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.

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.

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.

Jul 18, 2024 · Quick Definition: NetFlow data is a network protocol developed by Cisco for collecting and monitoring network traffic flow information. It provides detailed insights into network usage, helping to …

Nov 13, 2022 · To manage the vast amount of data generated, network devices use a NetFlow cache to store active flow records. The cache condenses data into a manageable format and periodically …

Cisco provides a set of NetFlow applications to collect NetFlow export data, perform data volume reduction, post-processing, and provide to end-user applications easy access to NetFlow data.