[PATCH] IPv4 over IPv6 nexthop support on FreeBSD

[Marek Zarychta]

W dniu 21.04.2023 o 03:07, Ondrej Zajicek pisze:
> On Mon, Apr 17, 2023 at 04:46:13PM +0200, Luiz Amaral wrote:
>> Hello Ondrej,
>>
>> Did you have a chance to check out the patch? I am happy to adjust it if
>> needed.
> 
> Hello
> 
> Thanks for a notice, i just merged that (with minor modification):
> 
> https://gitlab.nic.cz/labs/bird/-/commit/d61505b039bf0aa6697e28b2a4e07907c89ba1fb
> 
> I didn't test the feature, as our FreeBSD VM is still at 13.0
> (bsd-cloud-image.org does not offer never version), but it seems safe.
> 

FreeBSD project provides us with official Cloud-init-like images for 
testing purposes[1]. These images really cannot be provisioned with 
Cloud-init, but you will be able to log in via ssh on your root account 
(neither key nor password is required), which should be sufficient. 
FreeBSD 13.2-RELEASE is the first release with netlink(4) support. 
Netlink is available as a kernel module and needs to be explicitly loaded.

BTW the Netlink flavour of BIRD 2.0.12 under FreeBSD runs smoothly. We 
are running it for over two months. Resident memory usage dropped in our 
case from 2G to less than 512M. ECMP works out of the box. The daemon 
complains about slow scans of the kernel routing table[2] though, but 
it's not a problem. Many thanks to the people who contributed to this !


[1] 
https://download.freebsd.org/ftp/releases/CI-IMAGES/13.2-RELEASE/amd64/Latest/
[2] rtr bird[2284]: I/O loop cycle took 13166.930 ms for 2 events

Cheers
-- 
Marek Zarychta

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