Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//RE: new draft: draft-liu-bonica-v6ops-dhcpv6-slaac-problem

Mikael Abrahamsson <swmike@swm.pp.se> Wed, 23 October 2013 18:50 UTC

Return-Path: <swmike@swm.pp.se>
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 B8A2811E8156 for <v6ops@ietfa.amsl.com>; Wed, 23 Oct 2013 11:50:52 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.599
X-Spam-Level:
X-Spam-Status: No, score=-2.599 tagged_above=-999 required=5 tests=[AWL=0.000, BAYES_00=-2.599]
Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id d6TlHVsseFAB for <v6ops@ietfa.amsl.com>; Wed, 23 Oct 2013 11:50:52 -0700 (PDT)
Received: from uplift.swm.pp.se (ipv6.swm.pp.se [IPv6:2a00:801::f]) by ietfa.amsl.com (Postfix) with ESMTP id 7051411E810B for <v6ops@ietf.org>; Wed, 23 Oct 2013 11:50:45 -0700 (PDT)
Received: by uplift.swm.pp.se (Postfix, from userid 501) id 7CD2A9C; Wed, 23 Oct 2013 20:50:43 +0200 (CEST)
Received: from localhost (localhost [127.0.0.1]) by uplift.swm.pp.se (Postfix) with ESMTP id 5DF359A; Wed, 23 Oct 2013 20:50:43 +0200 (CEST)
Date: Wed, 23 Oct 2013 20:50:43 +0200
From: Mikael Abrahamsson <swmike@swm.pp.se>
To: 神明達哉 <jinmei@wide.ad.jp>
In-Reply-To: <CAJE_bqcAKBy62tzXP1aHhoYK_p49Hdv434-6uR-gC6rczyr=JA@mail.gmail.com>
Message-ID: <alpine.DEB.2.02.1310232049130.1838@uplift.swm.pp.se>
References: <201310211245.r9LCj0B29668@ftpeng-update.cisco.com> <alpine.DEB.2.02.1310211454090.26825@uplift.swm.pp.se> <8AE0F17B87264D4CAC7DE0AA6C406F453D7CC14B@nkgeml506-mbx.china.huawei.com> <alpine.DEB.2.02.1310221511520.8663@uplift.swm.pp.se> <1382469405.56346.YahooMailNeo@web142504.mail.bf1.yahoo.com> <alpine.DEB.2.02.1310230533340.1838@uplift.swm.pp.se> <1382519509.39565.YahooMailNeo@web142502.mail.bf1.yahoo.com> <55F2A998-0417-4C19-B248-AA2A80EBF29C@cisco.com> <CAJE_bqcAKBy62tzXP1aHhoYK_p49Hdv434-6uR-gC6rczyr=JA@mail.gmail.com>
User-Agent: Alpine 2.02 (DEB 1266 2009-07-14)
Organization: People's Front Against WWW
MIME-Version: 1.0
Content-Type: MULTIPART/MIXED; BOUNDARY="-137064504-1772504458-1382554243=:1838"
Cc: "v6ops@ietf.org" <v6ops@ietf.org>, "draft-liu-bonica-v6ops-dhcpv6-slaac-problem@tools.ietf.org" <draft-liu-bonica-v6ops-dhcpv6-slaac-problem@tools.ietf.org>
Subject: Re: [v6ops] DHCPv6/SLAAC Make Hosts Confusing-//RE: new draft: draft-liu-bonica-v6ops-dhcpv6-slaac-problem
X-BeenThere: v6ops@ietf.org
X-Mailman-Version: 2.1.12
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: <http://www.ietf.org/mail-archive/web/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, 23 Oct 2013 18:50:52 -0000

On Wed, 23 Oct 2013, 神明達哉 wrote:

> implementation dependent, and IIRC the ISC DHCPv6 client
> unconditionally uses a /64 prefix when it configures a host's
> interface with the address assigned via DHCPv6.

Are you sure? I don't know what Ubuntu uses, but I have successfully 
gotten it to just get a single IA_NA + default gw, no /64 on the 
interface.

-- 
Mikael Abrahamsson    email: swmike@swm.pp.se