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Posted by moncho on March 11, 2006, 6:41 am
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Did you make sure that your router is allowing the proper protocols to pass
thru?
If it works on dial-up and not thru DSL, then it sounds like the router
config for your ADSL link is the problem.
You may also want to try and hook up your ADSL directly to your
laptop and use PPPOE software. This will let you know if your ADSL
ISP allows VPN protocols to go over their network.
moncho
> Hello,
> I've set up in the office a VPN-Server based on Windows Server 2003 and
> this server has only one network card configured for 10.0.x.x network with
> 255.255.0.0 subnet.
> The default gateway for this machine is a Cisco Firewall 10.0.0.101 that
> supply internet broadband connection.
> Internal DNS is 10.0.10.0
> VPN Server has a pool of static IP addresses for the clients: from
> 10.0.51.1 to 10.0.51.50
>
> From outside, there's a dedicated IP adress and all connection requests on
> dedicated PPTP & L2TP ports are routed by the firewall at VPN Server.
>
> So, if I try to make a VPN connection from a notebook with a dialup
> connection all works perfectly: i can see all the LAN in which VPN server
> is....but....If I try to connect from home i've no connection problem (i
> can see my connection on server logs) but i can see nothing on office LAN
>
> From home I've a ADSL connection and a D-Link DSL 504-Router with this
> configuration
>
> DHCP from 192.168.0.1 to 192.168.0.253
> Subnet 255.255.255.0
> Ethernet IP Address 192.168.0.254
> Proxy DNS enabled
> NAT enabled
>
> ---------------------------------------------------------
>
> This is the ipconfig /all result from home
>
>
> Configurazione IP di Windows
>
> Host Name . . . . . . . . . . . . . . : xxxxxxxxxx
> IP Routing enabled. . . . . . . . . : No
> Proxy WINS enabled . . . . . . . . : No
>
> Home LAN:
>
> Description . . . . . . . . . . . . . : SiS 900-Based PCI Fast
> EthernetAdapter
> DHCP enabled. . . . . . . . . . . . : No
> IP address. . . . . . . . . . . . . : 192.168.0.1
> Subnet mask . . . . . . . . . . . . . : 255.255.255.0
> Gateway............ . . . . . . . . . : 192.168.0.254
> DNS Server . . . . . . . . . . . . . : 85.38.28.70
>
> VPN:
>
> Descrizione . . . . . . . . . . . . . : WAN (PPP/SLIP) Interface
> DHCP enable. . . . . . . . . . . . : No
> IP address. . . . . . . . . . . . . : 10.0.51.5
> Subnet mask . . . . . . . . . . . . . : 255.255.255.255
> Default gateway . . . . . . . . . : 10.0.51.5
> DNS Server . . . . . . . . . . . . . : 10.0.10.0
> 151.99.125.1
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