just been thought this, thought I'd post it here in case i can save anyone from the teeth pulling I've been going thought.

basicly i could not get it to work with the BT VDSL modem. until.....



>thanks! Dave..
>it's the "display name" field, it needed to be blank!
>I might be a bit simple but i assumed it was just a display name and >"FFTC" seemed like a good idea.
>Now it's blank it works a treat.
>
>MTU setting work at max 1492
>and have IP address set to dynamic (it gets dynamically assigned my static one )
>
>thanks again.
>
>Pete


On 18/01/2011 17:01, David wrote:
> Hello Pete,
>
> The 2920 is known to work with BT's VDSL service using the supplied
> modem - if the router gets an IP address through that connection then
> it should definitely be working however you may need to specify the
> public IP address that your connection should normally receive.
>
> Also check on the WAN - General Setup page, try removing the Display
> name field as that is also a Service Name field which is used by PPPoE
> and could affect the connection.
> On the WAN - Internet Access - WAN1 page, try lowering the MTU setting
> as well, from its default of 1442 to 1390 to check whether that makes
> a difference as well.
>
> Regards,
> David
>
> http://www.support.draytek.co.uk
>
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> Tuesday, January 18, 2011, 2:54:21 PM, you wrote:
>
>> Query From : peter neal
>> Product : Other (F/W 3.3.6 S/N 103001679395)
>> Summary : config to work with VDSL modem
>> Details of Query
>>

---

>> Just move to BT's fibre broadband.
>> I have a vigor2920n with newest firmware.
>> i have tried to set it us with no joy .
>> I thought it was going to be as easy as plug bt's Vdsl modem's cable into
>> one of the WAN ports and configure it for PPPOE. Doing this i get a
>> connection but no internet traffic works. it seems to pick up a different
>> public ip address and gateway adders than the BT hub gets? although both
>> routers are set to dynamic. I do have a fixed IP from BT but assume that's
>> what i should dynamical get.
>> can a vigor 2920n be used with a BT VDSL modem?
>> Have you a guide to setting this up?
>> by current work around it to plug the BT hub into WAN1 on the vigor2920n
>> and DMZ everything from the BT hub to the vigor2920n. but i seems to get
>> very slow download speeds 13mbps with bt hub drops down to 1.5 thought
>> vigor. (oddly upload it still same 8mbps around ).
>> I need to loose ether the bt hud or reluctantly the vigor2920n
>> it's a same because I brought the vigor2920n in anticipation of using it
>> for this purpose.
>> Any ideas.
>
>> thanks
>
>> pete
>
>> Additional Information
>>

---

>> Support : OK
>> Status : Unallocated
>> Supplier : ?
>> Purchased : 1/6/2010
>> Line Type : Vdsl - BT's FTTC
>> O/S : Windows Vista
>> ISP : BT Business
>> Ref / Password : DQ503599 / 3BVX4
>> Query Submitted : 12:45 18/01/2011
>> Client IP : 81.149.209.46 / UK
>> Client Browser : Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US)
>> AppleWebKit/