Share a Windows XP machine's internet connection

Mar 22, '07 07:30:03AM

Contributed by: cdmckay

This hint is intended to instruct a user on how to use Windows' Internet Connection Sharing (ICS) to share an Internet connection from a Windows computer (the host) to a Mac computer (the client).

On the client computer (Mac OS X and a wireless NIC):

  1. Click on the AirPort icon at the top right of the screen.
  2. Click Create Network. A dialog called Computer-to-Computer should pop-up.
  3. Set name to ICS. Click OK.
  4. Open System Preferences from the Apple menu.
  5. Click the Network icon.
  6. Select AirPort from the Show Menu dropdown.
  7. Click the TCP/IP tab.
  8. Select Manually from the Configure IPv4 dropdown.
  9. Set IP Address to 192.168.0.2.
  10. Set Subnet Mask to 255.255.255.0.
  11. Set Router to 192.168.0.1.
  12. Set DNS Servers to 192.168.0.1.
  13. Click Apply Now.
You have now completed setting up the client computer. Read on for the host computer instructions.

On the host computer (Windows XP, Internet Connection (i.e. Cable or ADSL), Wireless NIC):

  1. Click Start -> Control Panel.
  2. Double-click Network Connections.
  3. Right-click Wireless Network Connection and then click Properties.
  4. In the General tab, select Internet Protocol (TCP/IP).
  5. Click Properties.
  6. In the General tab, select Use the following IP address.
  7. Set IP address to 192.168.0.1.
  8. Set Subnet mask to 255.255.255.0.
  9. Click OK.
  10. Click the Wireless Networks tab.
  11. Click the View Wireless Networks button.
  12. Select the network named ICS from the list and click Connect.
  13. Click OK at the next dialog telling you the network is open.
  14. Close the View Wireless Networks window.
  15. Click OK to close the Wireless Network Connection window.
  16. You should now be in the Network Connections window.
  17. Right-click Local Area Connection and then click Properties.
  18. Click the Advanced tab.
  19. Click the Allow other network users to connect through this computer's Internet connection checkbox.
  20. Click OK.
You have now completed setting up your Host. You should be able to connect to the Internet on your Mac. If you follow these instructions, your wireless connection between your Mac and PC will be unsecured; it is highly recommended you set a WEP password.

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