Slow openbsd routing

Hello,

So I am having issues with my openbsd router where it is hard capped at
routing at 52mbps, and I cant get it any higher despite it being able
to. I am using duel gigabit nics.

I have checked the performance while routing at "peak" speed, the cpu is
still mostly idling (about 0.1 load) and yet it still can't push
anything more.

I have tested the switch connected to WAN, it is able to do gigabit (as
it is advertised to) so that is not the issue, the interface on the
router can do Gigabit. All tests are done on LAN so WAN is not the issue.

I heard OpenBSD routers need to set options in /etc/rc.conf (of course
you are meant to edit /etc/rc.conf.local), but I am not sure what these
flags are and how they affect the network performance of the device.

Does anyone know about how to increase the networking performance,
because with the LAN the router isn't doing anything difficult so I do
not see why it is so severely bottlenecked.

Thank you,
--
Polarian
GPG signature: 0770E5312238C760
Website: https://polarian.dev
JID/XMPP: polarian@polarian.dev