This solution will help the administrator troubleshoot the problem by tracing the packet flow through the FortiGate device and displaying the details of each step. A debug flow can show the source and destination interfaces, the firewall policy, the routing table, the NAT translation, the security profiles, and the session information of the packet1. A debug flow can also show any errors or anomalies that occur during the packet processing. To execute a debug flow, the administrator can use the diagnose debug flow command in the CLI