Technical Tip: Create VIP with external FQDN to map with internal server IP address

[Dhruvin_patel]

Description	This article describes that in some environments, sometimes it is necessary to create a VIP with external FQDN to map with an internal server IP address. Follow the below steps to create a VIP: Go to Policy & Objects -> Virtual IPs and select Create New -> Virtual IP. Enter a name for the newly created VIP. Select an external interface. For Type, select FQDN. For External, select FQDN and enter the FQDN. In the Mapped address, It is necessary to select FQDN. It will not give the option to select the IP address.
Scope	FortiGuard.
Solution	To configure the VIP with external FQDN to map the internal server IP address, create the DNS database on FortiGate, which will resolve the mapped FQDN to an internal IP address. To create DNS enter on FortiGate, First of all, enable the DNS database option from feature visibility. Go to Network -> DNS server -> Create the DNS Database. DNS entry that will resolve the internal.server.fg to internal map IP(server IP) Address 10.0.10.10: Later, verify that the FortiGate can resolve the FQDN to the mapped internal server IP address. exe ping internal.server.fg PING internal.server.fg (10.0.10.10): 56 data bytes This solution will help to create VIP with external FQDN to map the internal server IP address.