PRTG - Paessler Router Traffic Grapher

Monitor and classify bandwidth and network usage. Easy to use Windows software.. Read more about PRTG - Paessler Router Traffic Grapher
PRTG - Paessler Router Traffic Grapher PRTG - Paessler Router Traffic Grapher Video
PRTG Traffic Grapher How-to tutorial - Part 1 Video
I discuss a couple of scenarios where this FREE tool is very useful.