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 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 EFA9A21F27F for ; Mon, 30 Jun 2014 06:55:26 -0700 (PDT) Received: from u-089-cab204a2.am1.uni-tuebingen.de ([134.2.89.3]) by mail.gmx.com (mrgmx001) with ESMTPSA (Nemesis) id 0Lq9oW-1WOAdX3JM8-00dlk1; Mon, 30 Jun 2014 15:55:23 +0200 Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 6.6 \(1510\)) From: Sebastian Moeller In-Reply-To: <29573.1404134649@sandelman.ca> Date: Mon, 30 Jun 2014 15:55:27 +0200 Content-Transfer-Encoding: quoted-printable Message-Id: <002A4328-A358-4122-BCF8-F8C504C9C3F5@gmx.de> References: <30963.1403650134@sandelman.ca> <29573.1404134649@sandelman.ca> To: Michael Richardson X-Mailer: Apple Mail (2.1510) X-Provags-ID: V03:K0:K4DAzLe4xYA5GwLOKgi6Q5vKNzVFthyTVsUVZ3z5BA/klu8SrhH Ydykp/sSwn1UIt9xct8YxixMEv2+qEeW2CBcSpX0e/Ye4n62Y20EBcYkD/AXc6YNX6MV2/a kjuIo4J2RlZd8+idqtYSm39lfneCQXR4Q0Ezf04nr75yk7EIpfOpU6IC1PwWoggAjlsaNM8 merHdxIRh30d9ncbUhg+w== Cc: cerowrt-devel Subject: Re: [Cerowrt-devel] CeroWRT and "FTTN" 50/10 VDSL2 (aka "FIBE") 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: Mon, 30 Jun 2014 13:55:27 -0000 Hi Michael, On Jun 30, 2014, at 15:24 , Michael Richardson wrote: >=20 > Dave Taht wrote: >> The edgerouter (which has fq_codel in their 1.5 firmware release), >> doesn't. >=20 > Yes, I have one, and I've been thinking it might be a better choice = for me. >=20 >> (and I haven't got around to booting an openwrt version on it, their = firmware >> is 3.4 based) >=20 > good to know. >=20 >> That said I am seeing stuff that indicates inbound htb is = increasingly >> inaccurate on both products starting at about 20 mbit. (I had long >> assumed before now that it was a cpu limitation as I don't see this = on >> x86) The 36mbit number you got matches mine, try increasing the rate >> limit to 64mbits and see what happens. >=20 > I'll try that today. >=20 >> Also, please measure the bloat you get on the openrg without sqm.... = I >> would hope the downstream bloat is less horrible than cable modems. >=20 > Bell Canada and nortel ATM equipment is involved. Oh, that would be quite interesting vdsl2 and atm at the same = time. Could you by chance post the status page of your vdsl modem (the = more detailed the statistics the better)? (Typically vdsl2 should use = packet transfer mode (PTM) instead of ATM between modem and DSLAM, = though the DSLAM might still connected to an ATM fabric. It would be = interesting to measure whether you still "see" the effects of ATM = encapsulation along your link. At least in europe the ATM fabric seems on the way out and gets = replaced by ethernet links to the FTTC cabinets.=20 Note I think that your link will not require link layer adatations for = ATM (unless modem and slam talk atm that is). Best Regards sebastian >=20 >>> connection, but agreed to swap my IPv4/25 for an IPv4/28. >>> I moved all my IPv4 to traditional NAT'ed, IPv6 all around, and /32 >>> routed the IPv4 to the various machines that actually need it. >=20 >> nifty. When I get a /29 from comcast I don't have that ability, I = think. >> did you do that via proxy arp, or did they give you an ipv4 gateway >> and routed the /28 ? >=20 > v4 gateway and routed /28. >=20 >>> My PPPoE interface doesn't come up on it's own. What is the "@ge00" >>> part about? I'm doing it in /etc/rc.local, which has all sorts of >>> problems, including failing to include the pppoe-* interface into = the >>> iptables, etc. >=20 >> regrettably how pppoe works is a mystery to me. I'd nuke the @ge00 = and >> try creating the pppoe interface from the gui for a start. >=20 > I went through that... it's all there. Netifd just ignores it. >=20 >>> At this point my guess is that netifd has some kind of limit on the = number of >>> interfaces it will bring up. I have 27 interfaces in my the = ifconfig, >=20 >> Well there are other hard limits - for example ifb's number is = created by >> a line in /etc/modules.d/ (ifb numifbs=3D0) >=20 > okay, I'll try making that zero and see if that makes netifd happier. >=20 >>> including the 8 "ifbX" ones, the tun,tap, and my VLANs ("se00.XX") = and the >>> like. Maybe the number is around 16... I have been looking at = netifd source, >>> and I don't see any obvious struct interfaces[16] or something like = that. >=20 >> You definately aren't a typical user. >=20 >>> Is there a way to enable debugging on netifd? The -d option to it? >>> The /etc/rc.common stuff is... a bit impenetrable to me... >=20 >> Hit #openwrt-devel for questions - netifd is a rather complex state = machine. >=20 > I'll try there. > There used to be images/nightlies of barrier breaker, but I can't find = them > anymore. I have two authenticate 54GLs that I want to upgrade... >=20 > -- > ] Never tell me the odds! | ipv6 mesh = networks [ > ] Michael Richardson, Sandelman Software Works | network = architect [ > ] mcr@sandelman.ca http://www.sandelman.ca/ | ruby on = rails [ >=20 > _______________________________________________ > Cerowrt-devel mailing list > Cerowrt-devel@lists.bufferbloat.net > https://lists.bufferbloat.net/listinfo/cerowrt-devel