IPv6 prefix is not stored to kernel when multipath is enabled in 1.6.8

[Alexander Zubkov]

And I think there will be no more updates:

https://bird.network.cz/?o_news
25.4.2023 BIRD 1 end of life will happen at the end of 2023. Please finish
you upgrade to BIRD 2 ASAP!

On Thu, Feb 13, 2025 at 5:01 PM Douglas Fischer <fischerdouglas at gmail.com>
wrote:

> uuuhhh... 1.6?
>
> This version has not been receiving updates for quite some time.
> Definitely more than 5 years ago. And even before that, for a few years
> version 1.6 was only receiving fixes.
>
> I suggest you consider migrating to the current version of Bird2, which if
> I'm not mistaken is 2.16.1
>
> Em qui., 13 de fev. de 2025 às 00:08, Jimmy Lim <jhalim10 at gmail.com>
> escreveu:
>
>> Hi guys,
>>
>> I have multipath enabled on bird6 running in old 1.6.8. I discovered that
>> the IPv6 prefix failed to be installed properly in the kernel with more
>> than 1 path and when multipath is enabled.
>>
>> syslog message:
>>
>>> Feb  9 23:54:31 x40-n bird6: kernel1 < replaced fcdf::/16 multipath
>>> Feb  9 23:54:53 x40-n bird6: kernel1: fcdf::/16: reinstalling
>>> Feb  9 23:55:53 x40-n bird6: kernel1: fcdf::/16: reinstalling
>>> Feb  9 23:56:53 x40-n bird6: kernel1: fcdf::/16: reinstalling
>>
>>
>> The IPv6 prefix is installed properly if I remove multipath in bird6:
>>
>>> #    merge paths on;
>>
>>
>> But then it means the path won't be shared with the rest of the path.
>>
>> syslog message:
>>
>>> Feb  9 23:57:15 x40-n bird6: kernel1 < added fcdf::/16 dev wg2
>>> Feb  9 23:57:15 x40-n bird6: kernel1: fcdf::/16: reinstalling
>>> Feb  9 23:58:15 x40-n bird6: kernel1: fcdf::/16: seen
>>> Feb  9 23:59:16 x40-n bird6: kernel1: fcdf::/16: seen
>>
>>
>> Do you guys encounter this issue or is there any other configuration
>> needed? The multipath works well in IPv4/bird.
>>
>> Thanks,
>> Jimmy
>>
>
>
> --
> Douglas Fernando Fischer
> Engº de Controle e Automação
>
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