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Question : XP Pro: Sharing an Internet Connection
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I need to set up Windows XP Pro Internet Connection Sharing (ICS) on a laptop, which is wired to the internet router with a static IP address. The laptop also has a wireless connection which I want to share for another machine to be able to access the Internet.
I've tried and tried and tried, but cannot get Internet access on the other machine. Part of the problem is the ad-hoc wireless connection keeps disconnecting. So, I've decided to knock ICS on the head and try another way... here's where I need some suggestions.
I know I can enable TCP/IP forwarding in the registry (see here: http://support.microsoft.com/kb/315236) but what does it actually allow me to do? Do I need some extra software to do the routing? If so, I'm looking for a freebie.
Any ideas?
Thanks,
Steve
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Answer : XP Pro: Sharing an Internet Connection
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@ Comply With ICS only one MAC will be seen
@ sda100 I would say ICS is not your problem but the ad-hoc connection. Unfortunately sounds like you are at the mercy of that.
Perhaps I can help with the ICS and I'll leave you to deal with the ad-hoc stability.
With ICS it is important that:
-WAN/Internet connection IP cannot be any 192.168.0.x address
-must be 2 network connections present, and no more. If there are more you need to disable them until ICS is enabled
-firewall should be disabled, at least for test purposes, on the LAN adapter (in your case the primary PC's wireless adapter), you can leave enabled on the WAN adapter to protect your computers
-LAN adapter should be configured "to obtain IP and DNS automatically"
-right click on the WAN adapter and choose properties, then advanced, and internet connection sharing, allow other users to connect through this computer to the Internet
-this should enable all the necessary services and give the LAN adapter an IP of 192.168.0.1
-establish your ad-hoc connection, Ill leave that up to you
-the second computer needs to be set up to obtain and IP and DNS settings automatically, i.e. DHCP and should receive an IP in the 192.168.0.x range, with a subnet mask of 255.255.255.0, gateway of 192.168.0.1, and appropriate DNS servers (same as primary PC)
May want to review these:
http://www.petri.co.il/configuring_ics_on_windows_xp.htm
http://support.microsoft.com/default.aspx?scid=kb;en-us;306126&sd=tech
latter includes a video.
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