T is the total FortiOS system memory in Mb. In the example, 98I means the CPU is 98% idle. In the example, 0S means 0% of the system processes are using the CPU. S is % of system processes (or kernel processes) using CPU. In the example, 0U means 0% of the user space applications are using CPU. U is % of user space applications using CPU. Once the TOP screen is displayed, you can use the letters below to filter the output differently. On the command line, you can use the following methods and commands Viewing Performance Settings on FortiGate CLI You can log into the FortiGate and under the Dashboard, set the time rage filter to 24 Hours for Memory, CPU and even Sessions Viewing Performance Settings on FortiGate GUI (Make sure to disabled after troubleshooting) Set the Log Level to Debug to ensure the highest verbosity.The commands above will troubleshoot authentication on the FortiGate Gathering FortiClient Logs This will be useful to provide to TAC if needed. Set the terminal to capture the output to a file.

You can run them from the GUI Console screen or by using your favorite terminal application (e.g. Here are some troubleshooting commands for the SSL VPNs on the FortiGate. 98% – corruption of services/often resolved by reinstalling the client on the laptop. 40% – Application or the Fortigate causing the error, occasionally caused by the local machines/network setup Percentage and Possible Issue - 10% – Local Network/PC issue Troubleshooting FortClient VPN Connectivity Issues with FortiGateĪs more and more users are using remote access VPNs and probably using FortiClient, I wanted to share the errors you are encountering based on the percentage when it fails and some troubleshooting steps around Remote Access VPNs.

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