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How to: Enabling ICS on Vista

RRAS, VPN, TS/RDP, Routing and remote Access.

How to: Enabling ICS on Vista

Postby chicagotech » Fri Feb 16, 2007 1:42 pm

To enable ICS, on your host computer:

1. Open Network Connections by clicking the Start>Control Panel> Network and Internet>Network and Sharing Center> network connections.
2. Right-click the connection that you want to share, and then click Properties
3. Click the Sharing tab, and then check Allow other network users to connect through this computer’s Internet connection box.
4. You may check Allow other network users to control or disable the shared Internet connection box. Optionally, to allow other network users to use services running on your network, click Settings and select the services you want to allow.

Note: 1. The ICS host must have two NICs.
2. To use ICS, make sure all computers are configured to get an IP address automatically.
3. To use ICS, you need to make the following changes on all but the host computer
1) Open Internet Options by clicking the Start button , clicking Control Panel, clicking Network and Internet, and then clicking Internet Options.
2) Click the Connections tab, and then click Never dial a connection.
3) Click LAN Settings.
4) Under Automatic configuration, clear the Automatically detect settings and Use automatic configuration script check boxes.
5) Under Proxy server, clear the Use a proxy server for your LAN check box.
4. Do not use ICS on a network with domain controllers, DNS servers, gateways, or DHCP servers. And don't use ICS on systems configured for static IP addresses.
5. If you create a virtual private network (VPN) connection on your host computer to a corporate network and then enable ICS on that connection, all Internet traffic is routed to the corporate network and all of the computers on your home network can access the corporate network. If you don't enable ICS on the VPN connection, other computers will not have access to the Internet or corporate network while the VPN connection is active on the host computer.
6. You should assign different IP ranges in these two NICs.
7. After enabling ICS feature, the network card connected to the home network would be assigned a static IP address 192.168.0.1 with netmask 255.255.255.0. This ICS host will act as a DHCP server and assign other IP addresses in the 192.168.0.x/24 range to other client computers.
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