From owner-freebsd-net@FreeBSD.ORG Fri Nov 28 18:57:10 2014 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 60B33138 for ; Fri, 28 Nov 2014 18:57:10 +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 301A4627 for ; Fri, 28 Nov 2014 18:57:10 +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 99883139CB for ; Fri, 28 Nov 2014 16:57:21 -0200 (BRST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=bsdinfo.com.br; h=content-transfer-encoding:content-type:content-type :in-reply-to:references:subject:subject:to:mime-version :user-agent:from:from:date:date:message-id; s=dkim; t= 1417201037; x=1418065038; bh=IEMEksalLZ2jh80pATMGLZJll88CV7NOIoW FqnetM4Q=; b=jxFZRXX/RXAEzbFRCUdIgVHTW02C3r5xJHal2q+2Nnn/DjSkgoq nhv3PY/rCvObw66eHWRf0aECP+aE2tU5jDkQsmKlEpkck9frQpubebSIG/V+NAdk FJjEvTxLnQ3kn420SsDUEG5fo7CaKvRgbHCJQxwuJyofjbleZ69zV6gM= 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 z7LHajWHqW5f for ; Fri, 28 Nov 2014 16:57:17 -0200 (BRST) Received: from [192.168.88.15] (unknown [186.193.48.8]) by mail.bsdinfo.com.br (Postfix) with ESMTPSA id 74757139CA for ; Fri, 28 Nov 2014 16:57:16 -0200 (BRST) Message-ID: <5478C575.1090008@bsdinfo.com.br> Date: Fri, 28 Nov 2014 16:56:53 -0200 From: Marcelo Gondim User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.2.0 MIME-Version: 1.0 To: freebsd-net@freebsd.org Subject: Re: IPv6 - traceroute6 not working References: <5478B971.8090705@bsdinfo.com.br> In-Reply-To: <5478B971.8090705@bsdinfo.com.br> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.18-1 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, 28 Nov 2014 18:57:10 -0000 On 28/11/2014 16:05, Marcelo Gondim wrote: > Hi all, > > I have IPv6 deployed here in ISP and everything works normally. Today > I was testing a traceroute and it did not work. Below an example: > > (root@rt01)[~]# ping6 ipv6.google.com > PING6(56=40+8+8 bytes) 2001:xxxx:2001:1001::96 --> > 2800:3f0:4001:813::1004 > 16 bytes from 2800:3f0:4001:813::1004, icmp_seq=0 hlim=60 time=6.449 ms > 16 bytes from 2800:3f0:4001:813::1004, icmp_seq=1 hlim=60 time=6.266 ms > 16 bytes from 2800:3f0:4001:813::1004, icmp_seq=2 hlim=60 time=6.340 ms > 16 bytes from 2800:3f0:4001:813::1004, icmp_seq=3 hlim=60 time=6.410 ms > ^C > --- ipv6.l.google.com ping6 statistics --- > 4 packets transmitted, 4 packets received, 0.0% packet loss > round-trip min/avg/max/std-dev = 6.266/6.366/6.449/0.070 ms > > (root@rt01)[~]# traceroute6 ipv6.google.com > traceroute6 to ipv6.l.google.com (2800:3f0:4001:813::1004) from > 2001:xxxx:2001:1001::96, 64 hops max, 12 byte packets > > (root@rt01)[~]# uname -a > FreeBSD rt01.xxxxx.com.br 10.1-RELEASE FreeBSD 10.1-RELEASE #2 > r274375: Tue Nov 11 10:24:44 BRST 2014 > root@rt01.xxxxx.com.br:/usr/obj/usr/src/sys/GONDIM10 amd64 > > Must enable some sysctl or may be a bug? Sorry my fault!!! The problem was firewall rules. (root@rt01)[~]# ipfw add 1 allow ipv6-icmp from any to any 00001 allow ipv6-icmp from any to any (root@rt01)[~]# traceroute6 ipv6.google.com traceroute6 to ipv6.l.google.com (2800:3f0:4001:812::100e) from 2001:xxxx:2001:1001::96, 64 hops max, 12 byte packets 1 2001:xxxx:2001:1001::95 0.588 ms 0.494 ms 0.447 ms 2 2001:4860:1:1:0:ddd:0:3e 6.648 ms 6.570 ms 6.767 ms 3 2001:4860::1:0:4f24 17.159 ms 18.648 ms 6.919 ms 4 2001:4860:0:1::7c3 7.257 ms 6.688 ms 7.041 ms 5 2800:3f0:4001:812::15 6.664 ms 6.568 ms 6.730 ms Cheers,