On Sat, Jan 23, 2021 at 9:12 PM mike tancsa <m...@sentex.net> wrote:

>
> Thanks for the links!  I do have a couple of devices with full views on
> RELENG_12. I find they work great when the tables are relatively stable,
> but when there is a lot of prefix churn, I do see some overflows on the
> rx buffers (dev.cxl.0.stats.rx_ovflow0: 6012).  Where can I find
> information about making use of this feature ? I take it, its a
> RELENG_12 feature only ? Will it work with frr7 or do I need to use BIRD ?
>
>
It is a FreeBSD kernel feature introduced in FreeBSD 13 (don't know if it
will be backported to 12): So it is independent of the routing daemon used.
https://cgit.freebsd.org/src/commit/?id=537d134373141c2d25bfb24af6d661d0e6102927

On a standard FreeBSD 13, you just have to load the dpdk modules like on
the BSDRP loader.conf file (or in rc.conf with a kld_list="":
https://github.com/ocochard/BSDRP/blob/master/BSDRP/Files/boot/loader.conf.local

dpdk_lpm4_load="YES"
dpdk_lpm6_load="YES"

Regards,

Olivier
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