Fortigate - ARP

List existing ARP entries:

get system arp

Add static ARP entry:

config system arp-table
        edit %value%
        set interface %int%
        set ip 192.168.0.100
        set mac 00:00:00:00:00:00
End

%value% – create or edit entry number.
%int% – Interface name (wan1, wan2,internal,dmz).

Delete ARP entries:

config system arp-table
        delete %value%
end

%value% – is the entry number you want to delete.

Clear ARP cache entries:

execute clear system arp table