NetFlow is a network protocol developed by Cisco Systems that enables network administrators to collect IP traffic information and analyze it to monitor network traffic flow and volume. Here’s a breakdown of what NetFlow is and how it functions:

**1. Data Collection: NetFlow gathers information about IP flows traversing a network. A flow is defined as a unidirectional sequence of packets sharing the same source IP address, destination IP address, source port, destination port, and IP protocol type.

Netflow Dashboard