MC-LAG ó Multi-Chassis Link Aggregation Group

dos cortafuegos en HA conectados a dos fortiswitch

• Habilitamos la configuración de los switch desde el fortigate

 config system global
  set switch-controller enable
end

• Creamos el interfaz de tipo agregado

config system interface
   edit fortilink
     set vdom root
     set type aggregate
     set members port13 port14
     set fortilink enable
     set auto-auth-extension-device enable
   next
end

• https://help.fortinet.com/fos60hlp/60/Content/FortiOS/fortigate-managing-fortiswitch/Stacking.htm?Highlight=stacking
• https://fortixpert.blogspot.com/2017/12/configuracion-fortilink-mc-lag.html