Ethereal-users: RE: [Ethereal-users] Wireless (Prism) Card: Only Incoming Packets?

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From: "Ulf Bertilsson" <ulf.bertilsson@xxxxxxxxxxxx>
Date: Tue, 9 Apr 2002 11:56:26 +0200
> On Wed, Apr 03, 2002 at 05:59:07AM -0800, Robinson, Eric R. wrote:
> > I am only seeing INCOMING packets... no outgoing packets. If I ping 
> > something, I see echo REPLIES but no echo requests, etc. In 
> short, I 
> > am only seeing one side of any conversation.
> 
> Ethereal is at the mercy of libpcap/WinPcap, and 
> libpcap/WinPcap is at the mercy of the device driver for the 
> networking device and the networking code in the OS.
> 
> If you're not capturing in promiscuous mode, try capturing in 
> promiscuous mode; some drivers might not show outgoing 
> packets to capture programs unless the networking device is 
> in promiscuous mode.
> 
> If you *are* capturing in promiscuous mode, the driver might 
> *still* not be supplying outgoing packets to capture programs.
> 
> There's nothing we (or the WinPcap developers) can do about 
> the driver. 
> I'd suggest asking whoever supplied the driver (Microsoft, or 
> the networking card supplier).

Linux provides much more controll here.

I suggest you look thrue the archive for post about this setup.

--
Ulf