Connected to Access Point but no internet connection?

Posted by ReaZem on Ask Ubuntu See other posts from Ask Ubuntu or by ReaZem
Published on 2011-11-23T15:59:45Z Indexed on 2011/11/23 18:05 UTC
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wireless

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networking

I am trying to use my school's WPA Enterprise network to access the internet with my Three-OS laptop. I currently have Windows7, Ubuntu11.10 and Backtrack5 installed.

I can use my home's WPA2 network without any issues with the 3 OS.
I can successfully connect to my school's network with the 3 OS but I can only browse the internet with windows7. Ubuntu network-manager and Backtrack WICD both say that I am connected to the Acces Point but I cannot browse the internet.
I have tried uninstalling network-manager and installing WICD but it did not solve the problem.
Every time I connect to the Access Point, I am able to browse the internet for about 10 seconds.
I have tried disabling IPV6
I have tried changing DNS.

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