From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qk1-x731.google.com (mail-qk1-x731.google.com [IPv6:2607:f8b0:4864:20::731]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id 2A78F3B2A4 for ; Wed, 25 Mar 2020 01:01:42 -0400 (EDT) Received: by mail-qk1-x731.google.com with SMTP id v7so1396635qkc.0 for ; Tue, 24 Mar 2020 22:01:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=TeRo01dLs08y0V+py4DGwaRgYnk6JcRhhKtocuNz5+M=; b=oFNsb88AyYDlv6HNBKZ0rAvBSw1zW4aufuXCMR7jTtEnRfHS35RYB7HDk/tDduOHrd m8OZmXcCr7M7f08hFzhaq9b7Oq1y7byUeXnHJHkaW5qkcNPdM3bFPHRqwGqUM2123aD2 fyVsoUA9l83mb5FZ4KsM+/U52nNIhI1l7SLLLLZfxi2pXw42RJqiEEUEFGtPjYj4+X16 J1Ty+t2t8DytKnnL/uCJL/yDRE8NSgI6xd3PxRJ6Vszx8ebTIFf4VykR2FahgZKWfTDJ KZWjlU+9nd55spqk4G3Zdi0tU7lj8vntYsx1srSS+jaOhG/gn+989KvVYb23H2NK4N5A zpuQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=TeRo01dLs08y0V+py4DGwaRgYnk6JcRhhKtocuNz5+M=; b=QxUbe7yO+t7OGNli2HOXlUSblynS3kJe5aLjZvm9X61EVwq62JjJ8WfNgXAbAJwmU3 tqLfut3OiJMZYTTOeOFLxQ3xolWKC903zAD57dCIoJH1bKKZIMjZqtOcfF2xaIv7kSFd bHje21ppgVVKqpnWEdw9gqaC+Gnpr61Zq9y9go4oOEI5n99nGzegfh8a4xRJ+jzFC0+S iZSAK7vAx4kNPTh8arJA3FQCvwOwuYcQA91lyAokEHEIF4MG4Ndd8V+LLdyBYQ9YKcfQ znW5Kfz6QDmNPw8+Z+m90enJkg1DFIbVt+5IO9MjDTzho4opEWW4Rzc1DLxyXwDGMGn2 y80g== X-Gm-Message-State: ANhLgQ0Hz4mfSH8YcjQvumP6NrKDaRckLku1SndBzHkQVodQdq42YM1Q tH4DUKXmxUhpJJ11ggwfdTFNOC50GApAkjPmvZkaLhux X-Google-Smtp-Source: ADFU+vsYGib0n+vmEhYW4q23ftQCut28EtNV3XEtnCm9qobF2ywG1uA5JZisq4ggKwfVxe1HQ4jwFj/GReIbHpbn5pE= X-Received: by 2002:ae9:f007:: with SMTP id l7mr1307320qkg.11.1585112501352; Tue, 24 Mar 2020 22:01:41 -0700 (PDT) MIME-Version: 1.0 From: Aaron Wood Date: Tue, 24 Mar 2020 22:01:30 -0700 Message-ID: To: bloat Content-Type: multipart/alternative; boundary="000000000000927b4705a1a6c3ca" Subject: [Bloat] Still seeing bloat with a DOCSIS 3.1 modem 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, 25 Mar 2020 05:01:42 -0000 --000000000000927b4705a1a6c3ca Content-Type: text/plain; charset="UTF-8" I recently upgraded service from 150up, 10dn Mbps to xfinity's gigabit (with 35Mbps up) tier, and picked up a DOCSIS 3.1 modem to go with it. Flent test results are here: https://burntchrome.blogspot.com/2020/03/bufferbloat-with-comcast-gigabit-with.html tl/dr; 1000ms of upstream bufferbloat But it's DOCSIS 3.1, so why isn't PIE working? Theory: It's in DOCSIS 3.0 upstream mode based on the status LEDs. Hopefully it will go away if I can convince it to run in DOCSIS 3.1 mode. At the moment, however, my WRT1900AC isn't up to the task of dealing with these sorts of downstream rates. So I'm looking at the apu2, which from this post: https://forum.openwrt.org/t/comparative-throughput-testing-including-nat-sqm-wireguard-and-openvpn/44724 Will certainly get most of the way there. Although --000000000000927b4705a1a6c3ca Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
I recen= tly upgraded service from 150up, 10dn Mbps to xfinity's gigabit (with 3= 5Mbps up) tier, and picked up a DOCSIS 3.1 modem to go with it.

Flent test results are here:

tl/dr; =C2=A01000ms of upstream bufferbl= oat

But it's DOCSIS 3.1, so why isn't PIE = working?=C2=A0 Theory: =C2=A0It's in DOCSIS 3.0 upstream mode based on = the status LEDs.=C2=A0 Hopefully it will go away if I can convince it to ru= n in DOCSIS 3.1 mode.

At the moment, however, my W= RT1900AC isn't up to the task of dealing with these sorts of downstream= rates.

So I'm looking=C2=A0at the apu2, which= from this post:

Will certainly get= most of the way there.

Although
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