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ICS troubles with 98 and XP

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7 replies

by j.r.f

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I have had all kinds of trouble trying to set up Internet Connection Sharing between 2 computers on a home network (I'm a student and do work like this on the side).

The main computer runs XP and has a DSL modem (connected through a NIC), which uses the PPPoE protocol. The on-board Ethernet adapter connects this computer to a hub.

The second computer runs 98 and is connected through a NIC to the hub.

I can see the XP computer from the 98 machine, but the guy just wants to share the Internet, and that does not work. I've done this before between two 98 machines, and this time I followed the same process using the network setup disk (made by the XP machine).

There's something I'm missing, and I'm at a complete loss for how to proceed. Please share your tips for getting this feature to work. Thanks. -Ryan

7 replies

by dmiles

ICS will not work with Win98,is was added to Windows 98SE.

Using windows 98 you will have to use a router,so I am puzzled to know is it W98SE that you have and not just 98?

by dpsethi

Even though your question is not very clear as to whether you are using XP as the ICS sharing machine or win98. Win98 does not have ICS (win98 SE does) , so i am assuming that you are trying to enable winxp machine as the Internet sharing server (with ICS on it) . Well ! if you try to browse any website with your windows 98 machine as the client to windows xp ics then you won't be able to browse even though you are connected in between both computers. The reason is a setting called MTU (Maximum Transmission unit). You will have to lower the MTU in windows 98 machine by tweaking a registry setting and restarting the computer. The complete details can be found at this URL

http://www.winguides.com/registry/display.php/280/

You will see that the MTU for PPPoE connections is 1492 , If this also does not work then try reducing the MTU to a lesser value (decrement it by 2 in each step)

or visit microsoft web site and search for "Changing MTU in windows 98"

by briantruitt

Make sure ICS is turned on on the nic that the dsl modem is attached to. This in turn should supply your on-board nic with an IP of 192.168.0.1 if it's setup to recieve it's IP info through DHCP. Double check the 98 box and make sure it's setup to run DHCP and it's IP address should be in the same ballpark, i.e. 192.168.0.2 or 3. The 98's gateway and DNS should also be 192.168.0.1. I know you have probably done all of this but the simplest task sometimes gets overlooked. From this point try pinging the dsl nic's Internet/external IP address. I guess the big thing is making sure ICS is running on the correct nic. If all else fails, buy a router and just use PPPoE authentication on the router itself. It'll make things easier and probably more secure.

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