From owner-freebsd-net@FreeBSD.ORG  Mon Nov 22 11:35:07 2010
Return-Path: <owner-freebsd-net@FreeBSD.ORG>
Delivered-To: freebsd-net@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 2352C106566B
	for <freebsd-net@freebsd.org>; Mon, 22 Nov 2010 11:35:07 +0000 (UTC)
	(envelope-from sthaug@nethelp.no)
Received: from bizet.nethelp.no (bizet.nethelp.no [195.1.209.33])
	by mx1.freebsd.org (Postfix) with SMTP id 5384E8FC0C
	for <freebsd-net@freebsd.org>; Mon, 22 Nov 2010 11:35:05 +0000 (UTC)
Received: (qmail 22337 invoked from network); 22 Nov 2010 11:35:04 -0000
Received: from bizet.nethelp.no (HELO localhost) (195.1.209.33)
	by bizet.nethelp.no with SMTP; 22 Nov 2010 11:35:04 -0000
Date: Mon, 22 Nov 2010 12:35:04 +0100 (CET)
Message-Id: <20101122.123504.71173505.sthaug@nethelp.no>
To: siquijorphilips@gmail.com
From: sthaug@nethelp.no
In-Reply-To: <AANLkTimXsHgs6qo-ALwZWpNLvO0EgJ0Uq8pGJ22++Gx7@mail.gmail.com>
References: <AANLkTimty_mO_kD1jxXo--vLbtzyZrVofy=yCPxuMXk3@mail.gmail.com>
	<20101122.090147.74675296.sthaug@nethelp.no>
	<AANLkTimXsHgs6qo-ALwZWpNLvO0EgJ0Uq8pGJ22++Gx7@mail.gmail.com>
X-Mailer: Mew version 3.3 on Emacs 21.3 / Mule 5.0 (SAKAKI)
Mime-Version: 1.0
Content-Type: Text/Plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
Cc: freebsd-net@freebsd.org
Subject: Re: How to generate IPv6 RA without any prefixes?
X-BeenThere: freebsd-net@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Networking and TCP/IP with FreeBSD <freebsd-net.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-net>,
	<mailto:freebsd-net-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-net>
List-Post: <mailto:freebsd-net@freebsd.org>
List-Help: <mailto:freebsd-net-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-net>,
	<mailto:freebsd-net-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 22 Nov 2010 11:35:07 -0000

> >> Oh I see. I haven't tried this case with FreeBSD configuring RA with
> >> default route info only. So, how your Juniper router coordinate your
> >> DHCPv6 server to inform the hosts or nodes where to get prefix info
> >> since then your router wasn't configured with pinfoflags options?
> >
> > The router sends RAs with the "managed" flag, in the RA header (not
> > connected to any specific prefix). This tells the clients that they
> > should attempt DHCPv6 configuration.
> >
> >> Or
> >> the hosts are just configured with DHCPv6 client informing directly
> >> the DHCPv6 server for IPv6 address info while its default route is
> >> obtainable via RA through SLAAC?
> >
> > The default route and the "managed" flag come from RA. The rest from
> > the DHCPv6 server.
> >
> > Some of us would *like* DHCPv6 to be able to work without RA - but that
> > is a different (religious) discussion.
> 
> Thanks for the explanation Steinar, this is clear to me now. So, as
> what other folks have suggested, I think you can proceed with issuing
> a PR to this.

http://www.freebsd.org/cgi/query-pr.cgi?pr=152458

Steinar Haug, Nethelp consulting, sthaug@nethelp.no