From owner-freebsd-net@FreeBSD.ORG Fri Jul 25 23:48:18 2014 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 4049690C for ; Fri, 25 Jul 2014 23:48:18 +0000 (UTC) Received: from mail.bsdinfo.com.br (mail.bsdinfo.com.br [67.212.89.78]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 112562BE4 for ; Fri, 25 Jul 2014 23:48:17 +0000 (UTC) Received: from mail.bsdinfo.com.br (mail.bsdinfo.com.br [127.0.0.1]) by mail.bsdinfo.com.br (Postfix) with ESMTP id 03DE8139CB for ; Fri, 25 Jul 2014 20:39:43 -0300 (BRT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=bsdinfo.com.br; h=content-transfer-encoding:content-type:content-type:subject :subject:to:mime-version:user-agent:from:from:date:date :message-id; s=dkim; t=1406331582; x=1407195583; bh=zUlfQkTSFWhi eNOsTGU68iyVziGjti/kMMZLc8BqKOY=; b=fuHXjSIG/ln03mviMH1QImS4rcpg pYROnn9lJz/uHutyp4O4hq0NxXWBhbuXflut+taSfa2+DpNOlqkxGwlRFV4Rn9cF LEZMuYMKzM5UwpkgROsLLp5Sb5bwuPa0kLYRf4fZ43m3WOQisqg5u05To7RpP/OR TnKqx9v9SO8Ixlg= X-Virus-Scanned: amavisd-new at mail.bsdinfo.com.br Received: from mail.bsdinfo.com.br ([127.0.0.1]) by mail.bsdinfo.com.br (mail.bsdinfo.com.br [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Z3RvVYuR9vsw for ; Fri, 25 Jul 2014 20:39:42 -0300 (BRT) Received: from [192.168.10.208] (unknown [186.193.54.69]) by mail.bsdinfo.com.br (Postfix) with ESMTPSA id ECF00139CA for ; Fri, 25 Jul 2014 20:39:41 -0300 (BRT) Message-ID: <53D2EAAF.8070707@bsdinfo.com.br> Date: Fri, 25 Jul 2014 20:39:27 -0300 From: Marcelo Gondim User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: FreeBSD Net Subject: IPv6 alias do not respond from outside Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.18 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, 25 Jul 2014 23:48:18 -0000 Dear, I'm having the following problem: Host A (my network): =================== em0: flags=8843 metric 0 mtu 1500 options=4219b ether 00:1e:67:30:ea:27 inet 186.xxx.48.3 netmask 0xffffffe0 broadcast 186.xxx.48.31 inet6 fe80::21e:67ff:fe30:ea27%em0 prefixlen 64 scopeid 0x1 inet6 2805:xxxx:dead::3 prefixlen 64 inet 186.xxx.48.4 netmask 0xffffffff broadcast 186.xxx.48.4 inet 186.xxx.48.5 netmask 0xffffffff broadcast 186.xxx.48.5 inet6 2805:xxxx:dead::5 prefixlen 64 inet6 2805:xxxx:dead::4 prefixlen 64 nd6 options=21 media: Ethernet autoselect (1000baseT ) status: active Router (Internet): =============== vlan0: flags=8843 metric 0 mtu 1500 options=303 ether 00:1b:21:89:25:32 inet 186.xxx.48.1 netmask 0xffffffe0 broadcast 186.xxx.48.31 inet6 fe80::21b:21ff:fe89:2532%vlan0 prefixlen 64 scopeid 0x10 inet6 2805:xxxx:dead::1 prefixlen 64 nd6 options=21 media: Ethernet autoselect (10Gbase-SR ) status: active vlan: 3081 parent interface: ix0 Host B (Datacenter OVH): ====================== eth0 Link encap:Ethernet HWaddr 00:27:0e:36:67:ae inet addr:91.xxx.115.215 Bcast:91.xxx.115.255 Mask:255.255.255.0 inet6 addr: fe80::227:eff:fe36:67ae/64 Scope:Link inet6 addr: 2001:xxxx:1:aad7::1/64 Scope:Global UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:680611577 errors:0 dropped:115467 overruns:0 frame:0 TX packets:410997111 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:929626301412 (865.7 GiB) TX bytes:28858569748 (26.8 GiB) If I try to ping the origin Host Bto destination 2805:xxxx:dead::3, I get an answer correctly: (hostb)# ping6 2805:xxxx:dead::3 PING 2805:xxxx:dead::3(2805:xxxx:dead::3) 56 data bytes 64 bytes from 2805:xxxx:dead::3: icmp_seq=1 ttl=55 time=219 ms 64 bytes from 2805:xxxx:dead::3: icmp_seq=2 ttl=55 time=218 ms 64 bytes from 2805:xxxx:dead::3: icmp_seq=3 ttl=55 time=219 ms 64 bytes from 2805:xxxx:dead::3: icmp_seq=4 ttl=55 time=218 ms But it does not ping 2805:xxxx:dead::4 and 2805:xxxx:dead::5: (hostb)# ping6 2805:xxxx:dead::4 PING 2805:xxxx:dead::4(2805:xxxx:dead::4) 56 data bytes From 2001:xxxx:2001:1001::96 icmp_seq=2 Destination unreachable: Address unreachable From 2001:xxxx:2001:1001::96 icmp_seq=8 Destination unreachable: Address unreachable Now if I do a ping from the router to Host A, it goes to work: (router)# ping6 2805:xxxx:dead::4 PING6(56=40+8+8 bytes) 2805:xxxx:dead::1 --> 2805:xxxx:dead::4 16 bytes from 2805:xxxx:dead::4, icmp_seq=0 hlim=64 time=13.550 ms 16 bytes from 2805:xxxx:dead::4, icmp_seq=1 hlim=64 time=7.776 ms (hostb)# ping6 2805:xxxx:dead::4 PING 2805:xxxx:dead::4(2805:xxxx:dead::4) 56 data bytes 64 bytes from 2805:xxxx:dead::4: icmp_seq=1 ttl=56 time=219 ms 64 bytes from 2805:xxxx:dead::4: icmp_seq=2 ttl=56 time=218 ms 64 bytes from 2805:xxxx:dead::4: icmp_seq=3 ttl=56 time=219 ms Why work now? FreeBSD xxxxx 10.0-STABLE FreeBSD 10.0-STABLE #10 r267839: Thu Jul 10 15:35:04 BRT 2014 root@xxxxx:/usr/obj/usr/src/sys/GONDIM amd64 Thanks and best regards, Gondim