Internet Connection Sharing: Problems

Hey guys,

Recently I have a problem. I'm running Win7 x64 on my desktop, my motherboard has 2 LAN ports, one connected to my school intranet (and internet subsequently), and the other connected to my brother's laptop (Win7 32-bit).

I enabled internet connection sharing @ my school LAN, to share it to my brother's computer. Recently two problems have surfaced:

1. My brother's computer would not be able to surf the internet after a while of internet usage (happens anytime between 15 minutes to 1 hour after first using the net). Current connections still continue (i.e. Youtube continues loading), but new connections (loading a webpage etc) can't be established. In this case I have to disable and reenable the internet connection sharing for the internet to work. I tried googling a lot but to no avail.

2. My computer is starting to get very slow DNS lookups; google.com takes 3 seconds to load (takes 0.1 second on my brother's computer). This happens in IE, Firefox and Chrome. I tried flushing the DNS, even changing to OpenDNS, but it still doesn't work. (This might not be related to ICS)

Anyone knows of solutions to such problems? Really appreciate it. Thank you! :)

Anyone? I'll try to provide as much information as possible! The Slow DNS lookups is the problem.

I'm living in a hostel, and each room is only allocated one LAN port. We're staying in a single room to save money. Hence the need to set up connection sharing.. ><

Artix said:

Anyone? I'll try to provide as much information as possible! The Slow DNS lookups is the problem.

Does this information include which A/V software is being used?

WindowsStar said:

Instead of going through the headache of trying to get this to work, I would just buy a $10 hub from a computer store. It may only have 4 ports on it but you will be able to connect both machines. Heck the computer store my have an old one they can’t sell and give it to you….I know I have several.

That sounds cool, but I'm not sure whether my school network would allow hubs. Do I need to configure it?

chev65 said:

Does this information include which A/V software is being used?

MSE. No other Firewall/AV installed. Windows Firewall is turned on. And I can confirm that the slow DNS lookups happens when connection sharing is enabled.

Some googling I did a while back pointed me to this service that connection sharing requires; disabling it seems to solve the problem (according to other people), but I can't since I need to share the connection anyway..

Ok, I will go and buy one when I have the time.

But isn't it weird that ICS is causing this problem? Another one of the annoying problems in Windows that isn't fixed.