: A classic, reliable choice for Linux environments. nfdump is the command-line tool that collects and processes the netflow data, while NfSen serves as the graphical web frontend for visualizing the stored data.
You must build the rest. GoFlow outputs JSON over TCP. You need to figure out the database schema for ClickHouse (columnar DB optimal for time-series) and design your own Grafana dashboards. netflow collector open source
A NetFlow collector is a software application that receives, analyzes, and stores NetFlow data from network devices. The collector can be a commercial product or an open-source solution. Its primary function is to process the flow data, provide insights into network traffic, and alert administrators to potential issues. : A classic, reliable choice for Linux environments
If your salary is $150k/year, spending 3 days troubleshooting a broken collector costs the company more than buying a $5k commercial license. GoFlow outputs JSON over TCP