From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-io1-xd2c.google.com (mail-io1-xd2c.google.com [IPv6:2607:f8b0:4864:20::d2c]) (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 C818C3B29D for ; Thu, 9 Jan 2020 18:45:12 -0500 (EST) Received: by mail-io1-xd2c.google.com with SMTP id i11so35543ioi.12 for ; Thu, 09 Jan 2020 15:45:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=Sc+/hJ1MuuEJ0AF9e2tLMrp/tUFq5JVZF/QMnr5eUrg=; b=ZJiDchhB096V2fyCsi/tssUi+0AGjFjSVDDaVzZWA4pDpYi605QrC50jOonjMkN6w+ Ai0REqUgwTd1nhFh6r9rleBqpx0eZ7eqR1T8NfDBPOvfEAVIrQg29hca7fWwpST0W4dT fZfkM2YXEe7f6apYPrq/O7EMOSl5CaCdQs71RWGV0CWsajH44NREV6FQ17Bm1Tb8jxlG rBxLS56C0ClVV6fOkAxPGXcV/lqiVcJEp4T3yXQLIrEQlGWaAnsfrBJFt0W28H9b5lkq ksD+IhXdldfES04jtJnxjQLm8t6d46wcK8qCvKcFrMJhh0oYTLQnhp/5P7S1D5v0TAlC sLFw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=Sc+/hJ1MuuEJ0AF9e2tLMrp/tUFq5JVZF/QMnr5eUrg=; b=BQHkDWhP8l3I7pkZzhov9+hZnFnWPeKu/S5lXAnBu57lFcUDSl8AJiHgVBCJf/+3Xz sZbbVtOVOs1ECc0gXmbXC3VG6dL43hCflwu9jbjtfpoIt9X2DqmU1zvBPN0ZNw0gmrlm b8CZ3ZRgCHVEIOwCF9PFocbZr15jN9u0wCDbjnTXydG7xy5beFHxleqsR0+7NDIuM1Ux CtUiqshSOHmFFovIteOOfwcO4uyajB0VgIq7NrGg6/mrhamuwkCRCQ+XkPE4p/SJnwR7 QarRCc0hI2Dhy2fbrW33TdRNe16rziatTo6F5DDYcGdq6gtK4RVsxIwV/fLFOfjukfGE 2IwA== X-Gm-Message-State: APjAAAXbQwW3Exg95Rx/Yw5fC1O4mPc/aZ6UXlAvoMW1mH7HqirA+lP/ /1chtpPhPDLyjiyesaCq04x+exd+pcndoTbX35Zvd+ctfs0= X-Google-Smtp-Source: APXvYqy9TTr9tuLasrYDYCho3gkwzUs9vdM2fsawr23mcsC7n2bD/xBiN7Y2nF/Gu21P41YYNttz/pUSM4Y9cC7PrLU= X-Received: by 2002:a02:6515:: with SMTP id u21mr259213jab.82.1578613512183; Thu, 09 Jan 2020 15:45:12 -0800 (PST) MIME-Version: 1.0 References: <80F6ABAB-EDDA-4B06-9014-D31E448FD027@akamai.com> <3644FEFF-F181-47A1-AD50-562662EEDCBA@heistp.net> In-Reply-To: <3644FEFF-F181-47A1-AD50-562662EEDCBA@heistp.net> From: Dave Taht Date: Thu, 9 Jan 2020 15:45:17 -0800 Message-ID: To: Pete Heist Cc: "Holland, Jake" , ECN-Sane Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Subject: Re: [Ecn-sane] osx not doing ecn for me X-BeenThere: ecn-sane@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: Discussion of explicit congestion notification's impact on the Internet List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 09 Jan 2020 23:45:12 -0000 On Thu, Jan 9, 2020 at 3:30 PM Pete Heist wrote: > > Mine negotiates it, but I=E2=80=99m stuck on 10.13. > > This likely isn=E2=80=99t the problem, but I=E2=80=99ve fallen for the tr= ap before that =E2=80=9Cnetstat -sp tcp=E2=80=9D needs to be run as root or= all counters show 0... No, that was the trap I'd fallen for. I'd seen it not attempt a couple negotiations (from looking at the packet captures), then ran that, and panicked! Thx!!!! > > On Jan 9, 2020, at 10:41 PM, Holland, Jake wrote: > > > > Are you sure it's not just temporarily held down? > > > > IIRC Padma said they shut it off for something like an hour or 3 > > whenever they notice an "anomaly", according to a bunch of heuristics > > that can occasionally hit false positives: > > https://datatracker.ietf.org/meeting/98/materials/slides-98-maprg-tcp-e= cn-experience-with-enabling-ecn-on-the-internet-padma-bhooma-00.pdf > > > > Anyway, my mac still asks for ECN, fwiw. My sysctls say it like this, > > and tweaking them I would imagine would change it around in ways I'd > > want to check if I had done anything to them: > > > > net.inet.tcp.ecn_timeout: 60 > > net.inet.tcp.ecn_setup_percentage: 100 > > net.inet.tcp.ecn_initiate_out: 2 > > net.inet.tcp.ecn_negotiate_in: 2 > > > > HTH. > > > > -Jake > > > > =EF=BB=BFOn 2020-01-09, 13:18, "Dave Taht" wrote: > > > > sometime in the last three months my osx box stopped attempting ecn neg= otiation. > > > > It would to verify if its working or not on other osx and ios boxes. > > > > -- > > Make Music, Not War > > > > Dave T=C3=A4ht > > CTO, TekLibre, LLC > > http://www.teklibre.com > > Tel: 1-831-435-0729 > > _______________________________________________ > > Ecn-sane mailing list > > Ecn-sane@lists.bufferbloat.net > > https://lists.bufferbloat.net/listinfo/ecn-sane > > > > _______________________________________________ > > Ecn-sane mailing list > > Ecn-sane@lists.bufferbloat.net > > https://lists.bufferbloat.net/listinfo/ecn-sane > --=20 Make Music, Not War Dave T=C3=A4ht CTO, TekLibre, LLC http://www.teklibre.com Tel: 1-831-435-0729