Here are the top 3 ways to analyze Cisco NetFlow for .
! Define the monitor (what traffic to capture) flow monitor FLOW-MONITOR exporter FREE-ANALYZER record netflow ipv4 original-input cache timeout active 60 !
Before diving into the tools, it is essential to understand the data source. NetFlow is a network protocol developed by Cisco for collecting IP traffic information and monitoring network traffic activity.
When selecting a free tool, ensure it supports these essential Cisco-specific features:
Note: On newer Cisco IOS-XE devices, replace ip flow monitor with ip netflow syntax.
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