Troubleshooting Tip: The IPsec VPN tunnel not coming up, with debug message 'ignoring IKE request, interface is administratively down'

[jlim11]

Description	This article explains why the debug error message appears when the IPsec tunnel is not going up: This issue happens while IPSEC VPN settings are properly configured, and the Physical interface is up(In this example, It is port1):
Scope	FortiGate.
Solution	The debug error message is referring to the actual IPSEC tunnel interface, not the physical interface. Changing the status to 'Enabled' or 'Up'  will fix the issue. To check the status of the IPSEC tunnel interface. From GUI: From CLI: For this particular issue, It is more likely that the changes were done administratively. It is possible to confirm when the changes were made, or who made the changes under the System Event Logs.