cannot renew IPV6 address

[Brice Abba]

Hi Jean,


   1. Ensure the server is running with "ps cmd"
   2. play with this value to test " Max lifetime 43200"
   3. Ensure the router on the link advertise "management config flag"




2017-01-26 19:53 GMT+04:00 Jean-Max Reymond <jmreymond at ckr-solutions.com>:

> Hi,
> I am running dhclient 4.3.5 (from isc site) on ubuntu 16.04 LTS
> When starting my server, all is OK, I have an IPV6 address, I can ping,
> ssh, etc.
> After 12 hours, the interface is down and I cannot obtain a new IPV6
> adress.
>
> # cat /etc/dhcp/dhclient6.conf
> interface "eno1" {
>    send dhcp6.client-id 00:03:00:01:73:41:e0:29:71:a3;
> }
>
> $ /usr/local/sbin/dhclient -cf /etc/dhcp/dhclient6.conf -6 -P -v eno1
> Internet Systems Consortium DHCP Client 4.3.5
> Copyright 2004-2016 Internet Systems Consortium.
> All rights reserved.
> For info, please visit https://www.isc.org/software/dhcp/
>
> Listening on Socket/eno1
> Sending on   Socket/eno1
> PRC: Confirming active lease (INIT-REBOOT).
> XMT: Forming Rebind, 0 ms elapsed.
> XMT:  X-- IA_PD 35:07:ad:18
> XMT:  | X-- Requested renew  +3600
> XMT:  | X-- Requested rebind +5400
> XMT:  | | X-- IAPREFIX 2001:bc8:344f:200::/56
> XMT:  | | | X-- Preferred lifetime +7200
> XMT:  | | | X-- Max lifetime +7500
> XMT:  V IA_PD appended.
> XMT: Rebind on eno1, interval 1030ms.
> RCV: Reply message on eno1 from fe80::fe5b:39ff:fe72:9fff.
> RCV:  X-- Preference 255.
> RCV:  X-- IA_PD 35:07:ad:18
> RCV:  | X-- starts 1485444775
> RCV:  | X-- t1 - renew  +43200
> RCV:  | X-- t2 - rebind +172800
> RCV:  | X-- [Options]
> RCV:  | | X-- IAPREFIX 2001:bc8:344f:200::/56
> RCV:  | | | X-- Preferred lifetime 7200.
> RCV:  | | | X-- Max lifetime 43200.
> RCV:  X-- Server ID: 00:01:00:01:1b:ac:bc:2d:10:60:4b:9b:0a:f4
> PRC: Bound to lease 00:01:00:01:1b:ac:bc:2d:10:60:4b:9b:0a:f4.
>
> and
>
> # ifconfig eno1
> eno1      Link encap:Ethernet  HWaddr 54:9f:35:07:ad:18
>           inet addr:62.210.247.117  Bcast:62.210.247.255 Mask:255.255.255.0
>           inet6 addr: fe80::569f:35ff:fe07:ad18/64 Scope:Link
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:25519061 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:52829191 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:1000
>           RX bytes:1920059401 (1.9 GB)  TX bytes:79910066020 (79.9 GB)
>           Interrupt:16
>
> For my ISP, all is good but I have no IPV6 connection.
> thanks for your tips,
>
> --
> Jean-Max Reymond
> CKR Solutions Open Source https://www.ckr-solutions.com
> _______________________________________________
> dhcp-users mailing list
> dhcp-users at lists.isc.org
> https://lists.isc.org/mailman/listinfo/dhcp-users
>



-- 
------------------------------
Brice ABBA
www.afrinic.net
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