From owner-freebsd-hackers Fri Feb 22 13:46:40 2002 Delivered-To: freebsd-hackers@freebsd.org Received: from topaz.mdcc.cx (topaz.mdcc.cx [212.204.230.141]) by hub.freebsd.org (Postfix) with ESMTP id E85B437B417; Fri, 22 Feb 2002 13:46:25 -0800 (PST) Received: from k7.mavetju.org (topaz.mdcc.cx [212.204.230.141]) by topaz.mdcc.cx (Postfix) with ESMTP id 905B12B6BE; Fri, 22 Feb 2002 22:46:21 +0100 (CET) Received: by k7.mavetju.org (Postfix, from userid 1001) id 8511D247; Sat, 23 Feb 2002 08:46:16 +1100 (EST) Date: Sat, 23 Feb 2002 08:46:16 +1100 From: Edwin Groothuis To: "JINMEI Tatuya / ?$B?@L@C#:H?(B" Cc: freebsd-hackers@FreeBSD.ORG, freebsd-net@FreeBSD.ORG Subject: Re: IPv6-over-IPv4 problems since the upgrade to 4.5 Message-ID: <20020223084616.G492@k7.mavetju.org> Mail-Followup-To: Edwin Groothuis , "JINMEI Tatuya / ?$B?@L@C#:H?(B" , freebsd-hackers@FreeBSD.ORG, freebsd-net@FreeBSD.ORG References: <0D9185CE635BD511ACA50090277A6FCF1359DB@axcs18.cos.agilent.com> <20020216130842.A19081@energyhq.homeip.net> <20020217122510.D491@k7.mavetju.org> <20020222234829.F492@k7.mavetju.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: ; from jinmei@isl.rdc.toshiba.co.jp on Fri, Feb 22, 2002 at 11:49:59PM +0900 Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Fri, Feb 22, 2002 at 11:49:59PM +0900, JINMEI Tatuya / ?$B?@L@C#:H?(B wrote: > >>>>> On Fri, 22 Feb 2002 23:48:29 +1100, > >>>>> Edwin Groothuis said: > > >> > I found what caused this. he.net uses the "route add -inet6 default > >> > " statement while freenet6.net uses "route add -inet6 > >> > default -interface gif0" statement. > >> > >> Could you tell me the exact address of ? Is it a > >> link-local address, or a global one? > > > Routing tables: > > default 3ffe:b80:2:460::1 UGSc gif0 > > 3ffe:b80:2:460::1 3ffe:b80:2:460::2 UH gif0 > > 3ffe:b80:2:460::2 link#9 UHL lo0 > > > And the interface configuration: > > gif0: flags=8051 mtu 1280 > > tunnel inet 203.173.130.126 --> 206.123.31.114 > > inet6 fe80::250:8bff:feb9:2d24%gif0 prefixlen 64 scopeid 0x9 > > inet6 3ffe:b80:2:460::2 --> 3ffe:b80:2:460::1 prefixlen 128 > > Hmm, and what command did you type to cause this problem? If possible, > please give me the network topology as well. The problem was when "route add -inet6 default -interface gif0" was used instead of the "route ... ". For the rest the configuration and the commands were the same. This is a layout of the 'network': +----------------------------------------------+ |MyBox | |----------------------------------------------| +- ISP ---|tun0 by ppp: | | | - 203.173.130.71/24 -> 203.56.8.99 | | | - fe80::250:8bff:feb9:2d24%tun0 prefixlen 64 | | |gif0 tunnel to 206.123.31.114 via tun0 | | | - 3ffe:b80:2:460::2 prefixlen 128 | | |vmnet1: | Internet | - 192.168.0.1/24 | | | - fe80::250:8bff:feb9:2d24%tun0 prefixlen 64 | | |fxp0: |--- Mac with | | - 192.168.1.1/24 | 192.168.1.2 | | - fe80::250:8bff:feb9:2d24%fxp0 prefixlen 64 | | +----------------------------------------------+ | | | +----------------------------------------------+ | |FreeNet6.net | | |----------------------------------------------+ +- ISP ---|some interface | | - 206.123.31.114/something | |IPv6 tunnel to 203.173.130.71 | | - 3ffe:b80:2:460::1 prefixlen 128 | +----------------------------------------------+ The symptons were that if I setup a TCP-session, the original message is at: http://www.freebsd.org/cgi/getmsg.cgi?fetch=279914+284924+/usr/local/www/db/text/2002/freebsd-hackers/20020217.freebsd-hackers Thanks for your questions, Edwin -- Edwin Groothuis | Personal website: http://www.MavEtJu.org edwin@mavetju.org | Interested in MUDs? Visit Fatal Dimensions: ------------------+ http://www.FatalDimensions.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message