FreeBSD 10.3 igb driver does not support altq

Kristof Provost kp at
Fri Oct 14 08:00:05 UTC 2016

On 14 Oct 2016, at 4:51, George wrote:
> I have a problem enabling ALTQ on my FreeBSD 10.3 router.
> I have compiled a custom kernel based off GENERIC enabling the igb
> driver along with ALTQ support. When I then try to setup queues in my
> pf.conf and try to use them when I do 'pfctl -nf /etc/pf.conf' I get no
> errors, but when I do 'pfctl -vf /etc/pf.conf' I get an error message:
> "pfctl: igb0: driver does not support altq"
> I am not sure what I am doing wrong. I checked the docs for ALTQ
> and it lists the igb driver as having built-in support.
> I did what is necessary and I get this error, where do I go from here?
In its default configuration the igb driver does not support ALTQ.


Basically, you need to rebuild the driver with IGB_LEGACY_TX defined.


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