>
> 	/etc/rc.d/ipfilter reload; ipfstat -aio | ipaccumulate
>

I'm actually doing something similar to this already, except for the
accumulation bit. I _was_ going to add the rrd setup to the beginning of
this, but after some thinking and advice I'll stay clear of rrd in favour of
writing a custom script, time to learn pearl I guess :)

-Gwilym