Originally posted by: JackMDS
The content of the following links will provide you with a basic tutorial about Sharing Internet connection; it is short and to the point. The pages were written by me ages ago. Ignore the prices, and the specific choice of hardware, stick with the principles they are still the same.
Basic Options for Internet Connection Sharing -
http://www.anandtech.com/guides/viewfaq.aspx?i=105
Hubs, routers, switches, DSL, LANs, WANs...? -
http://www.anandtech.com/guides/viewfaq.aspx?i=48
What do I need for wireless networking? -
http://www.anandtech.com/guides/viewfaq.aspx?i=122
The whole thing should look like this,
http://www.ezlan.net/network/router.jpg