Nfsen vs SolarWinds Netflow Traffic Analyzer

Nfsen is an open source Netflow sensor for network traffic monitoring. It provides extensive visualization tools and options for analyzing network flows collected by Netflow enabled routers and switches.

SolarWinds Netflow Traffic Analyzer is a network traffic monitoring software that analyzes Netflow, sFlow, IPFIX, and other flow data to provide visibility into bandwidth usage and traffic patterns. It features automated reporting, threshold alerting, network performance monitoring, and Cisco AVC support.