From owner-freebsd-questions@freebsd.org Mon Jul 31 19:37:11 2017 Return-Path: Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id DD504DB7C8A for ; Mon, 31 Jul 2017 19:37:11 +0000 (UTC) (envelope-from mike@sentex.net) Received: from smarthost2.sentex.ca (smarthost2.sentex.ca [IPv6:2607:f3e0:80:80::2]) (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits)) (Client CN "smarthost.sentex.ca", Issuer "smarthost.sentex.ca" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id B448A65418 for ; Mon, 31 Jul 2017 19:37:11 +0000 (UTC) (envelope-from mike@sentex.net) Received: from lava.sentex.ca (lava.sentex.ca [IPv6:2607:f3e0:0:5::11]) by smarthost2.sentex.ca (8.15.2/8.15.2) with ESMTPS id v6VJbApQ008036 (version=TLSv1 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO) for ; Mon, 31 Jul 2017 15:37:10 -0400 (EDT) (envelope-from mike@sentex.net) Received: from [192.168.43.26] (saphire3.sentex.net [192.168.43.26]) by lava.sentex.ca (8.15.2/8.15.2) with ESMTP id v6VJb855089831; Mon, 31 Jul 2017 15:37:08 -0400 (EDT) (envelope-from mike@sentex.net) Subject: Re: default route via SLAAC not working ? To: =?UTF-8?Q?Trond_Endrest=c3=b8l?= Cc: freebsd-questions References: <96b09a19-01e1-e182-e9c0-d1526a12373f@sentex.net> <3e0e0362-d8c8-5f85-46dc-f4e103f78fc2@sentex.net> From: Mike Tancsa Organization: Sentex Communications Message-ID: Date: Mon, 31 Jul 2017 15:37:07 -0400 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/mixed; boundary="------------D2076E6E5B81EDD733BE80B4" Content-Language: en-US X-Scanned-By: MIMEDefang 2.78 X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 31 Jul 2017 19:37:12 -0000 This is a multi-part message in MIME format. --------------D2076E6E5B81EDD733BE80B4 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit On 7/31/2017 2:13 PM, Trond Endrestøl wrote: > > That's strange. I've never seen such behaviour before. > Maybe a packet capture can provide more clues. Not sure whats going on from the pcap. I dont see any values in there that would tell the kernel to expire a setting in less than 5min ---Mike -- ------------------- Mike Tancsa, tel +1 519 651 3400 Sentex Communications, mike@sentex.net Providing Internet services since 1994 www.sentex.net Cambridge, Ontario Canada http://www.tancsa.com/ --------------D2076E6E5B81EDD733BE80B4 Content-Type: text/plain; charset=UTF-8; name="ip6.txt" Content-Transfer-Encoding: quoted-printable Content-Disposition: attachment; filename="ip6.txt" 14:38:57.391700 IP6 (hlim 255, next-header ICMPv6 (58) payload length: 64= ) fe80::a671:74ff:fe2b:c137 > ff02::1: [icmp6 sum ok] ICMP6, router adver= tisement, length 64 hop limit 64, Flags [managed, other stateful], pref high, router = lifetime 1800s, reachable time 0s, retrans time 0s prefix info option (3), length 32 (4): 2605:8d80:6e6:7cad::/64,= Flags [onlink, auto], valid time 7200s, pref. time 3600s 0x0000: 40c0 0000 1c20 0000 0e10 0000 0000 2605 0x0010: 8d80 06e6 7cad 0000 0000 0000 0000 mtu option (5), length 8 (1): 1460 0x0000: 0000 0000 05b4 source link-address option (1), length 8 (1): a4:71:74:2b:c1:37= 0x0000: a471 742b c137 14:48:50.682370 IP6 (hlim 255, next-header ICMPv6 (58) payload length: 64= ) fe80::a671:74ff:fe2b:c137 > ff02::1: [icmp6 sum ok] ICMP6, router adver= tisement, length 64 hop limit 64, Flags [managed, other stateful], pref high, router = lifetime 1800s, reachable time 0s, retrans time 0s prefix info option (3), length 32 (4): 2605:8d80:6e6:7cad::/64,= Flags [onlink, auto], valid time 7200s, pref. time 3600s 