Re: DTP

yes I do. sounds right to me. Thanks!

Regards,
Tim
On Aug 30, 2012 12:05 PM, "Gilles Fabre" <fabre.gilles_at_voila.fr> wrote:

> well, actually I think I didn't use the right terms sorry
> DTP is more a send/receive than a request/reply protocol
>
> so I would say that
> configuring switchport mode access or switchport mode trunk stops the
> processing of received dtp frames
> configuring switchport nonegociate stops sending DTP frames
>
> do you agree ?
>
>
>
> > Message du 30/08/12 ` 16h55
> > De : "Tim Cribbs Jr."
> > A : "Gilles Fabre"
> > Copie ` : "Cisco certification"
> > Objet : Re: DTP
> >
> > From the reference, it says the "switchport nonegotiate" command will
> > not send DTP packets out the interface (vice stopping the reply).
> > Would it do both? Or would it reply to requests but just not send?
> >
> > "When you enter the switchport nonegotiate command, DTP negotiation
> > packets are not sent on the interface. The device does or does not
> > trunk according to the mode parameter: access or trunk."
> >
> >
>
http://www.cisco.com/en/US/docs/switches/lan/catalyst3560/software/release/12
.2_25_se/command/reference/cli3.html#wp1989134
> >
> > -Tim
> >
> > On Thu, Aug 30, 2012 at 9:55 AM, Gilles Fabre wrote:
> > > Good explanation, thanks for reminding
> > >
> > > In my opinion, it is important to remember is that "switchport
> nonegociate"
> > > command doesn't stop the local device using DTP, but instead it stops
> the
> > > reply to a DTP request (& so a remote device won't be able to
> negociate a
> > > trunk if the local device is set to "nonegociate")
> > >
> > > If you want your local interface not to negociate, just force to
> "switchport
> > > mode access" or "switchport mode trunk"
> > >
> > > Hope this helps
> > > Gilles.
> > >
> > >
> > >
> > >> Message du 30/08/12 C 10h11
> > >> De : "Anthony Sequeira"
> > >> A : "dmp7515" , ccielab_at_groupstudy.com
> > >> Copie C :
> > >> Objet : Re: DTP
> > >>
> > >> As I recall, according to Cisco, switchport nonegotiate is only
> > >> appropriate in two configurations:
> > >>
> > >> switchport mode access
> > >> and
> > >> switchport mode trunk
> > >>
> > >> So if you try and get crazy and apply it to each link in your example
> B -
> > >> you should get a big batch of nothing as a result :-).
> > >>
> > >> Here is the documentation quote and link "This command is valid only
> when
> > >> the interface switchport mode is access or trunk (configured by using
> the
> > >> switchport mode access or the switchport mode trunk interface
> > >> configuration command). This command returns an error if you attempt
> to
> > >> execute it in dynamic (auto or desirable) mode."
> > >>
> > >>
> http://www.cisco.com/en/US/docs/switches/lan/catalyst3560/software/release/
> > >> 12.2_25_se/command/reference/cli3.html#wp1989134
> > >>
> > >> Anthony Sequeira, CCIE, CCSI, VCP
> > >> http://www.stormwind.com
> > >> Twitter: @compsolv
> > >> Facebook: http://www.facebook.com/compsolv
> > >>
> > >>
> > >>
> > >> On 8/29/12 11:45 PM, "dmp7515" wrote:
> > >>
> > >> >Q. of the 4 scenarios, which configuration/s can you apply switchport
> > >> >nonegatiate to disable DTP based on the supplied switchport mode
> setting
> > >> >
> > >> >
> > >> >
> > >> >A. SW1/desirable -> Sw2/Auto
> > >> >
> > >> >B. SW1/Auto -> SW2/Trunk
> > >> >
> > >> >C. SW1/Trunk -> Sw2/Trunk
> > >> >
> > >> >d. SW1/Access -> SW2/Trunk
> > >> >
> > >> >
> > >> >
> > >> >
> > >> >
> > >> >In my efforts to not overlook the most obvious, which I did, I
> thought I
> > >> >would post this to the group J
> > >> >
> > >> >
> > >> >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
> > >>
> > >>
> > >>
> > >>
> > >>
> > >>
> > >>
> > >>
> > >
> > >
> > >
> > >
> > > Quand Jean-Luc Delarue parlait de son grand amourb& C lire surB
> Voila.fr
> > > ___________________________________________________________
> > > Quand Jean-Luc Delarue parlait de son grand amourb& C lire sur Voila.fr
> > >
>
http://people.voila.fr/people/actu-stars/personnalites/quand-jean-luc-delarue
> > > -parlait-d-anissa-kehl-son-grand-amour-people_8397.html
> > >
> > >
> > > 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
> >
> >
> >
> >
> >
> >
> >
> >
>
>
>
>
> ------------------------------
> Quand Jean-Luc Delarue parlait de son grand amour ` lire sur
Voila.fr<http://people.voila.fr/people/actu-stars/personnalites/quand-jean-lu
c-delarue-parlait-d-anissa-kehl-son-grand-amour-people_8397.html>

Blogs and organic groups at http://www.ccie.net
Received on Thu Aug 30 2012 - 13:30:55 ART