From owner-freebsd-current@FreeBSD.ORG Mon Apr 5 06:02:01 2010 Return-Path: Delivered-To: freebsd-current@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 732631065672 for ; Mon, 5 Apr 2010 06:02:01 +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 A79568FC18 for ; Mon, 5 Apr 2010 06:02:00 +0000 (UTC) Received: (qmail 23466 invoked from network); 5 Apr 2010 06:01:58 -0000 Received: from bizet.nethelp.no (HELO localhost) (195.1.209.33) by bizet.nethelp.no with SMTP; 5 Apr 2010 06:01:58 -0000 Date: Mon, 05 Apr 2010 08:01:58 +0200 (CEST) Message-Id: <20100405.080158.74730374.sthaug@nethelp.no> To: dougb@FreeBSD.org From: sthaug@nethelp.no In-Reply-To: <4BB955EB.9090000@FreeBSD.org> References: <20100404.184141.03733377.hrs@allbsd.org> <20100404.115158.74708010.sthaug@nethelp.no> <4BB955EB.9090000@FreeBSD.org> 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-current@FreeBSD.org, hrs@FreeBSD.org Subject: Re: ipv6_enable X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 05 Apr 2010 06:02:01 -0000 > >> No, my intension is not to compare IPv4 and IPv6 here. We have never > >> enable L3 address autoconfiguration without explicit configuration > >> before. This is reasonable and should be kept for IPv6, too. > > > > Agree 100%. Having IPv6 SLAAC as the default is a bad idea. > > > > On the other hand, I *do* like a single rc.conf knob (ipv6_enable) for > > the top level IPv6 functionality - even if it doesn't do a 100% job. > > Thanks for your response. Do you think the compromise that I suggested > in my response to Kevin, enabling SLAAC for the interface if DHCP is in > use for IPv4 is reasonable? I think this is reasonable. However, I think it would also be worth while to revisit this point when DHCPv6 has evolved to do a more complete job (like assign a default gateway). Steinar Haug, Nethelp consulting, sthaug@nethelp.no