Re: VTP / DTP

From: Darby Weaver (ccie.weaver@gmail.com)
Date: Sun Oct 05 2008 - 22:48:53 ART


Remember also:

To use switchport nonegotiate you must first configure the switch for either
access or trunk, else you will receive an error. which itself would queue
you to conifgure the appropriate option.

On Sun, Oct 5, 2008 at 6:20 PM, Bogdan Sass <bogdan.sass@catc.ro> wrote:

> nouman abbasi wrote:
>
>> Hi,
>> To block VTP Traffic on a switch is "VTP mode transparent" but how
>> could
>> I block DTP traffic on all ports of a single switch.
>>
>>
> Router(config-if)# switchport nonegotiate
>
>> If I block DTP traffic then ports fa 0/10 and fa 0/11 are trunk-ports to
>> other switch, Will this be affected.
>>
>>
> Not as long as the "switchport mode trunk" and "switchport trunk
> encapsulation" are configured manually on both sides.
>
> After enabling DTP traffic on all ports of SW1 ; assume SW1 fa0/20 is
>> connected to R1 fa 0/0 ;
>> if I dont need to get any routes updates on R1 fa0/0 do I need to add
>> passive
>> interface statement or no???
>>
>>
> I do not see the connection between DTP (layer 2 negotiation) and routing
> updates (layer 3). The DTP configuration is independent from the routing
> protocol configuration.
>
> --
> Bogdan Sass
> CCAI,CCSP,JNCIA-ER,CCIE #22221 (RS)
> Information Systems Security Professional
> "Curiosity was framed - ignorance killed the cat"
>
>
>
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