"If you've already deployed Nagios in your IT environment, what are some tricks you can use to enhance and improve performance?
"Dondich: As your IT environment grows, the number of monitored devices will grow with it. As it continues to grow, you may see performance degrade or the bandwidth in your network saturate with the number of checks Nagios is performing. The thing I can't stress enough is to use active checks only when necessary and to really leverage passive checking..."