Configuring Switches And Routers To Send Netflow Data To Nagios Network Analyzer

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Ethan Galstad
Enterprise network infrastructure with NetFlow data collection and monitoring visualization

This document describes how to setup Netflow data collection on enterprise grade switches and routers, and relay that information to Nagios Network Analyzer (NNA). It is intended for use by network administrators who are doing the initial setup of their NNA software.

Network Analyzer 2026

Configuring Switches & Routers to Send Flow Data to NNA – 2026

Network Analyzer 2024

Configuring Switches & Routers to Send Flow Data to NNA – 2024

Network Analyzer v2 (Legacy)

Configuring Switches & Routers to Send Flow Data to NNA – v2 (Legacy)

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