans and If SW B receives
> update
> > > with latest vesrion number you can see only 10 Vlans in SWB as it in
> SWA.
> > >
> > > Experts correct me If i am wrong.
> > >
> > > Thanks
> > > Krishna
> > >
> > > On Mon, Sep 20, 2010 at 1:22 PM, Pramod G <learn02earn_at_gmail.com>
> > wrote:
> > >
> > >> Hi All,
> > >>
> > >> I have a weird STP question.
> > >> There are two switches both in same VTP domain and same configuration
> > >> register value with different vlans on each switch(but not connected)
> > what
> > >> would happen if they both are connected. Does VTP just merge both the
> > >> vlans.
> > >>
> > >>
> > >>
> > >> Thanks
> > >>
> > >>
> > >> Blogs and organic groups at http://www.ccie.net
> > >>
> > >>
> _______________________________________________________________________
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> > >>
> > >>
> > >>
> > >>
> > >>
> > >>
> > >>
> > >>
> > >
> >
> >
> > --
> > Hi
> >
> >
> > Rgds,
> >
> > It does not mean a thing, if it can't make a ping!! :-)
> >
> >
> > 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
>
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Received on Mon Sep 20 2010 - 08:48:33 ART