FBSD 1GBit router?

Chris Knight boheme at gmail.com
Tue Feb 26 02:07:47 UTC 2008

What kind of network cards are you using, and what bus type are they using?

>From my experience, I was never able to get over ~300Mbps routing from
one PCI-X NIC to another PCI-X NIC.  I switched out the bus to a
PCI-Express and put a couple of Intel PCI-E 4x gigabit cards in and I
was able to get over 950Mbps throughput.   Sorry I don't have my
sysctl.conf settings, that box was reallocated after we replaced it
with some Cisco junk.


On Tue, Feb 5, 2008 at 5:00 AM, Bc. Radek Krejca <radek at ceskedomeny.cz> wrote:
> Hi,
>   I have FreeBSD box as router
>   FreeBSD pvt-gw.starnet.cz 6.1-RELEASE-p12 FreeBSD 6.1-RELEASE-p12 #2: Wed Jan 31 21:28:44 CET 2007     root at pvt-gw.starnet.cz:/usr/obj/usr/src/sys/DL360-G4  i386
>   But speed is only about 382 Mbit. I have following values in
>   sysctl.conf:
>  net.inet.ip.fastforwarding=1
>  net.inet.tcp.recvspace=262144
>  net.inet.tcp.sendspace=262144
>  kern.ipc.maxsockbuf=33554432
>   I need about 600-700 Mbit. Is any chance on freebsd? Hardware is HP
>   DL360-G4, interrupt takes about 55 % of CPU. I tested it over
>   netperf and result is about 382 Mbit.
>  --
>  Regards,
>   Bc. Radek Krejca
>   ICQ: 65895541
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