Fortigate HA Active-Pasive

Hi All.

please give me information.

i will do configure HA in two Firewall Fortigate. the both Firewall in HA activ-pasive mode. from the both Firewall, there is a switch unmanage between Firewall and Modem internet devices.

i want to ask. will it is works ?

note: i use swicth unmanaged betwen firewall and internet device

best regards,

loris k