FortiGate
FortiGate Next Generation Firewall utilizes purpose-built security processors and threat intelligence security services from FortiGuard labs to deliver top-rated protection and high performance, including encrypted traffic.
pabarro
Staff
Staff
Article Id 354204
Description This article describes how to change the operation mode of the cluster HA with override set to Enable. 
Scope Procedure to change a cluster with Override Enable from Active-Active mode to Active-Passive mode.
Solution

Hardware Summary:

 

#######################################
FortiGate-1
FG100ETK11111111
Primary
Priority 135
FortiGate-100E v7.2.7,build1577,240131 (GA.M
Override Enable
Mode: Active - Active


FortiGate-2
FG100ETK22222222
Secondary
Priority 130
FortiGate-100E v7.2.7,build1577,240131 (GA.M
Override Enable
Mode: Active-Active
#######################################

 

Preparation:

 

  1. A technician must be on-site to be able to connect to the equipment.
  2. Make a full backup of the Primary (FortiGate-1).
Procedure:

 

 

  1. Make a full backup of the Primary FortiGate, FortiGate-1 (FG100ETK11111111).
  2. Physically disconnect (all cables) the Secondary FortiGate 'FortiGate-2' from the cluster. In this case, the traffic will be passed through FortiGate-1 (Primary).
  3. Connect via ssh (CLI) to the FortiGate-1 (Primary) and do the following:

 

config system ha
    set mode a-p

end

 

 

  1. Connect via ssh (CLI) to the FortiGate-2 (Secondary) and do the following:

 

config system ha

    set mode a-p

end
execute reboot

 

  1. After rebooting, physically connect FortiGate-2 (Secondary) to the cluster and wait for the FortiGates to synchronize.

  2. The traffic continues passing through FortiGate-1 (Active).

  3. After the synchronization occurs, proceed with a backup and save it for future use.