FortiGate configure manage ip on CLI

Using the CLI to configure Transparent mode

Start a terminal emulation program (HyperTerminal) on the management computer.
Use these settings:

Baud Rate (bps) : 9600
Data bits : 8
Parity : None
Stop bits : 1
Flow Control : None

At the Login: prompt, type admin and press Enter twice (no password required).

Change from NAT/Route mode to Transparent mode.

Configure the Management

config system settings
set opmode transparent
set manageip <mng_ip>/<netmask>
set gateway <gateway_ip>
end

Configure the dns

config system dns
set primary <dns-server_ip>
set secondary <dns-server_ip>
end