FortiGate Troubleshooting Assistant is an interactive knowledge base for network and security engineers. Access verified troubleshooting commands, guided workflows, error analysis, and official Fortinet documentation from a single interface.
Troubleshoot VPN, routing, firewall policies, NAT, authentication, SD-WAN, HA, logging, and FortiManager connectivity. Start from a symptom, search an error, or analyze FortiGate output to quickly identify the most likely root cause and recommended actions.
Press / to search commands, errors, scenarios, and documentation.
Quick Parameters
Select the problem: the tree guides you step by step to the root cause.
The most frequent real-world FortiGate troubleshooting issues, with causes ranked by probability.
Paste any FortiGate output — debug flow, IKE, fnbamd, sniffer, show commands — and the engine automatically recognizes known patterns.
Quick Examples
Pattern matching runs locally in your browser — no data is transmitted.
Output with matched patterns highlighted
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No Pattern Recognized
Try pasting more context or search the .