You will commonly hear administrators refer to devices or applications that consume lots of bandwidth as вЂњTop TalkersвЂќ. Your bandwidth consumption tells you a lot about how your network is functioning. If youвЂ™re working within a large network then you need a NetFlow Analyzer to be able to process all of the activity happening on your network. It is worth mentioning that even though Cisco created the NetFlow protocol, companies like Juniper and Huawei have come up with their own counterparts in J-Flow and NetStream. There are many different versions available of the NetFlow protocol but 5, 7, and 9 are those used by most administrators. A NetFlow analyzer provides the user with information such as: The NetFlow protocol was responsible for harvesting data from devices throughout a network and converting it into a display for the end user. The name NetFlow is a network protocol that was designed by Cisco. What is a NetFlow Analyzer?ДЄ NetFlow analyzer is a traffic analytics tool that collects information on how your bandwidth is being used, and who it is being used by.

In this article, we look at the best NetFlow analyzers on the market, but before we do that, weвЂ™re going to take a look at what NetFlow analyzers are and why you need one. Without the use of a NetFlow analyzer it is difficult to keep track of your bandwidth consumption. Bandwidth tells you everything from how well your service is performing to allowing you to run capacity planning for the future. NetFlow analysis is one of the best ways to take note of your networkвЂ™s bandwidth performance. Being able to conduct NetFlow analysis is one of the most important parts of monitoring an enterprise-grade network.

Free netflow open source