FortiGate
FortiGate Session Troubleshooting with Flow Debug, Sessions and Logs
Trace a FortiGate session through policy, routing, NAT, flow debug and logs to isolate why traffic is not behaving as expected.
FortiGate
FortiGate Packet Sniffer and Debug Flow for Real Troubleshooting
Use FortiGate packet sniffer and debug flow together to determine where traffic is lost and how the firewall processes it.