Wireshark-dev: Re: [Wireshark-dev] how to set capture filters?
From: Guy Harris <guy@xxxxxxxxxxxx>
Date: Tue, 19 Jan 2010 14:06:15 -0800
On Jan 19, 2010, at 2:00 PM, Joshua (Shiwei) Zhao wrote:

> I'm trying on winxp and I'm getting 802.11 headers in monitor mode.
> I'm using Wireshark GUI instead of tshark, Wireshark 1.2.2 and winpcap 4.0.2.

WinPcap 4.0.2 isn't based on a recent-enough version of libpcap to support "type mgt".  Try WinPcap 4.1.1.