One of the computers on the LAN must be designated as the sharing computer. On this computer (and only on this computer) you must now install the
Internet Connection Sharing tool (ICS), which ships with Microsoft Internet Explorer 5 and Windows 98 Second Edition. To find out if it's available to you, go to Control Panel, open the Add/Remove Programs component,
click on the Windows Setup tab, and then click the Internet Tools item and the Details button. ICS should appear at the top of the Components list. To install it, put a check in its box and click OK, and then OK again.
Reboot when the installation is complete.
Running the ICSW
You are now ready to set up ICS through the Internet Connection Sharing Wizard (ICSW). To run the wizard, open the Internet Options dialog from IE5's Tools menu
(or by opening the Internet Options applet in Control Panel). Click the Connections tab, and then the Sharing button in the LAN section of the dialog box. Check the option labeled Enable Internet Connection Sharing.
When you
click OK, the ICSW will start.
Specify the Connection Type
In the next step, the ICSW asks you to specify the type of connection you wish to share: dial-up or high-speed. Examples are given with each choice.
Note that the dial-up option includes ISDN, which indeed requires dialing in to the ISP, but not ADSL, although that requires dialing in too. If you have a cable modem, choose high-speed. Configuring a cable modem, as
with any high-speed connection, may be complex. For this article, we look at dial-up connections only, first because they're by far the most common means of hooking up to the Internet, and second because they're
relatively standard.
Specify The Settings
Once you've chosen the dial-up connection type, you must specify which settings to use. If you have only one ISP, you'll have only one choice. If you have multiple
ISPs, you'll see a menu of choices similar to the one shown here. Click the one you want to use, and then decide whether you want to dial in automatically whenever you access the Internet. If you have only one phone
line, keep this option off to avoid annoying those who might be using the phone.
Set Up the Clients
The next stage of the wizard involves creating a Client Configuration disk. This disk lets you configure the remaining machines on the LAN to use ICS. You'll need a
formatted disk for this step. If you haven't already set the machines to connect through the LAN, put the Client Configuration disk in each client's floppy disk drive and run A:\Icsclset.exe. This will run the Browser
Connection Setup wizard, which sets the client's Internet connection to run through the LAN. Click Finish in the final dialog of the ICSW. Before sharing can occur, each client PC must
have TCP/IP installed; use the Network applet in each machine's Control Panel to install the protocol.
The IP Address
The wizard changes the sharing machine's IP address to 192.168.0.1, which allows ICS but might also adversely affect your sharing machine's ability to communicate with
some LAN-based Internet connections. We're assuming dial-up connections here, so we won't concern ourselves with this issue. The IP number for the client computer--configurable through the TCP/IP Properties dialog
in the Networkapplet--should be left blank, so that the sharing computer can assign the IP numbers dynamically. If you wish, however, you can manually set the IP numbers of each client: The possible numbers range from
192.168.0.2 through 192.168.0.253, and you need not assign them in any order within that range.
Start Sharing
After performing all the necessary rebooting, it's time to watch
ICS work some magic. Using the sharing computer, connect to the Internet through its dial-up connection. Make sure the connection works by trying a few uncached Web sites, and then move to a client machine. Open a
browser and head for some sites, send some e-mail, do some file transfers, and so on. You won't notice anything special in how the various applications work, except that they do in fact work.
Information Taken from PC Magazine
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