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NetFlow Definition: NetFlow is a network protocol developed by Cisco used for collecting IP traffic information and monitoring network traffic flow.
NetFlow is a network protocol developed by Cisco that allows for the collection and analysis of network traffic data. It provides detailed information on IP flows within a network, including source and destination IP addresses, ports, protocols, and packet size. NetFlow data is commonly used for network monitoring, security analysis, and capacity planning in order to identify abnormal traffic patterns, detect security incidents, and optimize network performance.