Skip site navigation (1)Skip section navigation (2)
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>

Next in thread | Previous in thread | Raw E-Mail | Index | Archive | Help
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--



Want to link to this message? Use this URL: <http://docs.FreeBSD.org/cgi/mid.cgi?d5eece42-e677-7724-5a5f-6aa10e4375a8>