Date: Fri, 15 Mar 2013 03:24:19 +0400 From: Lev Serebryakov <lev@FreeBSD.org> To: freebsd-wireless@FreeBSD.org Subject: Why FreeBSD AP announce rates over 18Mbit/s as "Extended"? Message-ID: <1231231998.20130315032419@serebryakov.spb.ru>
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Hello, Freebsd-wireless. I've sniffed all WiFi networks in my apartments (a lot of them!) and compare data in beacons. I found one strangeness: Almost all networks (supported by SOHO soapbox-routers like TP-Link, Zyxel and D-Link) announce rates 1b, 2b, 5.5b, 11b, 16, 24, 26 and 54Mbit/s in "Supported rates" tag (tag #1) and only 6, 9, 12 and 48Mbit/s goes to tag "Extended supported rates" (tag #50). And my AP FreeBSD-based) announce is rather different: 1b, 2b, 5.5b, 11b, 16, 9, 12, 18Mbit/s goes to "Supported rates" (tag #1) and 24, 26, 48 and 54Mbit/s goes to "Extended supported rates" (tag #50). It is reason why simple WiFi monitoring tools shows my AP as capable only 18Mbit/s. :) What is reason why FreeBSD is different from all other WiFi stacks? -- // Black Lion AKA Lev Serebryakov <lev@FreeBSD.org>
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