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 …

Jun 13, 2025 · Learn about NetFlow protocol and its versions, IPFIX, key concepts, and get started with configuring NetFlow version 9 or 10 on your network to monitor traffic.

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

Jul 21, 2025 · Netflow is a network protocol that collects & monitors network flow traffic, capturing important aspects such as IP addresses, protocol types, and port numbers.

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.

Dec 25, 2025 · NetFlow is a network monitoring protocol that summarizes IP traffic flows. Learn how NetFlow works, its benefits, limits, and real-world use cases.

4 days ago · This article will cover the basics of Netflow, including its use cases, Netflow supported devices, Netflow history, and variants. We’ll also dive into the technical details of how the Netflow …

Aug 13, 2025 · Cisco NetFlow is a powerful protocol that enables real-time network traffic monitoring, helping you identify top talkers, bandwidth hogs, and potential security threats with ease.

What is NetFlow? NetFlow, the most widely-used standard for flow data statistics, was developed by Cisco to monitor and record all traffic as it passes in to or out of an interface.