Re: Does Disabling DTP means adding nonegotiate too?

"nonegotiate command stops the sending of DTP messages" covers my question.

Thanks!

On Wed, Aug 25, 2010 at 9:37 PM, Anthony Sequeira <asequeira_at_ine.com> wrote:

> In order to disable DTP on a trunk link- you need the following
> configuration for the 3560:
>
> switchport trunk encapsulation dot1q
> switchport mode trunk
> switchport nonegotiate
>
> The switchport mode trunk command sets the DTP mode to ON, and the
> nonegotiate command stops the sending of DTP messages.
>
> If you were to just perform switchport mode trunk (after setting the
> encapsulation), you are set to unconditionally trunk on this end, but you
> are also sending DTP frames in an attempt to get the other side of the link
> to trunk.
>
> Proper confirmation is done with the show interface switchport command.
>
> -----Original Message-----
> From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of
> gokul krishna
> Sent: Wednesday, August 25, 2010 7:32 PM
> To: ccielab_at_groupstudy.com
> Subject: Does Disabling DTP means adding nonegotiate too?
>
> When We are asked to disable dynamic desirable mode on trunks:
>
> Intial status:
> This is under dynamic desirable mode
> Fa0/13 desirable 802.1q trunking 146
>
> I configured this:
> This is under mode trunk
> Fa0/13 on 802.1q trunking 146
> This is when we do mode trunk + no negotiate
> Fa0/13 on 802.1q trunking 146
> But do i need to do this? If so why? does disabling dynamic desirable means
> to disable negotiating too? can some one inter relate?
>
> Thanks in advance!
> Kris
>
>
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Received on Wed Aug 25 2010 - 23:39:39 ART