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Do you have a security issue? When used in tandem with other applications like Cisco CS-Mars, NetFlow can check for anomalies and worms.Have you been noticing unauthorized WAN traffic? NetFlow will pinpoint the applications causing problems, so you don’t have to spend money replacing or upgrading all your software.

Have you been seeing a reduction in wide-area network (WAN) traffic? See who or what is taking up the most bandwidth in your network.

Are you having trouble with your network? Speed up troubleshooting and get to the bottom of poor network performance.

Do you have a new application on your network? NetFlow helps you isolate what’s taking a toll on your network load.

Information provided by NetFlow can be leveraged to address a range of issues. For larger businesses with large IT departments, the information gleaned from NetFlow analysis can be used to facilitate more accurate capacity planning and decisions about how to best allocate network resources. By implementing a high-quality network performance monitor with a NetFlow reporting tool, you can troubleshoot network issues with a high level of specificity. Used to collect information about your network IP traffic and to monitor network traffic activity, NetFlow generates insights into application flows. In 1996, Cisco released NetFlow as a network protocol to offer insight into all these areas within a cohesive operating environment.

As technology rapidly advances, challenges have arisen in understanding network behavior, particularly in the areas of compliance, network security vulnerabilities, network productivity and the dispersal of resources, and application usage. I review some paid software programs, while others are free or open-source.ĭetermining the Best NetFlow Analyzer for Your Organization What Is NetFlow?Įvery experienced IT professional knows a comprehensive view of your network is critical.

In this article, I’ll walk you through the basics of NetFlow before getting into my recommendations for the best NetFlow analyzer on the market. Analyzing the data collected through NetFlow enables you to gain a picture of the flow and volume of traffic on your network. It stands out from other network protocols for its ability to generate insights particular to application flows.

NetFlow is a network protocol that collects information about your network’s IP traffic and monitors network traffic activity.