Ethereal-users: Re: [Ethereal-users] Capturing TCP stream of a Notebook connected vie WLAN

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From: Guy Harris <gharris@xxxxxxxxx>
Date: Thu, 18 Mar 2004 21:24:41 -0800
On Wed, Mar 17, 2004 at 05:51:46PM +0100, Roman Krepki wrote:
> I have just installed the Ethereal, which worked quite impressive on my 
> desktop PC connected via an ethernet cable to the network.
> However, after the identical installation on my notebook IBM T41p, which 
> connects to the network via a built-in WLAN, it failed to capture anything.
> When I disabled the WLAN, and connected via a common LAN adapter, it 
> then worked out correctly.
> 
> What is the reason, why I am not able to capture anything via the WLAN 
> connection?

If you're running Windows, it's probably because you're running Windows.
For some reason, WLAN drivers on Windows seem to do a really bad job of
supporting packet capture.