From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mout.gmx.net (mout.gmx.net [212.227.15.18]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "mout.gmx.net", Issuer "TeleSec ServerPass DE-1" (verified OK)) by huchra.bufferbloat.net (Postfix) with ESMTPS id B563D21F36E for ; Wed, 15 Oct 2014 06:39:31 -0700 (PDT) Received: from hms-beagle-6.lan ([134.2.89.70]) by mail.gmx.com (mrgmx003) with ESMTPSA (Nemesis) id 0MFMEG-1XQ3KW1b6q-00EIzQ; Wed, 15 Oct 2014 15:39:28 +0200 Content-Type: text/plain; charset=windows-1252 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Sebastian Moeller In-Reply-To: <543E624C.8070304@etorok.net> Date: Wed, 15 Oct 2014 15:39:27 +0200 Content-Transfer-Encoding: quoted-printable Message-Id: <4F0AE2A6-47C1-4733-9FD0-4D654E6E69BF@gmx.de> References: <1895D16A-1B0F-48C7-B4B5-6FC84CA92F43@gmx.de> <543E624C.8070304@etorok.net> To: =?windows-1252?Q?T=F6r=F6k_Edwin?= X-Mailer: Apple Mail (2.1878.6) X-Provags-ID: V03:K0:p/khPlacHKqc7/wOWjplgascSa1G6NBH3JvO4/4p6+uAGs38Y2x AoqzembZGHH0+r96SOWxPtq7R0vkF7mM/p4IoldZxZrOBhPUqfmY0D61g7GTx1v3qt3Ytfw NZc8h43Rn2m8bDv5JKPa8vV+/FVJtLtDrb3ykOK86VJMN9Y2x4TkMsA1tCbZGYKCowQ0RFc XYYeUxlfYPu2K/GF1A8ow== X-UI-Out-Filterresults: notjunk:1; Cc: cerowrt-devel@lists.bufferbloat.net Subject: Re: [Cerowrt-devel] SQM and PPPoE, more questions than answers... 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: Wed, 15 Oct 2014 13:40:00 -0000 Hi Edwin, On Oct 15, 2014, at 14:02 , T=F6r=F6k Edwin = wrote: > On 10/15/2014 03:03 AM, Sebastian Moeller wrote: >> I guess it is back to the drawing board to figure out how to = speed up the classification=85 and then revisit the PPPoE question = again=85 >=20 > FWIW I had to add this to /etc/config/network (done via luci = actually): > option keepalive '500 30' >=20 > Otherwise it uses these default values from /etc/ppp/options, and then = I hit: https://dev.openwrt.org/ticket/7793: > lcp-echo-failure 5 > lcp-echo-interval 1 >=20 > The symptomps are that if I start a large download after half a minute = or so pppd complains that it didn't receive reply to 5 LCP echo packets = and disconnects/reconnects. I have not yet seen these in the logs, but I will keep my eyes = open. > Sounds like the LCP echo/reply packets should get prioritized, but I = don't know if it is my router that is dropping them or my ISP. I think that is something we should be able to teach SQM (as = long as the shaper is running on the lower ethernet interface and not = the pppoe interface).=20 >=20 > When you tested PPPoE did you notice pppd dropping the connection and = restarting, cause that would affect the timings for sure=85 Nope, what I see is simply more variance in bandwidth and = latency numbers and a less step slope on a right shifted ICMP CDF=85 I = assume that the disconnect reconnects should show up as periods without = any data transfer=85.=20 Mmmh, I will try to put the PPP service packets into the highest = priority class and see whether that changes things, as well as testing = your PPP options. Thanks for your help Sebastian >=20 > Best regards, > --Edwin >=20 >=20 > _______________________________________________ > Cerowrt-devel mailing list > Cerowrt-devel@lists.bufferbloat.net > https://lists.bufferbloat.net/listinfo/cerowrt-devel