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today I updated my ubuntu 11.10 via the update manager. Now, the wifi connection is not working. I see my wifi station and the network manager also connects to the station but I cannot ping any other machine as well as connect to any other machine.

I use dhcp and I have disabled ipv6. If I call ifconfig everything looks fine, I see If my address. I also tried to setup the network manually without success. route also looks ok.

Any ideas what could have happend?

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This bug looks very similar: bugs.launchpad.net/ubuntu/+source/linux/+bug/921123 –  headmyshoulder May 26 '12 at 14:43

1 Answer 1

up vote 0 down vote accepted

This one solved my problem: http://askubuntu.com/a/76557/34563

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