cannot renew IPV6 address

[Jean-Max Reymond]

Le 28/01/2017 à 01:21, Philippe Clérié a écrit :
> On 01/26/2017 11:54 AM, Jean-Max Reymond wrote:
>> Le 26/01/2017 à 17:42, Simon Hobson a écrit :
>>> Brice Abba <briceabba at gmail.com> wrote:
>>>
>>>> Hi Jean,
>>>>
>>>>     • Ensure the server is running with "ps cmd"
>>>>     • play with this value to test " Max lifetime 43200"
>>>>     • Ensure the router on the link advertise "management config flag"
>>>
>>> I read it as the server is the ISP's, so he has no access to check
>>> things like that.
>>> Besides, if he is getting an address initially (and I assume, after a
>>> reboot), then the server must be running.
>>
>> yes, that's correct. My ISP gives me an IPV6 adress at boot and reboot
>>
>> dhclient write a file /var/db/dhclient6.leases
>>
>> # cat /var/db/dhclient6.leases
>> default-duid "\000\001\000\001 \033\313$T\2375\007\255\030";
>> lease6 {
>>   interface "eno1";
>>   ia-pd 35:07:ad:18 {
>>     starts 1485445025;
>>     renew 43200;
>>     rebind 172800;
>>     iaprefix 2001:bc8:344f:200::/56 {
>>       starts 1485445025;
>>       preferred-life 7200;
>>       max-life 43200;
>>     }
>>   }
>>   option dhcp6.client-id 0:3:0:1:73:41:e0:29:71:a3;
>>   option dhcp6.server-id 0:1:0:1:1b:ac:bc:2d:10:60:4b:9b:a:f4;
>>   option dhcp6.name-servers 2001:bc8:401::3,2001:bc8:1::16;
>>   option dhcp6.domain-search "online.net.";
>> }
>> lease6 {
>>   interface "eno1";
>>   ia-pd 35:07:ad:18 {
>>     starts 1485445038;
>>     renew 43200;
>>     rebind 172800;
>>     iaprefix 2001:bc8:344f:200::/56 {
>>       starts 1485445038;
>>       preferred-life 7200;
>>       max-life 43200;
>>     }
>>   }
>>   option dhcp6.client-id 0:3:0:1:73:41:e0:29:71:a3;
>>   option dhcp6.server-id 0:1:0:1:1b:ac:bc:2d:10:60:4b:9b:a:f4;
>>   option dhcp6.name-servers 2001:bc8:401::3,2001:bc8:1::16;
>>   option dhcp6.domain-search "online.net.";
>> }
>>
>>
>
> Is it possible that you're getting an entire /56 block and not just a
> single address? In which case you can pretty much assign yourself any
> address you wish on that interface as long as you're within that block.
>
> I do know that Comcast does assign at least a /64. I've also heard /60.
> But 64 is what I have seen.
>
this night, my ISP will test my platform and also his IPV6 configuration...

-- 
Jean-Max Reymond
CKR Solutions Open Source https://www.ckr-solutions.com