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Is there a tool, that can gather stats on network usage?

Requirements:

  • Generate HTML (or other format, convertible to HTML)
  • Time line graphs for bandwidth usage, also which hosts use the most bandwidth and what port is used by that host.
  • Which ports are using most bandwidth

This isn't the full requirements, but things I can think of just now.

I am not sure what the name of this kind of tool is called.

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The defacto standard for this is undoubtedly mrtg. There are certainly alternatives out there such as cacti or HotSaNIC.

It's also not hard to whip up your own. I use collectd to monitor lots of different statistics including network traffic on hosts and even other devices on three continents, then whip up my own graphs using the related rrdtool graph tool.

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