Does a VTP advertisement have a layer 3 address?  I thought these were only 
heard within a broadcast domain.  How does the router know who to pass these 
to on the other side?


>From: "Priscilla Oppenheimer" 
>Reply-To: "Priscilla Oppenheimer" 
>To: [EMAIL PROTECTED]
>Subject: Re: does vtp can span the router [7:18545]
>Date: Wed, 5 Sep 2001 13:51:37 -0400
>
>A VTP transparent device does not advertise its VLAN configuration and does
>not synchronize its VLAN configuration based on received advertisements.
>However, VTP-transparent devices do forward received VTP advertisements to
>other devices.
>
>I can imagine a situation where a router with VLANs implemented is sitting
>in the middle of a Layer 2 topology and you want the router to be in VTP
>transparent mode so that it passes VTP advertisements onto switches on the
>other side of it. It doesn't seem like a very good design, but it could
>happen.
>
>Priscilla
>
>At 10:19 AM 9/5/01, Guest wrote:
> >I believe it means that the router will not listen to the vtp messages.  
>It
> >will also not pass them along- it is strictly layer 2.
> >pass them along,you mean just transfer it ,right?but i don't know where 
>it
> >go,see my
> >last message,i dont
> >know which vlan can carry vtp,or like cdp-a purely layer 2 protocol,
> >does vtp indepent of vlan,it runs on native vlan??
> >i dont find ways to prove it.
> >anyway ,thanks a lot
>________________________
>
>Priscilla Oppenheimer
>http://www.priscilla.com
_________________________________________________________________
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