Netflow Collector |link| Page

A standard NetFlow monitoring setup consists of three distinct components:

tcpdump -i eth0 -n udp port 2055 -vv

A is a software or hardware appliance responsible for receiving, processing, storing, and analyzing NetFlow data exported from network devices (routers, switches, firewalls). While a router generates the flow records, the collector makes that data useful by converting raw datagrams into actionable insights about traffic patterns, bandwidth usage, and security threats. netflow collector

Ready to deploy your own? Start with pmacct (lightweight) or Elastiflow (full-stack) on a VM with 4 vCPUs and 16GB RAM – sufficient for 50k flows/sec. A standard NetFlow monitoring setup consists of three