> 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