Wireshark-users: Re: [Wireshark-users] cannot capture packets from wifi router(Netgear WNDR3700).
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From: Guy Harris <guy@xxxxxxxxxxxx>
Date: Thu, 1 Dec 2011 13:54:52 -0800
On Dec 1, 2011, at 1:44 PM, Philip Anil-QBW348 wrote:

> I upgraded from ubuntu 10.10 to ubuntu 11.10. Still no improvement.

Then the problem might be that NetworkManager is "helpfully" turning monitor mode off.

> My laptop was able to browse to the same website that my phone could, on the local network.

That would make no difference.

> My wireshark version is 1.6.2 from the ubuntu package manager.

Wireshark does not itself do anything about monitor mode; it calls libpcap to do that.  Libpcap may try to turn monitor mode on, but if NetworkManager then "helpfully" turns it off, there's not much you can do except to get rid of NetworkManager.  Try searching in the Ubuntu forums for more information about this.