From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mout.gmx.net (mout.gmx.net [212.227.15.15]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id 136C73B2A0 for ; Wed, 20 Jan 2016 10:10:10 -0500 (EST) Received: from hms-beagle.home.lan ([217.247.221.45]) by mail.gmx.com (mrgmx003) with ESMTPSA (Nemesis) id 0MQQzk-1aj3Qi0BgK-00TojH; Wed, 20 Jan 2016 16:10:08 +0100 Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) From: moeller0 In-Reply-To: <7C9E895A-B3CC-44D9-9E5B-D99BDCDA0D41@burn.net> Date: Wed, 20 Jan 2016 16:10:05 +0100 Cc: Alan Jenkins , Bloat@lists.bufferbloat.net Content-Transfer-Encoding: quoted-printable Message-Id: <30331643-7B24-4411-91D1-C4862E05E8C4@gmx.de> References: <9A63607E-6B33-4084-91D6-E8727EBF2B67@gmx.de> <569F785F.5010801@gmail.com> <7C9E895A-B3CC-44D9-9E5B-D99BDCDA0D41@burn.net> To: Brandon Applegate X-Mailer: Apple Mail (2.2104) X-Provags-ID: V03:K0:3SRv+IO1boHSqftBypZnb30witd0BooH9uwIgO5jp/cicPhJvdD DcyRHJ+LhQ3lEeXfjL8VDQtEe/HFFs549/DOU1zkvITA6fqORT5RiQg5Ff29ccbzNtGYYNw 5zvyuqvsOId9CnvDL3/+mY1rbv8jx+NrEkwy9ED1aU9TTnKzPF/ybCmyvx/fdBTdahlXgbm +yA2rsyjTxRPl9gXulqLQ== X-UI-Out-Filterresults: notjunk:1;V01:K0:0DMBhpZlDtI=:SgqyBsKZz7Z3CnHcpH3kmu H7O1AYm5kYIt8wDhfcSQnhIQUpHy1xJebiWmqCojCG5f0ujCpkVX67R+UAwwzBDc5m0s/CFfS 9gRSkS5N1CZVwm+EwpRjxxBRkNr1FRsYdmuaHm2oqAWMjbdeGkghJXkzb6vyRxDyptKZh7BLg 6icQcqLWtyxfCo4tSWQctr+Kqj+z1gsRzs2pBfbpNf4I68LgKtt5HepMMe9gUl14sWtUNRWWX wSXW52svmXHLUPOk0vieFiwbahMBuqn8UEza4Zvhks3QV9AtD0pWNrNW3PYAjyoW5UdFHYGkD dI/cOsWeKl5e2GvSEDl+QgNAiUhjHx80bvRCFQkjYOgLbLMpYpjoiT0klljJbhih1Tao5KGo0 uaK8Myv2uC2IZy6qTVDwHqdGZBOfql8gIw+SPEWaCcI9sG8uwNuq49jFwMHN0n2SANIH+d82g aizxwyh1HGRX68mOrtpibrlOircttzNYN9QA2DkASiNFeuw5dZixCBRGbU8Pim0y5nVqMnMgq H9MxfEhIpNG3TcXBWcdEACeRWdDjVAWLWudOl9WU2rp0NPQZcoNXFsMQNGnack+JRsba46TUS et2gm+ka2YfJq3vBZcI+UkDiglwgOhPA44g8+YHEY50FzMHrKqU3o3ivj6wy2VrmybLoQ5u8x QhMTK6EdPATk5iHrVLvhHZnkKSL8y+cZqPuOWMkS7Ct5dRIUKi0hJvhfQeJDiaEfo8a2ONa3u NuW4BnpllOihIBf4dDNMzMPRuQ0xY8Wvg1zjwhv8bfldbTryhHNTRZkk+9czoUnK2mP9iffTR ifQoMOp Subject: Re: [Bloat] Getting started with sqm-scripts - latency good, bandwidth decimated X-BeenThere: bloat@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: General list for discussing Bufferbloat List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 20 Jan 2016 15:10:11 -0000 Hi Brandon, > On Jan 20, 2016, at 15:51 , Brandon Applegate = wrote: >=20 >>=20 >> On Jan 20, 2016, at 7:06 AM, Alan Jenkins = wrote: >>=20 >>=20 >> No offense to your work on sqm-scripts. >>=20 >>=20 >> 1) It's just in case the problem is *outside* of sqm-scripts, it = could be useful to try the minimum commands necessary to demonstrate the = problem. Maybe it's unfair but I assumed running on a PC is also a less = tested case, as well as the "firewall on a stick" part. >>=20 >> Equally, since AFAICT Brandon hasn't had a working AQM setup on this = box before. It could be useful if the Gentoo script works, to prove = that AQM + fq_codel can work correctly on Brandon's box. >>=20 >> If the Gentoo script _wasn't_ working, that's when I'd suggest = tearing it down e.g. to eliminate fq_codel as an issue. Rather than = specify fifo explicitly, just don't run the fq_codel command (assuming = that actually does something sensible, which can be checked using `tc = qdisc`). >>=20 >>=20 >> 2) More specifically, you didn't mention trying "simplest.qos". This = would i) simplify the setup we're trying to debug, and ii) it might show = if there's a bug with the more complex bandwidth calculations / = assignments in "simple.qos". >>=20 >>=20 >> And again - I suggest starting by checking `tc class show dev = eth0.666`, because it's not a 100% obvious command, and we don't want to = miss if there are bad rates there :). >>=20 >>=20 >> Alan >=20 > Wow, thanks for all the ideas and feedback. I did indeed find the = Gentoo wiki script and gave it a shot - basically the same behavior as = sqm-scripts. >=20 > I=E2=80=99m really thinking my on-a-stick topology is tying things in = knots as my traffic is on the same interface twice in inverse = directions. I have another NIC in the box used for some back end NFS = stuff - I can steal him temporarily to rejigger my interfaces. My goal = is to get eth0.666 to just be eth0 (public wan, no dot1q). I=E2=80=99ll = post my results from this - and barring any great success there - will = loop back to this thread and try what folks have mentioned. Please, before you change the set up, run the few commands Alan = (and I asked for) so we can get a rough idea what was happening. This = smells like a bug in sqm-scripts and I would love to either confirm and = fix it or get sqm-scripts acquitted ;) >=20 > We are snowed in today so the kids are home from school - I=E2=80=99m = sure I=E2=80=99ll get plenty of feedback from them - =E2=80=98dad the = internet is down=E2=80=99. :) So I would fully understand if any testing will have to wait until the = weather permits outdoor activity again ;) Best Regards Sebastian=