Technical Tip: How to bring the interface status up from CLI

[pradeepb]

Description

In some cases, it is possible to unknowingly bring down the interface status from GUI and loose access to FortiGate along with network traffic drops on that interface.
In scenarios where that interface is the only source for accessing the unit, it is necessary to access unit CLI using the console port and bring the interface up.

This article describes how to bring the interface status up from CLI.

Scope

FortiGate.

Solution

Commands to enable interface status up:

config system interface
    edit <interface name>
        set status up
    end

The same commands can be used to change the interface status of an individual interface in a group as well :

Port 5 status is disabled. It is in a LAG

Changing the status via CLI

Related articles:

Technical Note: Serial cable pinouts for console access to Fortinet hardware products

Troubleshooting Tip: Cannot access the FortiGate web admin interface (GUI)