Ethereal-users: Re: [Ethereal-users] RE: Using Ethereal with SMC2536W-AG wireless

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From: Guy Harris <gharris@xxxxxxxxx>
Date: Sat, 19 Jun 2004 20:17:32 -0700
On Fri, Jun 18, 2004 at 02:53:16PM -0500, Watkins Robert-FRW005 wrote:
> Ethereal was displaying and capturing forwarding/broadcast packets
> discovered on the WLAN but not 802.11 protocol-type specific traffic. That
> is, we did not see any "802.11x" in the protocol column.

On Windows, 802.11 drivers

	1) do not pass packets other than data packets up through the
	   NDIS mechanism (the mechanism used by WinPcap)

and

	2) pass data packets up as fake Ethernet packets

so, unfortunately, that's what you'll see on Windows.

To quote my previous message:

> Different operating system?  Windows drivers for wireless cards are
> *really* not very helpful to applications that try to capture network
> traffic; Linux and BSD drivers do a better job.