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Monday 5 September 2011

How to configure Internet Connection Sharing in Windows XP


How to use Internet Connection Sharing

To use Internet Connection Sharing to share your Internet connection, the host computer must have one network adapter that is configured to connect to the internal network, and one network adapter or modem that is configured to connect to the Internet.

On the host computer
On the host computer, follow these steps to share the Internet connection:
  1. Log on to the host computer as Administrator or as Owner.
  2. Click Start, and then click Control Panel.
  3. Click Network and Internet Connections.
  4. Click Network Connections.
  5. Right-click the connection that you use to connect to the Internet. For example, if you connect to the Internet by using a modem, right-click the connection that you want under Dial-up.
  6. Click Properties.
  7. Click the Advanced tab.
  8. Under Internet Connection Sharing, select the Allow other network users to connect through this computer's Internet connection check box.
  9. If you are sharing a dial-up Internet connection, select the Establish a dial-up connection whenever a computer on my network attempts to access the Internet check box if you want to permit your computer to automatically connect to the Internet.
  10. Click OK. You receive the following message:
    When Internet Connection Sharing is enabled, your LAN adapter will be set to use IPaddress 192.168.0.1. Your computer may lose connectivity with other computers onyour network. If these other computers have static IP addresses, it is a good idea to set themto obtain their IP addresses automatically. Are you sure you want to enable InternetConnection Sharing?
  11. Click Yes.
The connection to the Internet is shared to other computers on the local area network (LAN). The network adapter that is connected to the LAN is configured with a static IP address of 192.168.0.1 and a subnet mask of 255.255.255.0



On the client computer

To connect to the Internet by using the shared connection, you must confirm the LAN adapter IP configuration, and then configure the client computer. To confirm the LAN adapter IP configuration, follow these steps:
  1. Log on to the client computer as Administrator or as Owner.
  2. Click Start, and then click Control Panel.
  3. Click Network and Internet Connections.
  4. Click Network Connections.
  5. Right-click Local Area Connection, and then click Properties.
  6. Click the General tab, click Internet Protocol (TCP/IP) in the This connection uses the following items list, and then click Properties.
  7. In the Internet Protocol (TCP/IP) Properties dialog box, click Obtain an IP address automatically (if it is not already selected), and then click OK.

    Note You can also assign a unique static IP address in the range of 192.168.0.2 to 192.168.0.254. For example, you can assign the following static IP address, subnet mask, and default gateway:
    IP Address      192.168.0.2
       Subnet mask     255.255.255.0
       Default gateway 192.168.0.1
    					
  8. In the Local Area Connection Properties dialog box, click OK.
  9. Quit Control Panel.

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