From owner-freebsd-hackers@FreeBSD.ORG Wed Jul 11 02:07:29 2012 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 3A9191065670 for ; Wed, 11 Jul 2012 02:07:29 +0000 (UTC) (envelope-from george@m5p.com) Received: from mailhost.m5p.com (ip-2-1-0-2.r03.asbnva02.us.ce.gin.ntt.net [IPv6:2001:418:0:5000::16]) by mx1.freebsd.org (Postfix) with ESMTP id E2D968FC16 for ; Wed, 11 Jul 2012 02:07:28 +0000 (UTC) Received: from wonderland.m5p.com (localhost [IPv6:::1]) by mailhost.m5p.com (8.14.4/8.14.4) with ESMTP id q6B27MfZ066372 for ; Tue, 10 Jul 2012 22:07:27 -0400 (EDT) (envelope-from george@m5p.com) Message-ID: <4FFCDFDA.60704@m5p.com> Date: Tue, 10 Jul 2012 22:07:22 -0400 From: George Mitchell User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:13.0) Gecko/20120623 Thunderbird/13.0.1 MIME-Version: 1.0 To: freebsd-hackers@freebsd.org References: <4FF18216.3070207@m5p.com> <4FF204B8.7020804@FreeBSD.org> <4FFCDC98.5070704@m5p.com> In-Reply-To: <4FFCDC98.5070704@m5p.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.2.7 (mailhost.m5p.com [IPv6:::1]); Tue, 10 Jul 2012 22:07:28 -0400 (EDT) X-Scanned-By: MIMEDefang 2.72 on 10.100.0.3 X-Mailman-Approved-At: Wed, 11 Jul 2012 02:15:43 +0000 Subject: Re: Browsing over IPv6 X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 11 Jul 2012 02:07:29 -0000 On 07/10/12 21:53, George Mitchell wrote: > On 07/02/12 16:29, Doug Barton wrote: >> On 07/02/2012 04:12, George Mitchell wrote: >> >>> I've been using IPv6 for quite a few years without problems and I've >>> had no difficulty browsing >> >> Many more sites are actually putting, or have put, IPv6 into production >> since the latest world IPv6 day last month. Some growing pains are >> inevitable. >> >> Doug >> > > This problem may be here in FreeBSD. Here's my setup: > > Me <--ethernet, MTU1500, native IPv6--> mattapan <-| > | > World <-- v6 in v4 tunnel, gif0, MTU1280-----------| > > (mattapan is my FreeBSD 8.2-STABLE router, "Me" is running 9.0-STABLE.) > If I run "route change -inet6 :: -mtu 1280" on "Me," everything starts > working again. Should this be necessary? -- George It turns out I can change /etc/rc.conf from: ipv6_defaultrouter="2001:418:3fd::fd" to: ipv6_defaultrouter="2001:418:3fd::fd -mtu 1280" and "fix" the problem. -- George