| Field | Description | Example | |-------|-------------|---------| | Source IP | Where traffic originates | 192.168.1.100 | | Destination IP | Target of communication | 8.8.8.8 | | Source Port | Application on source | 54322 (ephemeral) | | Destination Port | Service on destination | 443 (HTTPS) | | Protocol | Layer 4 protocol | TCP (6), UDP (17) | | Packets & Bytes | Volume of transfer | 1,200 packets / 1.4 MB | | Timestamps (Start/End) | Flow duration | 14:32:10.100 – 14:32:10.950 |
Implementing NetFlow analysis transforms a reactive, "black box" network into a measurable, observable system. It is essential for capacity planning, security incident detection, and troubleshooting performance issues. netflow traffic analysis
Organizations using NetFlow analysis reduce mean time to resolution (MTTR) for network issues by 40–60% and improve threat detection speed from weeks to minutes. 2. What NetFlow Data Captures (The 7 Key Fields) A standard NetFlow v5 record includes: "black box" network into a measurable
Use IPFIX (vendor-agnostic) for new deployments. Report prepared by: [Your Name/Team] For questions or hands-on workshop: Contact Network Observability Team End of Report security incident detection