From owner-freebsd-net@FreeBSD.ORG Sat Aug 28 22:29:31 2010 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 15D851065674 for ; Sat, 28 Aug 2010 22:29:31 +0000 (UTC) (envelope-from ticso@cicely7.cicely.de) Received: from raven.bwct.de (raven.bwct.de [85.159.14.73]) by mx1.freebsd.org (Postfix) with ESMTP id BAE538FC15 for ; Sat, 28 Aug 2010 22:29:30 +0000 (UTC) Received: from mail.cicely.de ([10.1.1.37]) by raven.bwct.de (8.13.4/8.13.4) with ESMTP id o7SMTT3D006679 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Sun, 29 Aug 2010 00:29:29 +0200 (CEST) (envelope-from ticso@cicely7.cicely.de) Received: from cicely7.cicely.de (cicely7.cicely.de [10.1.1.9]) by mail.cicely.de (8.14.4/8.14.4) with ESMTP id o7SMTQ4H098594 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Sun, 29 Aug 2010 00:29:26 +0200 (CEST) (envelope-from ticso@cicely7.cicely.de) Received: from cicely7.cicely.de (localhost [127.0.0.1]) by cicely7.cicely.de (8.14.2/8.14.2) with ESMTP id o7SMTQWk005609; Sun, 29 Aug 2010 00:29:26 +0200 (CEST) (envelope-from ticso@cicely7.cicely.de) Received: (from ticso@localhost) by cicely7.cicely.de (8.14.2/8.14.2/Submit) id o7SMTQvI005608; Sun, 29 Aug 2010 00:29:26 +0200 (CEST) (envelope-from ticso) Date: Sun, 29 Aug 2010 00:29:26 +0200 From: Bernd Walter To: freebsd-net@freebsd.org Message-ID: <20100828222926.GF82417@cicely7.cicely.de> References: <20100828220844.GE82417@cicely7.cicely.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20100828220844.GE82417@cicely7.cicely.de> X-Operating-System: FreeBSD cicely7.cicely.de 7.0-STABLE i386 User-Agent: Mutt/1.5.11 X-Spam-Status: No, score=-2.9 required=5.0 tests=ALL_TRUSTED=-1, BAYES_00=-1.9, T_RP_MATCHES_RCVD=-0.01 autolearn=ham version=3.3.0 X-Spam-Checker-Version: SpamAssassin 3.3.0 (2010-01-18) on spamd.cicely.de Cc: Bernd Walter Subject: Re: Problem with link-local addresses on USB interfaces X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: ticso@cicely.de List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 28 Aug 2010 22:29:31 -0000 On Sun, Aug 29, 2010 at 12:08:44AM +0200, Bernd Walter wrote: > cicely13# ifconfig > re0: flags=8843 metric 0 mtu 1500 > options=399b > ether 00:01:08:00:79:92 > inet 10.1.1.15 netmask 0xffffff00 broadcast 10.1.1.255 > inet6 fe80::201:8ff:fe00:7992%re0 prefixlen 64 scopeid 0x1 > inet6 2002:559f:e31:1::15 prefixlen 64 > nd6 options=21 > media: Ethernet autoselect (1000baseT ) > status: active > lo0: flags=8049 metric 0 mtu 16384 > options=3 > inet 127.0.0.1 netmask 0xff000000 > inet6 ::1 prefixlen 128 > inet6 fe80::1%lo0 prefixlen 64 scopeid 0x2 > nd6 options=21 > ue0: flags=8943 metric 0 mtu 1500 > ether 2a:44:14:0c:74:00 > inet6 fe80::2844:14ff:fe0c:7400%ue0 prefixlen 64 scopeid 0x3 > nd6 options=29 > ue1: flags=8843 metric 0 mtu 1500 > options=80000 > ether 00:06:07:14:47:ff > inet6 fe80::206:7ff:fe14:47ff%ue1 prefixlen 64 scopeid 0x4 > nd6 options=29 > media: Ethernet autoselect (100baseTX ) > status: active > > cicely13# ping6 -c 1 fe80::201:8ff:fe00:7992%re0 > PING6(56=40+8+8 bytes) fe80::201:8ff:fe00:7992%re0 --> fe80::201:8ff:fe00:7992%re0 > 16 bytes from fe80::201:8ff:fe00:7992%re0, icmp_seq=0 hlim=64 time=0.760 ms > > --- fe80::201:8ff:fe00:7992%re0 ping6 statistics --- > 1 packets transmitted, 1 packets received, 0.0% packet loss > round-trip min/avg/max/std-dev = 0.760/0.760/0.760/0.000 ms > > cicely13# ping6 -c 1 fe80::1%lo0 > PING6(56=40+8+8 bytes) fe80::1%lo0 --> fe80::1%lo0 > 16 bytes from fe80::1%lo0, icmp_seq=0 hlim=64 time=0.939 ms > > --- fe80::1%lo0 ping6 statistics --- > 1 packets transmitted, 1 packets received, 0.0% packet loss > round-trip min/avg/max/std-dev = 0.939/0.939/0.939/0.000 ms > > [71]cicely13# ping6 -c 1 fe80::2844:14ff:fe0c:7400%ue0 > PING6(56=40+8+8 bytes) fe80::2844:14ff:fe0c:7400%ue0 --> fe80::2844:14ff:fe0c:7400%ue0 > > --- fe80::2844:14ff:fe0c:7400%ue0 ping6 statistics --- > 1 packets transmitted, 0 packets received, 100.0% packet loss > Exit 2 > > [72]cicely13# ping6 -c 1 fe80::206:7ff:fe14:47ff%ue1 > PING6(56=40+8+8 bytes) fe80::206:7ff:fe14:47ff%ue1 --> fe80::206:7ff:fe14:47ff%ue1 > > --- fe80::206:7ff:fe14:47ff%ue1 ping6 statistics --- > 1 packets transmitted, 0 packets received, 100.0% packet loss > Exit 2 > > Only the PCI and loopback interface responds to their own link local > address. > > I'm also puzzled about what I need to configure on an interface > to get an link-local address. > I've finally put ifconfig_ue0/1="UP" into rc.conf. I can't even ping my own non unicast addresses: ue0: flags=8943 metric 0 mtu 1500 ether 2a:44:14:0c:74:00 inet6 fe80::2844:14ff:fe0c:7400%ue0 prefixlen 64 scopeid 0x3 inet6 2002:559f:e31:2::15 prefixlen 64 tentative nd6 options=29 ue1: flags=8843 metric 0 mtu 1500 options=80000 ether 00:06:07:14:47:ff inet6 fe80::206:7ff:fe14:47ff%ue1 prefixlen 64 scopeid 0x4 inet6 2002:559f:e31:3::15 prefixlen 64 tentative nd6 options=29 media: Ethernet autoselect (100baseTX ) status: active [92]cicely13# ping6 2002:559f:e31:3::15 PING6(56=40+8+8 bytes) 2002:559f:e31:1::15 --> 2002:559f:e31:3::15 ^C --- 2002:559f:e31:3::15 ping6 statistics --- 3 packets transmitted, 0 packets received, 100.0% packet loss [93]cicely13# ping6 2002:559f:e31:2::15 PING6(56=40+8+8 bytes) 2002:559f:e31:1::15 --> 2002:559f:e31:2::15 ^C --- 2002:559f:e31:2::15 ping6 statistics --- 2 packets transmitted, 0 packets received, 100.0% packet loss And why are those declared to be tentative? I just configured them with ifconfig as I used to do. -- B.Walter http://www.bwct.de Modbus/TCP Ethernet I/O Baugruppen, ARM basierte FreeBSD Rechner uvm.