You as sysadmin know that for sure - your bandwidth sometimes drives you crazy.
The Bandwidth Limit Exceeded error or Error 509 is a common error in the internet. It interrupts the displaying of your website to your visitors. The only thing that they can see is a blank page infroming about the bandwidth limit being exceeded.
This error indicates that your site is receiving too much traffic than the host can allow, which is dependent on the server space you have purchased.
More solutions:
Switch to PRTG: PRTG network monitor measures your real-time bandwidth usage.
You can easily detect and measure heavy bandwidth overloads and quickly recognize potential disruptions with PRTG.
Find out how Bandwidth Monitoring can help you get rid of those errors
PRTG analyzes
your network bandwidth
PRTG identifies
bandwidth overloads
PRTG recognizes
potential disruptions