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Network Traffic Monitor: NetFlow Analyzer

Network Monitoring, Mapping and NetFlow Analysis


For basic Flow analysis, InterMapper Flows is integrated with our core network monitoring and mapping product.  Learn more about InterMapper Flows.

Learn about your network traffic in minutes

Our Flow products gives you a fast, exceptionally detailed, analysis of NetFlow, sFlow, jFlow, and cFlow traffic data. Collecting data with sub-millisecond accuracy, we provide forensic-level telemetry on Top Talkers, Top Hosts, and Top Listeners. And, because data is preserved over time, you'll conduct after the fact network traffic analyses to determine the explanation behind network use trends.

Use Flows to conduct:

Network forensic investigation

  • Who are your Top Talkers and who are they "talking" to?
  • What websites are routinely visited and what is downloaded?
  • Are there any signs of rogue network applications or malicious activity?

Network traffic troubleshooting

  • What explains the sharp traffic increase every Saturday at 3:00 am?
  • Who is generating the most traffic?
  • Could specific site blocking solve your heavy traffic problem?

Capacity planning

  • Do you have enough bandwidth to support mission-critical activity?
  • Is recreational or illegal activity consuming your network?
  • Who is hogging bandwidth?




What is NetFlow? What is sFlow? These network traffic monitoring protocols let you analyze the traffic on your network by showing the top talkers, top listeners, top protocols, and more. You can see into the kinds of traffic (web, mail, FTP, peer-to-peer, etc.) that's on the network, as well as which devices are sending and receiving most of the traffic. Although NetFlow and sFlow are somewhat different technologies from different vendors, InterMapper Flows can handle both, to give you deep insight into your network.

How can I get it going on my network? You need to configure one or more of your routers or switches to act as a flow exporter. That device then sends ("exports") a summary of the traffic passing through to InterMapper. You can use InterMapper Flows to look at current conditions, historical information, or to filter on specific events. Note: If your routers and/or switches don't support Flows, it's straightforward to set up a software exporter to give the same information.
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