From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qk0-x22f.google.com (mail-qk0-x22f.google.com [IPv6:2607:f8b0:400d:c09::22f]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by huchra.bufferbloat.net (Postfix) with ESMTPS id A25CA21F335 for ; Fri, 23 Oct 2015 09:21:58 -0700 (PDT) Received: by qkfm62 with SMTP id m62so80335797qkf.1 for ; Fri, 23 Oct 2015 09:21:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=content-type:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=cTF2hgisELU33UJuJK5gaHOVdhEqezhoDVWvze2qqaQ=; b=WdfoTIijigQUdI+fSk+FJ6pC3m6U0BBNksW34jhU3VKevoD4/5GKPGziBTZXAUDeV5 Hoh6vROkW51aBGciQOqzTfuqHZX8ig8xMkttaBaAgx1psrsj+Ei1R0gvSMtB01TH2N0x UQuceMPjKoZK74WnLQBszulstlP4w3jKzUg8NrLT0SiPy5yq8A38lzCAUoHNKmUYQFiH aRtQU0pjUZMcbJqkoyNNFBTX5GeHvtxZt45nXzawjeu14EI9bFtmzCdC1MgxJyBbrRaM CFKQHwzFxpa1y/g5vht6GuJnDQEOBNTbAh5/VU8CXNKrSAswhoXjld+9Zm1/bTqmzW8O 2Sow== X-Received: by 10.140.34.83 with SMTP id k77mr26511111qgk.23.1445617317085; Fri, 23 Oct 2015 09:21:57 -0700 (PDT) Received: from richs-mbp-5.lan (d-ptld-bng1-64-223-157-126.ngn.east.myfairpoint.net. [64.223.157.126]) by smtp.gmail.com with ESMTPSA id 68sm7660877qhc.49.2015.10.23.09.21.55 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 23 Oct 2015 09:21:56 -0700 (PDT) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) From: Rich Brown In-Reply-To: Date: Fri, 23 Oct 2015 12:21:54 -0400 Content-Transfer-Encoding: quoted-printable Message-Id: References: <562A5BE5.6010101@gmail.com> To: Dave Taht X-Mailer: Apple Mail (2.2104) Cc: "cerowrt-devel@lists.bufferbloat.net" Subject: Re: [Cerowrt-devel] Problems testing sqm X-BeenThere: cerowrt-devel@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list List-Id: Development issues regarding the cerowrt test router project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 23 Oct 2015 16:22:20 -0000 Two other thoughts: 1) The WNDR3700v2 will struggle to (well, it won't) keep up with a > 100 = mbps uplink.=20 2) The numbers in the SQM page are in kilobits, not megabits/sec. Rich > On Oct 23, 2015, at 12:13 PM, Dave Taht wrote: >=20 > you are most likely applying the qdisc to the wrong ethernet device or > ethernet vlan. > Dave T=C3=A4ht > I just lost five years of my life to making wifi better. And, now... > the FCC wants to make my work, illegal for people to install. > https://www.gofundme.com/savewifi >=20 >=20 > On Fri, Oct 23, 2015 at 6:10 PM, Richard Smith = wrote: >> I have a shiny new Linksys WRT1900ACS to test. >>=20 >> I thought it might be nice to start with some comparisons of factory >> firmware vs OpenWRT with sqm enabled. >>=20 >> So I built and installed an openwrt trunk but the results were very >> non-impressive. Rrul test reported mulit-seconds of latency and it = was >> equally non-impressive with sqm enabled or disabled. So I assumed = that sqm >> in trunk on this device must not work yet. Then I wondered how well = sqm in >> trunk was tested and that perhaps its broken for all devices. >>=20 >> So I tested openwrt trunk on my Netgear 3700v2 and saw the same = results. >> Then I tried openwrt cc and got the same results. >>=20 >> Finally, I went to the reference implementation: cerowrt 3.10.50-1 on = my >> 3700v2. Same results. >>=20 >> So at this point I'm thinking there's a PEBKAC issue and I'm not = really >> turning it on. >>=20 >> Here's my enable procedure: >>=20 >> Go the sqm tab in the GUI and set egress and ingress to 10000, set = the >> interface to the upstream interface, click enable, click save and = apply. >> Everything else is left at default. ie fq_codel and simple.qos. >>=20 >> I've also tried a reboot after enabling those settings and then gone = back to >> the gui to verify they were still set. >>=20 >> My test setup: >>=20 >> Laptop<--1000BaseT-->DUT<--1000baseT-->Server >>=20 >> I run netperf-wrapper -H Server -l 30 rrul and look at the 'totals' = or 'all' >> plot. >>=20 >> If I run the above with this setup. >>=20 >> Laptop<--1000baseT-->Server >>=20 >> Then I get the expected 800-900Mbit/s with latencies < 15ms. So I = don't >> think there's a problem with my test infrastructure. >>=20 >> What am I missing and or what's the next step in figuring out whats = wrong? >>=20 >> -- >> Richard A. Smith >> _______________________________________________ >> Cerowrt-devel mailing list >> Cerowrt-devel@lists.bufferbloat.net >> https://lists.bufferbloat.net/listinfo/cerowrt-devel > _______________________________________________ > Cerowrt-devel mailing list > Cerowrt-devel@lists.bufferbloat.net > https://lists.bufferbloat.net/listinfo/cerowrt-devel