To gather information for troubleshooting IKE issues, use the following CLI Command. Display detailed debugging information for FortiGate software systems. To get diagnose information for the VPN connection – CLI Log into the CLI as admin with the output being logged to a file. Especially all the (R-U-THERE) messages (lots and lots). debug Phase 2 selectors Hello, I am troubleshooting a VPN with the other party is a Cisco ASA. To use the packet sniffer For debugging IPsec VPN. diagnose debug reset. I need to debug a VPN that is not being properly stabilished. To enable debug logging on the console (should be default) do.
fgt300C-fw (root) # diagnose debug console. The Fortinet Cookbook contains examples of how to integrate Fortinet products into your network and use features such as security profiles, wireless networking, and VPN. Diagnose VPN Hello, I have a device running 5.2.7 with over 1,000 dialup VPNs at every moment. Attempt to use the VPN and note the debug output in the SSH or Telnet session. Solution. Start an SSH or Telnet session to your FortiGate unit. Start an SSH or Telnet session to your FortiGate unit. diagnose debug enable Have the remote FortiGate initiate the VPN connection in the web-based manager by going to VPN > IPsec Tunnels and selecting Bring up . Enter the following CLI commands diagnose debug application ike -1 diagnose debug application l2tp -1 diagnose debug enable . diagnose debug application sslvpn -1. Start an SSH or Telnet session to your FortiGate unit. I would like to know the exact format of the Phase 2 selectors/Encryption Id's/Proxy Id being sent to us by the Cisco ASA I have tried the following commands to debug IKE diagnose debug disable diagnose vpn ike log-filter clear diag debug application ike will display the debug level and the IP address if specified (no filter if nothing specified) To remove the IP filter, re-specify the debug level without a filter. Using the Cookbook, you can go from idea to execution in simple steps, configuring a secure … debug service. FortiOS diagnose commands, commonly called diag commands, are powerful CLI commands that allow you to see what is happening at a low level. Using the FortiGate unit debug commands Viewing debug output for IKE and L2TP. Using the packet sniffer. diagnose debug disable Clear any existing log-filters by running; diagnose vpn ike log-filter clear Set the log-filter to the IP address of the remote computer (10.11.101.10). The command is; diagnose vpn ike log-filter dst-addr4 10.11.101.10. Use this command to reset the debug level settings. Enter the following CLI commands; diagnose debug application ike -1. diagnose debug application l2tp -1. diagnose debug enable Attempt to use the VPN and note the debug output in the SSH or Telnet session. debug reset. Attempt to use the VPN and note the debug output in the SSH or Telnet session.

fgt300C-fw (root) # diagnose debug enable.