Dizzy is on the road. It s Monday at his current position on earth, and he is on a business trip. His boss has decided that he should go to some event a router vendor put up. As he was told, he is sitting at the airport oh eight hundred sharp, waiting for his economy class flight to some sales pitch. Out of pure boredom, Dizzy calls James to see what s up on the campus network.

Hey James, it s Dizzy, what s up?

Hey, enjoy the airport?

Yeah, sure. Kiss a politically incorrect place of your choice on my body. So what s happening at the campus?

Well, not much. It s the usual Monday morning crap. Refilling paper on printers, checking the backups, and so on. You know the drill.

Anything interesting besides that stuff?

Oh, yeah, one thing. The MRTG traffic shapes look kind of funny on two different boxes. Since Sunday, the amount of traffic doubled on those. No idea where it went. Could easily go to the Internet, I don t know.

Got any idea what it is?

Not really. Chris is looking at it, but he s seeing MRTG for the first time.

MRTG Multi Router Traffic Grapher is a tool that collects values off one or more devices and plots a graph about it. As typical for open-source software, it doesn t really matter what type of device you use MRTG on. One guy actually makes MRTG graphs about the wave height on the shore in front of his house. But most...