The NetFlow protocol works as follows:
Unlike packet sniffing (which captures the entire content of every packet), NetFlow captures . Think of it like a phone bill: it shows who called whom, when, and for how long, without recording the actual conversation. This makes it far more scalable for high-speed, large-scale networks where full packet capture would be too resource-intensive. How NetFlow Monitoring Works netflow monitoring
Enrich flows with AS path information. Seeing inbound traffic from AS 4134 (China Telecom) hitting your finance database? That’s a tripwire. The NetFlow protocol works as follows: Unlike packet