You cannot ping the FortiGate default gateway 10.10.10.1 from the FortiGate CLI. The FortiGate interface facing the default gateway is wan1 and its IP address is 10.10.10.254/24. During the initial troubleshooting tests, you confirm that you can ping other IP addresses in the 10.10.10.0/24 subnet from the FortiGate CLI without packets lost.
Which two CLI commands will help you to troubleshoot this problem? (Choose two.)
A. diagnose debug flow filter saddr 10.10.10.1 diagnose debug flow trace start 10
B. diagnose hardware deviceinfo nic wan1
C. diagnose ip arp list
D. diag sniffer packet wan1 ‘arp and host 10.10.10.1