IETF Logo Mail Archive

Re: [v6ops] out-of-focus: why DHCPv6 breaks Android computers?

Ted Lemon <mellon@fugue.com> Tue, 29 October 2019 11:22 UTC

Return-Path: <mellon@fugue.com>
X-Original-To: v6ops@ietfa.amsl.com
Delivered-To: v6ops@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 3D40D120219 for <v6ops@ietfa.amsl.com>; Tue, 29 Oct 2019 04:22:18 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.899
X-Spam-Level:
X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=fugue-com.20150623.gappssmtp.com
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id TpA1fSSPntvP for <v6ops@ietfa.amsl.com>; Tue, 29 Oct 2019 04:22:16 -0700 (PDT)
Received: from mail-qt1-x82c.google.com (mail-qt1-x82c.google.com [IPv6:2607:f8b0:4864:20::82c]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id A60351201CE for <v6ops@ietf.org>; Tue, 29 Oct 2019 04:22:16 -0700 (PDT)
Received: by mail-qt1-x82c.google.com with SMTP id t26so9543312qtr.5 for <v6ops@ietf.org>; Tue, 29 Oct 2019 04:22:16 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fugue-com.20150623.gappssmtp.com; s=20150623; h=from:message-id:mime-version:subject:date:in-reply-to:cc:to :references; bh=b0DUm146W9OJdNaFf/3WeHOae6N3j85cuKadWhjQvxU=; b=Yw/5mmHKXtJuk09bnLve0nUIT/Hnic/x62zZSx9KOu06SIiIsctGt/ooEDoJMUqMTl oTnWU2pL1U2Ooxas4C4eJZ6LGDZpFhkbSEq1dYkAU23EGfE+soieW0VFYCk4k/0PodL0 ZLOKIqnSP3LnFN2vAvOmqgk8QRM02rrqfOhI14hrrQr4KthmXcTcZ6p5qKOTKMOGauEF 39Bc3pcXbAMg1TbDGfsvAM3xNowGPZTlV7joFGbRrpZ2dOI3Cfdy9IEXxNm5/gtRoGCe DGFoRYX6cKp917fFt2vqcJ/hqb0OqO2FPz3oxnxUyTGI07twatEcplg/WUnrqiBGbtoD DrfA==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:message-id:mime-version:subject:date :in-reply-to:cc:to:references; bh=b0DUm146W9OJdNaFf/3WeHOae6N3j85cuKadWhjQvxU=; b=qaPfjBwt9N4ybyjwHa5dIV7255ss4SLzXvnKi3Ktw2+Tj9anB4o3Y2abkGd7+cUORf Cvl7WDaAr8UAWTtZU9BXVmoTZhqGV6Nth384oMfnd6hBapBGlYnCJuxiDNztWclkcst1 0DmUBJjUW7tkX1/rxOef0P9rklab+RuspHGiXpvJQq2S4GoVBz+97naYhthqHp0xBahT EQSoDw6Q+aSpL7xWxmbhsZsprcwUzCCWhvSwmLj4vriRBHwnMbTIq1JwmaIrvcdg0Jie AIQBkIqjDR7Y4aTH8MhT2tlKb9GNdN7nCSpHDYV+jWBNtvIG9P7+0fxBadHrp/2EL4Bo ZyTg==
X-Gm-Message-State: APjAAAUZejFVDDYwnbYBv5Mr/jcGwjyESAffSqyDxJkfe3o2Oo3ltM9A KCRlAg/eHCzJtFFvq/t+FZwhUg==
X-Google-Smtp-Source: APXvYqzv6DyoEw2DjtCEecvJDPVVVg7O8Y9OMrutUEeBEU6G88jAtbmCYvIV854OYp03v/mpdffS3g==
X-Received: by 2002:a05:6214:16a:: with SMTP id y10mr2965831qvs.15.1572348135749; Tue, 29 Oct 2019 04:22:15 -0700 (PDT)
Received: from ?IPv6:2601:18b:300:36ee:505a:13c3:9370:5819? ([2601:18b:300:36ee:505a:13c3:9370:5819]) by smtp.gmail.com with ESMTPSA id v141sm9090260qka.59.2019.10.29.04.22.14 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 29 Oct 2019 04:22:15 -0700 (PDT)
From: Ted Lemon <mellon@fugue.com>
Message-Id: <8DA54CF0-B7D7-4E4B-BA85-EA024401DEAC@fugue.com>
Content-Type: multipart/alternative; boundary="Apple-Mail=_79EFD310-B5AB-49FD-821D-F00654458AEC"
Mime-Version: 1.0 (Mac OS X Mail 13.0 \(3600\))
Date: Tue, 29 Oct 2019 07:22:11 -0400
In-Reply-To: <b43f56b8-e5d6-b875-c594-656bc6ba0b45@gmail.com>
Cc: Jen Linkova <furry13@gmail.com>, "v6ops@ietf.org" <v6ops@ietf.org>
To: Alexandre Petrescu <alexandre.petrescu@gmail.com>
References: <2b617ab1-018a-8f03-4d8b-081c09c9c88a@gmail.com> <CAFU7BATuer=XutH-G0v0cSCqmcULU2UgHe9GGhS0OhUY2brU4A@mail.gmail.com> <b43f56b8-e5d6-b875-c594-656bc6ba0b45@gmail.com>
X-Mailer: Apple Mail (2.3600)
Archived-At: <https://mailarchive.ietf.org/arch/msg/v6ops/KbBNQWgzf4grZ1RG5DPWmYJEWFY>
Subject: Re: [v6ops] out-of-focus: why DHCPv6 breaks Android computers?
X-BeenThere: v6ops@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: v6ops discussion list <v6ops.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/v6ops>, <mailto:v6ops-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/v6ops/>
List-Post: <mailto:v6ops@ietf.org>
List-Help: <mailto:v6ops-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/v6ops>, <mailto:v6ops-request@ietf.org?subject=subscribe>
X-List-Received-Date: Tue, 29 Oct 2019 11:22:18 -0000

On Oct 29, 2019, at 6:37 AM, Alexandre Petrescu <alexandre.petrescu@gmail.com> wrote:
> Well no.  After  activating DHCPv6 on CPE the CPE sent three RAs
> changing the Lifetime and flipping the M(anaged) and A(utonomous) flags.
> 
> Packet dumps available upon request.

That’s the problem.   It should turn on the managed bit but not turn off the autonomous bit.  The two can validly be on at the same time.

Of course, since their meanings are deprecated, it’s not too surprising that implementations get this wrong.

v2.23.0 | Report a Bug | By Email