From owner-freebsd-questions@FreeBSD.ORG Sat Nov 9 21:00:54 2013 Return-Path: Delivered-To: freebsd-questions@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 ESMTP id DF09225D for ; Sat, 9 Nov 2013 21:00:54 +0000 (UTC) (envelope-from newsletter@guengel.ch) Received: from zhhdzmsp-smta16.bluewin.ch (zhhdzmsp-smta16.bluewin.ch [195.186.227.132]) by mx1.freebsd.org (Postfix) with ESMTP id 7581F2304 for ; Sat, 9 Nov 2013 21:00:54 +0000 (UTC) Received: from [195.186.99.131] ([195.186.99.131:42092] helo=zhbdzmsp-smta13.bluewin.ch) by zhhdzmsp-smta16.bluewin.ch (envelope-from ) (ecelerity 2.2.3.47 r(39824M)) with ESMTP id 7F/20-26389-E72AE725; Sat, 09 Nov 2013 21:00:47 +0000 Received: from smtp.guengel.ch (83.77.246.251) by zhbdzmsp-smta13.bluewin.ch (8.5.142) (authenticated as rafael.ostertag) id 51DDDBBD0AE41661 for freebsd-questions@freebsd.org; Sat, 9 Nov 2013 21:00:46 +0000 Received: from gizmo.kruemel.home (gizmo.kruemel.home [IPv6:fd3e:be3e:ec34::1]) by smtp.guengel.ch (8.14.6/8.14.5) with ESMTP id rA9L0jl5025407 (version=TLSv1/SSLv3 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=OK) for ; Sat, 9 Nov 2013 22:00:45 +0100 (CET) Received: from eeenyx.dhcp.kruemel.home (vpn-client-6.vpn.kruemel.home [192.168.102.6]) (authenticated bits=0) by gizmo.kruemel.home (8.14.5/8.14.5) with ESMTP id rA9L0hFE000949 (version=TLSv1/SSLv3 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO) for ; Sat, 9 Nov 2013 22:00:45 +0100 (CET) (envelope-from newsletter@guengel.ch) Message-ID: <527EA27B.6060509@guengel.ch> Date: Sat, 09 Nov 2013 22:00:43 +0100 From: Rafael Ostertag User-Agent: Mozilla/5.0 (X11; Linux i686; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 MIME-Version: 1.0 To: freebsd-questions@freebsd.org Subject: 9.2-RELAESE: IPv4/IPv6 dual stack and ipv6_prefered X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Virus-Scanned: clamav-milter 0.98 at starscream X-Virus-Status: Clean X-Spam-Status: No, score=2.5 required=5.0 tests=BAYES_50,HELO_LH_HOME autolearn=no version=3.3.2 X-Spam-Level: ** X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on starscream X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 09 Nov 2013 21:00:54 -0000 Hi I have following entries in /etc/rc.conf: ip6addrctl_enable="YES" ip6addrctl_policy="ipv6_prefer" on 9.1, this made FB pick IPv6 addresses for outbound connections. However on the same box, after updating to 9.2, IPv6 addresses are no longer used by default. Looking at the output of ip6addrctl on 9.2, everything seems to be in order, IMHO: # ip6addrctl Prefix Prec Label Use ::1/128 50 0 0 ::/0 40 1 3493 ::ffff:0.0.0.0/96 35 4 0 2002::/16 30 2 0 2001::/32 5 5 0 fc00::/7 3 13 3295 ::/96 1 3 0 fec0::/10 1 11 0 3ffe::/16 1 12 0 Using ssh or wget to connect to another IPv6 enabled host, reveals that IPv4 is used instead of IPv6. Any ideas what might be wrong? cheers rafi