From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lj1-x232.google.com (mail-lj1-x232.google.com [IPv6:2a00:1450:4864:20::232]) (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 894C63B29D for ; Fri, 24 Apr 2020 14:43:25 -0400 (EDT) Received: by mail-lj1-x232.google.com with SMTP id j3so10989600ljg.8 for ; Fri, 24 Apr 2020 11:43:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=qFQJhjYwtvm03y0Ab1DsVmKyfQ16DkyL2VF/kyAwAfM=; b=rnwMKGQVbwxuuAt2QtVSvCUzGYSw9TepUq5sgFXu8cY2/4hAKOpQNroMuq3EJVEgSS RVU/ZGSGQzQSJuA45rPlLOx0h3t7qCpQFygyUiVa/cCkLcaTAaExLPFUjeKccU/8FBgQ J/B5cJNYY6Hk4apEMvSwzU7lgIdSWiBrNfdEAZyquCLbdZXgZCYOx9R/cLV5A9X+TbQB +nfXRkcYkWt+C9DtjQLjN2Uov9S2eXhcw9mI6XS0LzlSsDqNW4Pf59CU7XLk00WBaVx3 u1ktSBq6CNtYiDSZql/LoX8FFSExxbg1TOAsV8wnneDNe6KW8GMrH0sZ0BPYkEotXvzm dZ/g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=qFQJhjYwtvm03y0Ab1DsVmKyfQ16DkyL2VF/kyAwAfM=; b=QY4qbwnL1Y+W4npv0PiRMvF4zE4HK63lBTVzHOZ0iGvGGEyFnpjgpX7P30DekmzvrQ U1YD1SCoesCUXVG8sZN+Nevue0q2D7dfHQavUWTzBvniQmvwcpJKrqWjamoOhTGYQaqU 1UY0BM395Zb/y8kP3OCjo4vwJFOt0ze3KFTGOm4LYEyldlRX0E/4TTj1ifcdptpcNOya v83uDM+ty3xrgjqcaFINCuwBRhnD2ChJxLtT9QexKJDAuHzZPTrQavZ2g1k/b2Cj+pqC NUsQk4HCJkigp7QEkZRB1Zh8UnhqZZ82wRMrhU5bTAl6yWATL6+oBSGhKxybhzrEOYCu 5rDA== X-Gm-Message-State: AGi0PubaYrKBl6jhP1QkPSgnxB/pMjah/aqvDJdKYwIT2O96MgrvsGCq 245kYm9bR+oDd3TmcOM+1fw= X-Google-Smtp-Source: APiQypLPGgyYETxIFCWYd+uOK/xeQCC3eJyvKt15RqB/NRMJAzcwOEBITc2xtUfNWocAxV0FoZEJyg== X-Received: by 2002:a2e:9a82:: with SMTP id p2mr6840004lji.279.1587753804513; Fri, 24 Apr 2020 11:43:24 -0700 (PDT) Received: from jonathartonsmbp.lan (83-245-235-192-nat-p.elisa-mobile.fi. [83.245.235.192]) by smtp.gmail.com with ESMTPSA id m18sm5049290lfj.10.2020.04.24.11.43.23 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Fri, 24 Apr 2020 11:43:23 -0700 (PDT) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 11.5 \(3445.9.1\)) From: Jonathan Morton In-Reply-To: <0B51625096F92AF18CD397D9@[172.27.17.193]> Date: Fri, 24 Apr 2020 21:43:22 +0300 Cc: bloat Content-Transfer-Encoding: quoted-printable Message-Id: References: <431A84397F3D9C1EB097BCCE@[172.27.17.193]> <6F1F3C646A7DFD2CC8C9E79E@172.27.17.193> <0B51625096F92AF18CD397D9@[172.27.17.193]> To: Kenneth Porter X-Mailer: Apple Mail (2.3445.9.1) Subject: Re: [Bloat] this explains speedtest stuff 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: Fri, 24 Apr 2020 18:43:25 -0000 > On 24 Apr, 2020, at 7:22 pm, Kenneth Porter = wrote: >=20 > My next project will be to enable cake on my CentOS 7 box that just = got a new 45 Mbps symmetric fiber connection from AT&T ("Business in a = Box"). We upgraded from 1.5Mbps/128kbps ADSL. Any hints on what settings = to use? Fibre probably uses Ethernet-style framing, or at least it does at the = provisioning shaper. So the following settings should probably work = well: # outbound tc qdisc replace dev $WAN root cake bandwidth 44.5Mbit besteffort = dual-srchost nonat ethernet ack-filter # inbound tc qdisc replace dev $IFB4WAN root cake bandwidth 42Mbit besteffort = dual-dsthost nonat ethernet ingress With, of course, the usual redirecting of $WAN ingress to $IFB4WAN. The = dual-src/dsthost settings should share things nicely between different = users, including the server, even if one uses a lot more flows than = another. - Jonathan Morton