Diagnose Traffic Flow on a Fortigate

by 
diagnose debug disable
diagnose debug flow trace stop
diagnose debug flow filter clear
diagnose debug reset
diagnose debug flow filter addr 10.10.10.1
diagnose debug flow filter port 3200
diagnose debug flow trace start 99
diagnose debug enable
diagnose debug disable
diagnose debug flow trace stop
diagnose debug flow filter clear
diagnose debug reset
diagnose debug flow filter daddr 10.10.10.1
diagnose debug flow filter saddr 20.20.20.1
diagnose debug flow trace start 99
diagnose debug enable

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