[Oisf-users] NETMAP guide - FreeBSD /etc/sysctl.conf

[elof2 at sentor.se]

More "stupid" questions for the NETMAP wiki:


##########################################################################


Should one use any sysctl settings to tweak any RSS/queue settings in the 
OS?

Any other hints or tips for tweaking the OS for optimal netmap 
performance?

/Elof



On Thu, 10 Mar 2016, elof2 at sentor.se wrote:

> Hi all, especially FreeBSD users.
>
> In the docs directory there's an old textfile for FreeBSD 8.
>
> I would greatly appreciate if the FreeBSD users merged together an updated 
> textfile with hints, tips and tricks for FreeBSD 10.x/11.x, with the new 
> NETMAP support.
>
>
>
> Examples of topics I'd like:
>
> What hardware (NICs) is known to work good?
>
> rc.conf
> - give examples and explain that e.g. options "-lro" and "monitor" should be 
> used (for IDS mode)
>
>
> What tweaks to put in /etc/sysctl.conf (and /boot/loader.conf???).
> - net.bpf.zerocopy_enable=1 ?
> - net.bpf.maxbufsize= huge numer? How large? 15% of total RAM?
> - kern.ipc.maxsockbuf? kern.threads.max_threads_per_proc? dev.ix.0.fc=0? - 
> etc
>
>
> What config/tweaks to put in suricata.yaml
> - specifically for NETMAP
> - Mapping CPUs to queues
> - recommended runmode
> - etc
>
>
>
> If you people can feed me your thoughts and experiences, I'm happy to put 
> together a new textfile (FreeBSD.NETMAP.txt) for the docs dir.
>
>
>
>
> It's time to show the world that linux+PF-RING isn't the only way to go.
>
> /Elof
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