Re: [CALL FOR TESTING] Metric support in routing stack (netlink and rtsock)

Pouria Mousavizadeh Tehrani <[email protected]> Sat, 16 May 2026 01:47:11 +0330

Newsgroups	gmane.os.freebsd.devel.hackers,gmane.os.freebsd.devel.net
Organization	SPMZT - AS214145
Message-ID	<[email protected]>

Hi

On 5/15/26 21:17, Poul-Henning Kamp wrote:
> --------
> Mark Felder writes:
> 
>>
>> I was been hoping this would land in FreeBSD at some point.
>>
>> Is there any way that this works when set on an interface as well? There
>> already is a "metric" value you can set with ifconfig, but it's meant to
>> be used by routed(8). That would allow having both Ethernet and WiFi
>> connected to the same network getting the same default routes, but you
>> can ensure that Ethernet takes priority if it has an active link.
> 
> That would be really nice to have.
> 

This is out of scope for my metric implementation.
However, I want to implement RTA_PREF (ipv6 route priority) after this.
It may achieve the same results for you.
Of course that's slightly different in nature.

Anyway, I'm working on metric for the past two months now.
I'm going to commit that tomorrow if nothing special happens.

I REALLY appreciate if anyone could take a look at that stack of 
revisions in phabricator. (even C-wise)

Thank you!

BR
-- 
Pouria

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