Hi Henning, Thanks for your reply. We agree it's an edge case but would have an impact, albeit small.
So taking your work as truth and good judgement as best as any human can (which I do), should we all just strip all our 'prio's if we use queues? I don't want things in my PF which aren't being used, and can lead to confusion for others reading it.. As ever thanks for your work and time, Andy. > On 2 Jun 2014, at 18:04, Henning Brauer <[email protected]> wrote: > > * Andy <[email protected]> [2014-06-02 18:21]: >> So whilst the impact may be minimal, if I have a busy firewall (BIG GIANT >> and all that..) so the CPU is working very hard, I would want prio the >> prioritize my voice/video packets inwards during ingress and queue on the >> other side during egress. > > that works. > > no guarantees on any effect, tho :) > >> Theoretically the packets dropped due to CPU thrashing would be limited to >> the lower prio packets..?!? > > depends on which layer drops it... if MCLGETI kicks in (likely, it is > a bit too agressive for machines only/mostly forwarding packets, but > OpenBSD has a lot more uses than just that -> compromise) you have zero > control over what gets dropped since the NIC does it already. > > -- > Henning Brauer, [email protected], [email protected] > BS Web Services GmbH, http://bsws.de, Full-Service ISP > Secure Hosting, Mail and DNS. Virtual & Dedicated Servers, Root to Fully > Managed > Henning Brauer Consulting, http://henningbrauer.com/
