Fortigate NAT Problem

Fortigate NAT Problem

Hi there,
I have a Fortigate 400A firewall and I have enabled sflow on it's wireless interface,now net flow analyzer shows only my public IP address in sourse and dest IP list while monitoring Internet usage,I wanna to view the exact hosts LAN IP addresses. I have searched a lot and find that I must enable IP route-cache flow and IP flow ingress... but this commands are for Cisco routers.please help me to find equal commands in fortigate firewalls for this issue.
thank you
 

                New to ADSelfService Plus?