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Do you know/recommend any tool for graphing traffic based on IP or host? In this case, I will get a graph for every IP that passes through my gateway. Of course, I will use a predefined list of source IP addresses. This is useful to monitor the traffic usage of all hosts inside your network.

I am using nagios grapher to graph the network traffic, but this tool graph the total traffic passing through the system interface(s). Nagios uses a script to monitor the traffic of the interface. After that, the traffic data is passed to nagios grapher.

I need to install such a tool on my Linux server/gateway.

Khaled
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4 Answers4

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You might take a look at ntop.

user48838
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    Why is "look at ntop" or "look at atop" the common answer here? What the user is trying to do is **visualize** their traffic, not look at a boring chart or linear graph. I saw some responses to similar traffic lately that says that `iptables` is able to do some accounting. Then, someone is going to have to poll those statistics and visualize them. Standard model-view-controller problem. Model the data using iptables, view as a graph, controller directs selected data to the graph. – zerolagtime Oct 31 '10 at 19:55
  • ntop can visualize traffic based on IPs as described. zerolagtime, do you know of something that works better that you can contribute? – user48838 Oct 31 '10 at 20:33
  • You could have just stated so in the first place (via your posted answer) and more effectively (than your comments). Here's a screen shot of ntop's abilities to fulfill what was described in the original question (not sure what you have against notp)... http://www.mid1.cz/images/ntop/ntop1.jpg – user48838 Nov 01 '10 at 07:14
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noah.org lists quite a few tools that are good for examining, scraping, and visualizing network traffic. So far, the one I find pretty interesting is etherape. I even found out that some flash plugin is going to llwn.net (LimeWire!!!). I'll be checking that out. There were other tools there also that I liked but haven't tried out yet: darkstat, and ttt. Both are on noah.org. "ttt" will also graph your bandwidth by protocol.

Turns out that llwn.net is a CDN for rhapsody.com. Whew!

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zerolagtime
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mrtg, pastmon, etherape, argus try Google for more.

symcbean
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Explore for Cacti. It's a really good tool and opensource.

Lucas Kauffman
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Nirav M
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