From owner-freebsd-net@FreeBSD.ORG Tue Apr 23 17:46:15 2013 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id D70AC7C3 for ; Tue, 23 Apr 2013 17:46:15 +0000 (UTC) (envelope-from eric@vangyzen.net) Received: from aussmtpmrkpc120.us.dell.com (aussmtpmrkpc120.us.dell.com [143.166.82.159]) by mx1.freebsd.org (Postfix) with ESMTP id AD8F1136C for ; Tue, 23 Apr 2013 17:46:15 +0000 (UTC) X-Loopcount0: from 64.238.244.148 X-IronPort-AV: E=Sophos;i="4.87,536,1363150800"; d="scan'208";a="28535875" Message-ID: <5176C8A2.10106@vangyzen.net> Date: Tue, 23 Apr 2013 12:45:06 -0500 From: Eric van Gyzen User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:17.0) Gecko/20130413 Thunderbird/17.0.5 MIME-Version: 1.0 To: Mark Martinec Subject: Re: ipv6 default router Operation not permitted References: <20130312225018.GA13589@defiant.konundrum.org> <3ABB5AED-DEA9-42F6-82A1-FEA9E8BBBDCF@my.gd> <20130313091727.GA17859@defiant.konundrum.org> <201303131227.57751.Mark.Martinec+freebsd@ijs.si> In-Reply-To: <201303131227.57751.Mark.Martinec+freebsd@ijs.si> Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Cc: freebsd-net@freebsd.org X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 23 Apr 2013 17:46:15 -0000 On 03/13/2013 06:27, Mark Martinec wrote: > Having multiple IPv6 subnets on the same wire is asking for trouble. > > For example, I believe an ICMP redirect still (in 9.1) does not create > a temporary route: > http://www.freebsd.org/cgi/query-pr.cgi?pr=152791 > which beat us hard time (random unreachability between hosts), > having to rearrange that legacy segment which happened to have > two subnets on the same wire. It may be of little consolation now, but I posted patches for this. See the PR. Eric