IETF Logo Mail Archive

Re: [v6ops] SLAAC renum: Problem Statement & Operational workarounds

Nick Hilliard <nick@foobar.org> Wed, 30 October 2019 11:26 UTC

Return-Path: <nick@foobar.org>
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 6F95D120110 for <v6ops@ietfa.amsl.com>; Wed, 30 Oct 2019 04:26:53 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -4.2
X-Spam-Level:
X-Spam-Status: No, score=-4.2 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
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 yYsyq1vVvQFE for <v6ops@ietfa.amsl.com>; Wed, 30 Oct 2019 04:26:51 -0700 (PDT)
Received: from mail.netability.ie (mail.netability.ie [IPv6:2a03:8900:0:100::5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id EE31212010C for <v6ops@ietf.org>; Wed, 30 Oct 2019 04:26:50 -0700 (PDT)
X-Envelope-To: v6ops@ietf.org
Received: from crumpet.foobar.org (089-101-070074.ntlworld.ie [89.101.70.74] (may be forged)) (authenticated bits=0) by mail.netability.ie (8.15.2/8.15.2) with ESMTPSA id x9UBQeXD046375 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO); Wed, 30 Oct 2019 11:26:41 GMT (envelope-from nick@foobar.org)
X-Authentication-Warning: cheesecake.ibn.ie: Host 089-101-070074.ntlworld.ie [89.101.70.74] (may be forged) claimed to be crumpet.foobar.org
To: Ole Troan <otroan@employees.org>
Cc: Ted Lemon <mellon@fugue.com>, v6ops@ietf.org
References: <m1iPlMZ-0000J5C@stereo.hq.phicoh.net> <FACE45EC-27FC-437A-A5BF-D800DF089B50@fugue.com> <837E9523-14FC-4F6C-88FC-DCC316265299@employees.org>
From: Nick Hilliard <nick@foobar.org>
Message-ID: <90576322-be50-b8b1-31dd-bb1ef870993d@foobar.org>
Date: Wed, 30 Oct 2019 11:26:39 +0000
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:52.0) Gecko/20100101 PostboxApp/7.0.8
MIME-Version: 1.0
In-Reply-To: <837E9523-14FC-4F6C-88FC-DCC316265299@employees.org>
Content-Type: text/plain; charset="utf-8"; format="flowed"
Content-Language: en-US
Content-Transfer-Encoding: 7bit
Archived-At: <https://mailarchive.ietf.org/arch/msg/v6ops/MBD7jJzovPLXdYvBL7q3XKkg-H8>
Subject: Re: [v6ops] SLAAC renum: Problem Statement & Operational workarounds
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: Wed, 30 Oct 2019 11:26:53 -0000

Ole Troan wrote on 30/10/2019 11:01:
> What a CPE does do, is to send an ICMP destination unreachable (5 -
> Source address failed ingress/egress policy) as the source address
> would violate the unicast RPC check. RFC7084, L-14.
what many, if not most, CPEs do is drop the flow on the ground and move 
on with life.

Nick

v2.23.0 | Report a Bug | By Email