Technical Tip: Delete DHCP configuration from FortiGate

[Mrinmoy]

Description	This article describes how to delete a DHCP configuration from a FortiGate.
Scope	FortiOS 6.4 or above.
Solution	Option 1 (GUI): Under Network, select the interface which has DHCP configured:   Edit that interface:   Use the toggle button to disable the DHCP option:   Option 2 (CLI): Verify the current DHCP config by entering the following command: config system dhcp server show Delete the desired entry by entering the following command: delete ENTRY_NUMBER end CLI example: config system dhcp server show config system dhcp server edit 1 set ntp-service local set default-gateway 10.255.1.1 set netmask 255.255.255.0 set interface "fortilink" config ip-range edit 1 set start-ip 10.255.1.2 set end-ip 10.255.1.254 next end set vci-match enable set vci-string "FortiSwitch" "FortiExtender" next edit 2 set dns-service default set default-gateway 192.168.100.1 set netmask 255.255.255.0 set interface "port2" config ip-range edit 1 set start-ip 192.168.100.2 set end-ip 192.168.100.254 next end next end delete 2 show config system dhcp server edit 1 set ntp-service local set default-gateway 10.255.1.1 set netmask 255.255.255.0 set interface "fortilink" config ip-range edit 1 set start-ip 10.255.1.2 set end-ip 10.255.1.254 next end set vci-match enable set vci-string "FortiSwitch" "FortiExtender" next end