Determine the netfilter load

[Rob Sterenborg]

> I have a netfilter firewall which is running at around 20k packets per
> second. I want to know how much load the current packet rate is
> causing to the server? The usual w does not give any thing. More
> importantly how do I know if this packet rate is hitting or about to
> hit any limits? How much more pps will my system take?

Maybe atop has what you need.
http://www.atcomputing.nl/Tools/atop


Grts,
Rob