What have you looked at? are you running pf? what kind of ruleset?
Tried simplifying it?

--Bryan

On 9/25/07, rezidue <rezidue@gmail.com> wrote:
quoted text
> I've been having problems with throughput on a box I'm using as an edge
> gateway.  I can't seem to get it to push out more than 150Mb/sec at about
> 20k pps.  It's a Tyan Thunder K8SR (S2881) board that has two gig broadcom
> interfaces on a shared pci-x bus.  It's on the bcm5704c chipset and I'm
> running OpenBSD 4.0.  The machine has two dual core amd opteron chips and
> two gigs of ram.  Barley any resources are being used when we are peaking
> during the day.  When we hit around 140+Mb/sec I start seeing packet loss
> and when I copy a file from this machine via scp to another host over the
> gig lan I can see that it directly affects throughput.  I've spent all day
> trying to find the problem but I've had no luck.  Any ideas?  Any info I can
> provide?