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 …

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 …

NetFlow is a network protocol 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.

3 days ago · NetFlow has long been a foundational component of network monitoring. It is widely deployed across enterprise environments and commonly used to understand high-level …

2 days ago · Learn how Network Flow Analysis uses NetFlow, sFlow, and IPFIX to reveal traffic patterns, spot anomalies, and improve network visibility at scale.

NetFlow is a great protocol to get an insight in your network traffic. It’s the equivalent of a “phone bill” that specifies all calls that were made, where these calls took place, the duration, etc.

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 …

NetFlow collects and exports IP flow metadata (not packet payloads) from network devices. Learn how it works, NetFlow v5/v9 vs IPFIX/sFlow, and use cases.