A VPN network can send voice, data, and video over secure and encrypted private channels in the public network. There are many VPN client programs that are configure in such a way that all the IP traffic must pass the VPN tunnels before reaching the destination.
VPN Features
A VPN connection can provide the following features.
• Global Networking
• Broadband Network Compatibility System
• Secure Communication
• Cost Effective solution for the corporate offices.
• Reduced Operational cost
• Faster Return on investment
Configuring VPN in Windows XP Professional
For configuring the VPN connection, you need to have a static IP address of the remote computer of your company and the host name. You can configure the VPN connection in Windows XP Professional by the following method.
1. Click Start > Control Panel > Click Network and Internet connection > Click Network Connections.
2. Here you need to create new connection and click next
3. Here click “Connect to network at my work place” click next.
4. Click “Virtual Private Network” and click next.
5. Here type the meaningful name for your company or any other network connection and click next.
6. Here click “Do not dial the initial connection and click next.
7. Here type the hostname and the IP address of the computer to which you want to connect.
8. Press next and then press finish.
Installing VPN in Windows 2000 Professional
Make sure that you are connected to the internet and you are also connected to the LAN.
1. Start > Administrative Tools > Routing and Remote Access
2. Click the server name in the tree and on the action menu click Configure and Enable Routing and Remote Access and click next.
3. Click Virtual Private Network (VPN Server) in the common configurations and click next.
4. In the remote client protocols, make sure that the TCP/IP is included in the list. Click yes to all available protocols and click next.
5. Select the Internet connection that will connect to the internet in the internet connection box and click next.
6. In the IP address management box select automatically to assign the IP addresses through the DHCP server.
7. In the “Managing Multiple Remote Access Server select this option “No, I don’t want to setup this server to use Radius Server Now. Click Next > Click Finish.
8. Now right click on the Ports node and click properties now click WAN mini port (PPTP) and then click configure.
9. Type the maximum number of the allowed simultaneous PPTP VPN connections to this server.
Configuring VPN Server in Windows 2000
You can configure the VPN server further by the following methods.
1. Start > Admin Tools > Routing and Remote Access.
2. Right click the server name and then properties.
3. Select “Enable this computer as a router” on the general tab.
4. Here you have the choice to select Local Area Routing or LAN or Demand Dial Routing click ok and close all the dialog boxes.
Configuring VPN Connection in the Client Computer
1. Start > Settings > Network and dialup connection
2. Make new connection
3. Click next and then click connect to a private network through Internet
a. Click Automatically Dial this initial connection and select your dial up internet connection from the list.
b. If you use cable modem then select “Do not dial this initial connection”.
4. Click next
5. Here type the host name and the IP address of the remote computer to which you want to connect.
6. Type the descriptive name of the connection and click next.
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