From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qt1-x82b.google.com (mail-qt1-x82b.google.com [IPv6:2607:f8b0:4864:20::82b]) (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 0B0CF3B2A4 for ; Thu, 28 Mar 2019 07:10:40 -0400 (EDT) Received: by mail-qt1-x82b.google.com with SMTP id w5so22451099qtb.11 for ; Thu, 28 Mar 2019 04:10:40 -0700 (PDT) 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=xKa5dn8sgNIqrlOI5tPBmi158pW9tEJgl3q8B68l5aQ=; b=fFbsBGyNqXOm0KpA5DIB/u+cKwhi/rZUUw9sChJTtftdZHSbjpo2VwPgha9WDwPMZ7 OpqPPtFUbTuINKoiWTy46hTeEr5Kw8QbUG6jeZHoqq3tRLjXmez2Y5mKvZs4F3MZcp8R qRG69SFAFLmCLpWaPKvRwZG4jKf9mCSXoRiPsxdBbYiX5GYIQzwKNRwjL8YM722aVOlU Mi6IhDjr9khsb3/w8lyJWVJdxCaWyzRbcCN3sdbS3z6RrQF3JB/JydC5GYkx8A1C4cdW BRudBOZKLnJp9D23A4KZkmqjF6uXWK+26CpgZS23+bPqnOdNBdWiNWI96daiUsUfTUBq 1jSQ== 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=xKa5dn8sgNIqrlOI5tPBmi158pW9tEJgl3q8B68l5aQ=; b=d1i6GKDVAfxxlcy6toZy0KtLyRBMAS+GFLR41NufyvRBZxsXQ4G83nURdI2nxOqZKd HeMOgeIrXCo9/LY9fDoZTixmpdQdx+jyxzoIuPRIbgZdXuJyk/rsz6mi+RB53zFczLwP yprz/RKScWOe7tuda0m0SRGns/Xk24SWSWIBJn3DTbNDYEvpi7oKzQ8jymlspePZzqQ0 4RGcZJarJqaZbgxZ2NfUfXYVpKDRsGcK4gyr3j/jK9d9pj5NL+vve2dY4x7svOt4Z3am V9EFDg6Sz0uAjzR3v3ypxCEovxE4SCG1+3Hzb7E3wSmcWDxQbXm3CSh1iVrJ+0dBlsR9 PDCw== X-Gm-Message-State: APjAAAVqzu8UV8eHUx6TzKFqTV7FleZ/+pS8XRvDKxEVnm/L8dbXNxBt wrh3Wfl0hnofLwp4085XL+Ar9HvgBj3R9mxva/6Q3MEIwU0= X-Google-Smtp-Source: APXvYqw48IUxjUu/U3E0TRu/mjbXwXG+nC/uzgYUwPBF1jcj7tMHq8TFbYBBE83sukDqPs3JjpD4yrJydbCX7IIEeos= X-Received: by 2002:a0c:94d0:: with SMTP id k16mr35922628qvk.158.1553771440548; Thu, 28 Mar 2019 04:10:40 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Dave Taht Date: Thu, 28 Mar 2019 04:10:28 -0700 Message-ID: To: cloneman Cc: bloat Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Subject: Re: [Bloat] unfixable bloat on Cable modem CODA-4680 (puma 7) 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: Thu, 28 Mar 2019 11:10:41 -0000 see badmodems.com On Thu, Mar 28, 2019 at 4:01 AM cloneman wrote: > > I'm getting a weird problem with this new modem , it's Docsis 3.1 > > latency/jitter measured via ping is about ~300ms during download pressure= of 3 http transfers. The latency doesn't appear on synthetic bufferbloat b= enchmarks, though. (dslreports ; 20ms ("A") > > question: trying to figure out why I'm seeing this particular behavior, a= nd determine if it'd a real issue or just an anomalie with ICMP traffic > > I've not seen ping do this with other modems. > > Perhaps I need to try some other traffic generation/ capture tools? > > > _______________________________________________ > Bloat mailing list > Bloat@lists.bufferbloat.net > https://lists.bufferbloat.net/listinfo/bloat --=20 Dave T=C3=A4ht CTO, TekLibre, LLC http://www.teklibre.com Tel: 1-831-205-9740