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RAS with Draytek Vigor 2820n - nightmare!

We have 2 or 3 external users who used to dial in to the SBS 2003 server via a Windows XP VPn connection. RAS is setup on the server and all worked perfectly. However we swapped the router from a netgear DG834G to a Draytek Vigor 2820n. Now the users can not connect. I understand this is because the Draytek has its own VPN dial in section, called "remote dial in user". When I add a user to this section the WIndows XP users can not connect to the router, not to the SBS 2003 RAS. I would like to bypass the router and continue to connect to the SBS 2003 RAS service. I have tried port forwarding the VPN ports 500, 1701 and 1723 to the SBS IP as I always did with the netgear router without sucess. Any ideas?
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jamescodefour
Asked:
jamescodefour
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1 Solution
 
plug1Commented:
YOu need to forward the ports as you have done but you also need to turn off the drayteks own VPN server. Expand VPN and Remote access and then click Remote access control, deselect the items you dont need and all will be well..

cheers

Brian
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jamescodefourAuthor Commented:
But we also use the router as a PPTP lan to lan vpn connection which is stable and works perfectly
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plug1Commented:
Well unfortunately you cant do both, you will need to configure the site to site link using IPSEC or L2TP and then leave the pptp free for the users to connect to the SBS box.  
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jamescodefourAuthor Commented:
I see. that should more complicated. However the reaoson for doing this is that the teleworkers seem to become disconnected from the draytek after maybe 30 mins - 1 hour. The router shows that they are still connected though and even stranger, when this disconnection occurs it kocks out the remote users internet connection too, for around 3 mins. They cant re-connect to the VPN for around a further 5 mins. They are using netgear routers, with the latest firmware and the draytek has the latest firmware too.
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plug1Commented:
They will be browsing through the draytek hence they lose thier internet connection, thier IP routes are reconfigured when they connect to point them through the VPN. With the disconnection there are time limits imposed on the draytek, are you sure they are not set for 30 minutes or something?

The easiest way forward is to reconfigure your site to site link as L2TP and then poin t the suers at the SBS box.
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jamescodefourAuthor Commented:
no, i've set thier timeouts to 0. When they loose thier internet connection their Netgear routers actually reconnect drop thier ADSL connection and then reconnect.
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plug1Commented:
Fair enough, as I say though the best way for you to do this is the L2TP method. its only slightly more complicated to set up but shouldnt take you too long.
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jamescodefourAuthor Commented:
I'll give it a go. thanks
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