Scenario: Users are unable to establish a VPN connection to the Fortigate firewall.

Troubleshooting steps:

  • Verify that the VPN configuration on the Fortigate firewall is correct by running the command “diagnose vpn ike config”
  • Check the status of the VPN tunnel by running the command “diagnose vpn tunnel list”
  • Make sure that the IP addresses and security policies for the VPN connection are correct by running the command “diagnose firewall policy list”
  • Check the system logs for any error messages related to the VPN connection by running the command “diagnose system event list”
  • If the problem persists, try resetting the VPN connection by running the command “execute vpn clear”

Multiple Choice Question to check your knowledge.

Q1. What command can be used to verify the VPN configuration on the Fortigate firewall?

a) diagnose vpn ike config

b) diagnose firewall policy list

c) diagnose vpn user list

d) diagnose sys top

Q2. Which command can be used to check the status of the VPN tunnel?

a) diagnose vpn ike config

b) diagnose firewall policy list

c) diagnose vpn tunnel list

d) diagnose sys top