0x0000: 40c0 0000 1c20 0000 0e10 0000 0000 2605 0x0010: 8d80 06e6 7cad 0000 0000 0000 0000 mtu option (5), length 8 (1): 1460 0x0000: 0000 0000 05b4 source link-address option (1), length 8 (1): a4:71:74:2b:c1:37= 0x0000: a471 742b c137 14:54:51.630851 IP6 (hlim 255, next-header ICMPv6 (58) payload length: 64= ) fe80::a671:74ff:fe2b:c137 > ff02::1: [icmp6 sum ok] ICMP6, router adver= tisement, length 64 hop limit 64, Flags [managed, other stateful], pref high, router = lifetime 1800s, reachable time 0s, retrans time 0s prefix info option (3), length 32 (4): 2605:8d80:6e6:7cad::/64,= Flags [onlink, auto], valid time 7200s, pref. time 3600s 0x0000: 40c0 0000 1c20 0000 0e10 0000 0000 2605 0x0010: 8d80 06e6 7cad 0000 0000 0000 0000 mtu option (5), length 8 (1): 1460 0x0000: 0000 0000 05b4 source link-address option (1), length 8 (1): a4:71:74:2b:c1:37= 0x0000: a471 742b c137 15:01:01.323075 IP6 (hlim 255, next-header ICMPv6 (58) payload length: 64= ) fe80::a671:74ff:fe2b:c137 > ff02::1: [icmp6 sum ok] ICMP6, router adver= tisement, length 64 hop limit 64, Flags [managed, other stateful], pref high, router = lifetime 1800s, reachable time 0s, retrans time 0s prefix info option (3), length 32 (4): 2605:8d80:6e6:7cad::/64,= Flags [onlink, auto], valid time 7200s, pref. time 3600s 0x0000: 40c0 0000 1c20 0000 0e10 0000 0000 2605 0x0010: 8d80 06e6 7cad 0000 0000 0000 0000 mtu option (5), length 8 (1): 1460 0x0000: 0000 0000 05b4 source link-address option (1), length 8 (1): a4:71:74:2b:c1:37= 0x0000: a471 742b c137 15:10:52.736332 IP6 (hlim 255, next-header ICMPv6 (58) payload length: 64= ) fe80::a671:74ff:fe2b:c137 > ff02::1: [icmp6 sum ok] ICMP6, router adver= tisement, length 64 hop limit 64, Flags [managed, other stateful], pref high, router = lifetime 1800s, reachable time 0s, retrans time 0s prefix info option (3), length 32 (4): 2605:8d80:6e6:7cad::/64,= Flags [onlink, auto], valid time 7200s, pref. time 3600s 0x0000: 40c0 0000 1c20 0000 0e10 0000 0000 2605 0x0010: 8d80 06e6 7cad 0000 0000 0000 0000 mtu option (5), length 8 (1): 1460 0x0000: 0000 0000 05b4 source link-address option (1), length 8 (1): a4:71:74:2b:c1:37= 0x0000: a471 742b c137 15:17:46.024235 IP6 (hlim 255, next-header ICMPv6 (58) payload length: 64= ) fe80::a671:74ff:fe2b:c137 > ff02::1: [icmp6 sum ok] ICMP6, router adver= tisement, length 64 hop limit 64, Flags [managed, other stateful], pref high, router = lifetime 1800s, reachable time 0s, retrans time 0s prefix info option (3), length 32 (4): 2605:8d80:6e6:7cad::/64,= Flags [onlink, auto], valid time 7200s, pref. time 3600s 0x0000: 40c0 0000 1c20 0000 0e10 0000 0000 2605 0x0010: 8d80 06e6 7cad 0000 0000 0000 0000 mtu option (5), length 8 (1): 1460 0x0000: 0000 0000 05b4 source link-address option (1), length 8 (1): a4:71:74:2b:c1:37= 0x0000: a471 742b c137 15:23:04.904394 IP6 (hlim 255, next-header ICMPv6 (58) payload length: 64= ) fe80::a671:74ff:fe2b:c137 > ff02::1: [icmp6 sum ok] ICMP6, router adver= tisement, length 64 hop limit 64, Flags [managed, other stateful], pref high, router = lifetime 1800s, reachable time 0s, retrans time 0s prefix info option (3), length 32 (4): 2605:8d80:6e6:7cad::/64,= Flags [onlink, auto], valid time 7200s, pref. time 3600s 0x0000: 40c0 0000 1c20 0000 0e10 0000 0000 2605 0x0010: 8d80 06e6 7cad 0000 0000 0000 0000 mtu option (5), length 8 (1): 1460 0x0000: 0000 0000 05b4 source link-address option (1), length 8 (1): a4:71:74:2b:c1:37= 0x0000: a471 742b c137 --------------D2076E6E5B81EDD733BE80B4--