NetFlow NetFlow is a feature that was introduced on Cisco routers around 1996 that provides the ability to collect IP network traffic as it enters or exits an interface. By analyzing the data provided by …

NetFlow provides valuable information about network users and applications, peak usage times, and traffic routing. Cisco invented NetFlow and is the leader in IP traffic flow technology.

Using a NetFlow collector enables IT professionals to perform NetFlow analysis and gain deeper insights into the sources and destinations of network flow and how much traffic is being generated.

NetFlow is a network protocol widely used to collect metadata about the IP traffic flowing across network devices such as routers, switches and hosts.

Oct 18, 2024 · NetFlow is a network monitoring protocol, developed by Cisco, designed to capture measurements about the volume and types of traffic traversing a network device.

Sep 15, 2025 · What is NetFlow? NetFlow is a Cisco-developed network monitoring protocol that records information about the frequency and sorts of data traffic passing through an access point. A …

Aug 2, 2025 · A NetFlow traffic analyzer is NetFlow monitoring software that gives you complete visibility into your network traffic patterns. Think of it as your network’s detective that analyzes NetFlow data …