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How do i create a pptp VPN terminating on a Windows 2000 pro machine using BT 2wire 2700hgv router

Posted on 2008-06-18
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I'd like to create a VPN between an external machine (remote) and a windows 2000 pro machine on my network. I'd like to use PPTP to connect to the machine and the gateway being used is a BT 2Wire 2700hgv. The 2Wire router will be used exclusively for the VPN but the receiving 2000 machine will not be using it as its default gateway (although its possible it could be configured to use it) but it will be on the same network (subnet and domain).

I'm struggling to understand the whole end-to-end process, or even if its possible. Any help would be greatly received. Also, i'm happy to make further information available on request.

Thank you in advance.
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Question by:fivechairs
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Rob Williams earned 500 total points
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I am assuming  remote client => Internet => 2 Wire => 2000 pro VPN 'server'
The outline below is for connecting to an XP machine rather than 2000, but the process is similar. If you are using 2000 server, rather than 200 pro see the following link for the server end:
http://www.onecomputerguy.com/w2k/w2k_vpn.htm


The basic server and client configurations can be found at the following sites with good detail:
XP VPN server (computer to which you are connecting):
http://www.onecomputerguy.com/networking/xp_vpn_server.htmXP
Windows XP client configuration (PC from which you are connecting -click on underlined test for screen shots):
http://www.lan-2-wan.com/vpns-XP-Client.htm

You will also have to configure your router to forward the VPN traffic to the server PC. This is done by enabling on your router VPN or PPTP pass-through, and also forwarding port 1723 traffic to the server PCs IP. For details as to how to configure the port forwarding, click on the link for your router (assuming it is present) on the following page:
http://www.portforward.com/english/applications/port_forwarding/PPTP/PPTPindex.htm
The only other thing to remember is the subnet you use at the remote office needs to be different than the server end. For example if you are using 192.168.1.x at the office , the remote should be something like 192.168.2.x

To connect from your VPN client you need to know the public IP of the office (VPN server) site. This can be found by going to http://www.whatismyip.com from the office (VPN server) site). This IP may change if it does you will need to subscribe to a free DDNS service, such as  http://www.dyndns.com    Please advise if you need help with that, but for the mean time the IP will work fine for testing.
You can only test this from off site you cannot have client and server at the same location and use the public IP.

Once this is configured you can then use services similar to how you would on the local network. You will not be able to browse the network unless you have a WINS server installed. Also depending on your network configuration you may have problems connecting to devices by name, though this can usually be configured.. Using the IP address is less problematic such as \\192.168.1.111\SharenName.
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