From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-ew0-f208.google.com ([209.85.219.208]:42675 "EHLO mail-ew0-f208.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754794AbZJZHTA (ORCPT ); Mon, 26 Oct 2009 03:19:00 -0400 Received: by ewy4 with SMTP id 4so3338737ewy.37 for ; Mon, 26 Oct 2009 00:19:03 -0700 (PDT) To: belle.shi@yy.com Cc: linux-wireless@vger.kernel.org Subject: Re: about 802.11 scan and probe request References: <20091026103247.2ng5wbub4ow8ok4w@webmail.yy.com> From: Kalle Valo Date: Mon, 26 Oct 2009 09:19:01 +0200 In-Reply-To: <20091026103247.2ng5wbub4ow8ok4w@webmail.yy.com> (belle shi's message of "Mon\, 26 Oct 2009 10\:32\:47 +0800") Message-ID: <87y6myhbbu.fsf@purkki.valot.fi> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-wireless-owner@vger.kernel.org List-ID: belle.shi@yy.com writes: > there is one question: the scan have two mode:active or passive,but > when i run the wpa_gui, there is only scan button Passive scan is so slow that we want to use active scan always when possible. No need to confuse users about this, so one scan button is enough. > i think the active scan is to send Probe Request frame, and the > passive scan to receive the beacon frame, is it right? Correct. -- Kalle Valo