+ 0 Votes well........ CG IT 7 years ago VPN is a 2 stage process. Creating and maintaining the tunnel, then user authentication. So your ADSL routers need to allow or be capable of creating and maintaining VPN connections. Then configured to forward the traffic to the servers [or pass through the VPN traffic to a remote access server that will establish the tunnel and provide authentication. + 0 Votes good suggestion on the Sonic Walls CG IT 7 years ago you could also use a consumer level one that had VPN End Points. Linksys has one. The routers maintain the tunnel and clients just access the tunnel instead of having to establish one. for Microsoft go to http://support.microsoft.com and do a search for VPN on Windows 2003 server. Lots of how to articles.