From owner-freebsd-net@freebsd.org Fri Apr 20 02:37:34 2018 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 8A2B1F94986 for ; Fri, 20 Apr 2018 02:37:34 +0000 (UTC) (envelope-from kob6558@gmail.com) Received: from mailman.ysv.freebsd.org (mailman.ysv.freebsd.org [IPv6:2001:1900:2254:206a::50:5]) by mx1.freebsd.org (Postfix) with ESMTP id 1EB507F45A for ; Fri, 20 Apr 2018 02:37:34 +0000 (UTC) (envelope-from kob6558@gmail.com) Received: by mailman.ysv.freebsd.org (Postfix) id D1111F9497F; Fri, 20 Apr 2018 02:37:33 +0000 (UTC) Delivered-To: net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 94364F9497E for ; Fri, 20 Apr 2018 02:37:33 +0000 (UTC) (envelope-from kob6558@gmail.com) Received: from mail-vk0-x230.google.com (mail-vk0-x230.google.com [IPv6:2607:f8b0:400c:c05::230]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 2AF0C7F436 for ; Fri, 20 Apr 2018 02:37:33 +0000 (UTC) (envelope-from kob6558@gmail.com) Received: by mail-vk0-x230.google.com with SMTP id w1so4415728vkf.3 for ; Thu, 19 Apr 2018 19:37:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:sender:from:date:message-id:subject:to; bh=Iha6aKhr/MeISpm/xeddYHM/N5rB9hCfOMpW5SS/RH0=; b=O4ideGU33LjEwiPJm7aXE0s2jh5FTTkybCG4oSv/UlJyGbtYm0RN8YAJQj43GLgI/L BT+ubG/gAn2tahlP2TDuX31FL4eBz7ErsIUHiEx8jb8ykpSqrEC2pp0cH9fA9wDLytDr ycn1SoS8B5J80QNVR3DN8K403Og3O8SVa5nl2D6hoIaXxo6c0tb9dcV+AW2RFj41FYkO Hv8RXDng/jIwK+8Sh6DxoyCErfSRrnueTQgfUx5f6itCFMJ63ciMiXmP55TzWZBbbWuw c1NuM6uEPam5oog0lfQ56+Jwd58HKQBZwqLh/OlNMz/LI3Lpo/VYtduQuY3XInMIYhZ1 loxw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:sender:from:date:message-id:subject :to; bh=Iha6aKhr/MeISpm/xeddYHM/N5rB9hCfOMpW5SS/RH0=; b=eQl6OUCgD6ZZXYEKp590H4nPqo0ClfG6cYxOrAEp5EnIl4BlvjJSWVI1Cyu1ZrjVNn 5ENbBlb9hpf1aU+tsAq9K5ePV5+d+jMvTrISn+zm77+Ve0N9dX8QvNgud3lZLQLrLTvl naG1zsgQlI1A9jF3s6MC7ZP7qzxcVpNNi4OWft2eTEONxi/5r0lQFpv0zUUNbS1RnJd7 dg8HECRA9wzuCc+FKYp0QE3yxjtcPRtRESx+Z2E2qr+EhTUgfL9uu2KqRinC3lwd1yLy uwvnwtz+N59TInTUiYBwDFgShZ8NUU2W9v5DC+VIaSlx0FlVncBufF8T+Bcq+zYmBCW5 alJg== X-Gm-Message-State: ALQs6tBz+ltXz4/l1kKt0I+2mbGIcM1vHbz8DuSUQ1GSfs+tsxtbnfUg BBFOJE/m0RmD5rxc3ziVNEgZhXLJRvpVUgnXfA+oRE4n X-Google-Smtp-Source: AIpwx49RnJnPtG9+m3gMoCsBAV/2TI2LBDzZ8CX/bEup0jnCoP7cj5pysdAMNl61i3B+Cd+oNeod8fkCSqWTjGeJM6A= X-Received: by 10.31.161.207 with SMTP id k198mr120914vke.78.1524191852054; Thu, 19 Apr 2018 19:37:32 -0700 (PDT) MIME-Version: 1.0 Sender: kob6558@gmail.com Received: by 10.103.95.198 with HTTP; Thu, 19 Apr 2018 19:37:31 -0700 (PDT) From: Kevin Oberman Date: Thu, 19 Apr 2018 19:37:31 -0700 X-Google-Sender-Auth: EOz1Eg5mjQaPqaV89rPIEpanWZ8 Message-ID: Subject: Bad outbound performance with Intel 6205 [Taylor Peak] WiFi (IWN) To: FreeBSD Net Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.25 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 20 Apr 2018 02:37:34 -0000 I am seeing poor performance on my WiFi that seems to have deteriorated since FreeBSD V11.0. I see an average of about 35 errors for every packet transmitted. wlan0 1500 a0:88:b4:c6:ad:28 14501195 0 0 367667 12886354 0 I have always seen lot of errors on transmission on this interface, but I have recently noticed that uploads were very slow. They seem to max out at about 20 Mbps (bits, not bytes). For "normal" traffic (as opposed to test traffic) it is often much worse, often topping out at around 2 or 3 Mbps. No input errors at all and god download performance. Are others seeing this? Any suggestions for troubleshooting? I don't see much in the way of statistics or diagnostic information on iwn. the man page gives me no clues. Kevin Oberman, Part time kid herder and retired Network Engineer E-mail: rkoberman@gmail.com PGP Fingerprint: D03FB98AFA78E3B78C1694B318AB39EF1B055683