Date: Mon, 31 Jul 2017 15:37:07 -0400 From: Mike Tancsa <mike@sentex.net> To: =?UTF-8?Q?Trond_Endrest=c3=b8l?= <Trond.Endrestol@fagskolen.gjovik.no> Cc: freebsd-questions <freebsd-questions@freebsd.org> Subject: Re: default route via SLAAC not working ? Message-ID: <d5eece42-e677-7724-5a5f-6aa10e4375a8@sentex.net> In-Reply-To: <alpine.BSF.2.21.1707312008360.1133@mail.fig.ol.no> References: <96b09a19-01e1-e182-e9c0-d1526a12373f@sentex.net> <alpine.BSF.2.21.1707311727060.1133@mail.fig.ol.no> <3e0e0362-d8c8-5f85-46dc-f4e103f78fc2@sentex.net> <alpine.BSF.2.21.1707311753200.1133@mail.fig.ol.no> <d4435f2b-d2bc-bb28-e03e-832ad4dd5c14@sentex.net> <alpine.BSF.2.21.1707312008360.1133@mail.fig.ol.no>
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[-- Attachment #1 --] 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/ [-- Attachment #2 --] 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 advertisement, 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 advertisement, 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 advertisement, 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 advertisement, 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 advertisement, 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 advertisement, 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 advertisement, 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
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