FlowScan This free network analyzer can show time series graphs of traffic throughput and store traffic attributes in a database.WireShark This free packet sniffer has its own searching and filtering language and enables extensive traffic analysis.The Dude A free network discovery and mapping tool that is based on SNMP.Plixer Scrutinizer A paid traffic collector and NetFlow analyzer that has a free version.

Available for Windows, Unix, Linux, and macOS. ntopng A paid packet sniffer that includes a traffic analysis feature and has a free Community edition.Paessler PRTG Network Monitor This full stack monitoring package includes NetFlow analysis and free for up to 100 sensors.Site24x7 Network Monitoring (FREE TRIAL) This cloud service implements network device monitoring and traffic analysis and is packaged with other system monitoring services.ManageEngine NetFlow Analyzer (FREE EDITION) This paid traffic analysis system uses NetFlow as well as other traffic protocols and is available in a Free edition.Runs on Windows Server and available for a 30-day free trial. SolarWinds NetFlow Traffic Analyzer (FREE TRIAL) This on-premises package is available as an addition to the Network Performance Monitor and it provides traffic analysis with NetFlow and other flow statistics protocols.Here is our list of the best free NetFlow Analyzers: With a NetFlow analysis tool, an administrator can see how efficiently data is transferred across a network without relying on the large volumes of stored data that regular packet capture procedures create. It is in this area that NetFlow analyzers are worth their weight in gold.

So much of an enterprise-grade service’s reliability rests on its bandwidth performance. For some time, NetFlow analysis has been one of the core strategies relied on by IT administrators to conduct real-time network monitoring.

Netflow traffic