Together they make for a very flexible analysis package.
Netflow monitoring open source.
It took a little more effort to get up and running than some of the other software but is a great open source alternative.
Nprobe and ntopng are somewhat advanced and therefore somewhat complicated open source tools.
Pmgraph is a great open source tool for graphing and monitoring bandwidth using pmacct which is a network monitoring and auditing tool.
Ntop is an open source netflow analyzer and packet capture product.
Best open source netflow analyzers collectors last updated.
Netflow monitor nf is tool for processing and evaluating netflow exports from cisco routers.
Netflow analyzers collect data generated by devices throughout the network and allow the user to view historic and real time perspectives of the network.
Pmacct collects and monitors traffic using netflow or sflow on network devices including firewalls routers and switches into a database and allows for analysis of that data using pmgraph.
The data is analyzed and presented in a clear and logical way even though it doesn t have all the visual bells and whistles of some other products.
Netflow is the term given to a network protocol designed by cisco to collect ip traffic and conduct network monitoring.
Ntop is an opensource tool that provide network visibility and by leveraging packet captures and netflow information.
Open source tools that report netflow data.