From owner-freebsd-net@FreeBSD.ORG Fri Mar 18 16:35:21 2011 Return-Path: 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 22041106566C for ; Fri, 18 Mar 2011 16:35:21 +0000 (UTC) (envelope-from eugene@zhegan.in) Received: from elf.hq.norma.perm.ru (mail.norman-vivat.ru [89.250.210.68]) by mx1.freebsd.org (Postfix) with ESMTP id 741188FC13 for ; Fri, 18 Mar 2011 16:35:20 +0000 (UTC) Received: from bsdrookie.norma.com. (bsdrookie.hq.norma.perm.ru [192.168.7.246]) by elf.hq.norma.perm.ru (8.14.3/8.14.3) with ESMTP id p2IGZGGM064908 (version=TLSv1/SSLv3 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO) for ; Fri, 18 Mar 2011 21:35:17 +0500 (YEKT) (envelope-from eugene@zhegan.in) Message-ID: <4D8389C4.8050408@zhegan.in> Date: Fri, 18 Mar 2011 21:35:16 +0500 From: "Eugene M. Zheganin" User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.9.2.8) Gecko/20100917 Thunderbird/3.1.2 MIME-Version: 1.0 To: freebsd-net@freebsd.org References: <4D8370AB.1070000@zhegan.in> <20110318115748.708aee22@shibato.opal.com> In-Reply-To: <20110318115748.708aee22@shibato.opal.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.3 (elf.hq.norma.perm.ru [192.168.3.10]); Fri, 18 Mar 2011 21:35:17 +0500 (YEKT) X-Callback: Sender verified by milter-callback 1.5.14 at elf.hq.norma.perm.ru. X-Callback-Status: relay [192.168.7.246] found in white list. X-Callback-Envelope-From: eugene@zhegan.in X-Spam-Status: No hits=-2.9 bayes=0.0000 testhits ALL_TRUSTED=-1, BAYES_00=-1.9 autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on elf.hq.norma.perm.ru Subject: Re: ipv6, stateful config and non-default prefixlen X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 18 Mar 2011 16:35:21 -0000 Hi. On 18.03.2011 20:57, J.R. Oldroyd wrote: > You don't say what prefix length rtadvd is sending or that you're seeing > in the wireshark log. > > Do you have prefixlen#120 in your rtadvd.conf? Yup. rtadvd.conf from router: default: :raflags#192: vlan1:\ :addr="fd00::0300":prefixlen#120:raflags#192: vlan15:\ :addr="fd00::0700":prefixlen#120:raflags#192: Output from my desktop FreeBSD (nfe0 is in the network that router is connected with vlan15): %ps ax | grep dhc 25642 ?? Is 0:00,01 dhclient: nfe0 [priv] (dhclient) 25660 ?? Is 0:00,01 dhclient: nfe0 (dhclient) 25672 ?? Is 0:00,01 /usr/local/sbin/dhclient -6 nfe0 %ifconfig nfe0 nfe0: flags=8943 metric 0 mtu 1500 options=82008 ether 00:1d:7d:92:45:84 inet6 fe80::21d:7dff:fe92:4584%nfe0 prefixlen 64 scopeid 0x3 inet 192.168.7.246 netmask 0xffffff00 broadcast 192.168.7.255 inet6 fd00::7d2 prefixlen 64 nd6 options=3 media: Ethernet autoselect (100baseTX ) status: active %ndp -p fd00::/64 if=nfe0 flags=LO vltime=infinity, pltime=infinity, expire=Never, ref=1 No advertising router fd00::700/120 if=nfe0 flags=LAO vltime=2592000, pltime=604800, expire=29d23h55m11s, ref=0 advertised by fe80::204:23ff:febc:840c%nfe0 (reachable) fe80::%nfe0/64 if=nfe0 flags=LAO vltime=infinity, pltime=infinity, expire=Never, ref=0 No advertising router fe80::%lo0/64 if=lo0 flags=LAO vltime=infinity, pltime=infinity, expire=Never, ref=0 No advertising router So it's shown here that no router advertises fd00::/64. Furthermore, I can assure you that this address isn't the result of misconfiguration - it is provided by the dhclient. Eugene.