On your router (Cisco example):
interface GigabitEthernet0/1 ip flow ingress ip flow egress ! ip flow-export version 9 ip flow-export destination 192.168.1.100 9995 netflow tool
: A popular choice for those wanting to build their own stack. Users highlight that it works great for parsing logs , but some find the administrative setup (like Docker configuration and certificate management) to be non-intuitive or cumbersome. Open-Source & Free Options netflow tool
Access nfsen web UI at http://collector-ip/nfsen netflow tool
: Well-regarded for its web-based interface , making it easy to navigate from multiple machines.