Use the USG firewall ping command.

The USG2000 & 5000 & 6000 ping command is interpreted and used as follows:

The ping (Packet Internet Groper) command is the most common debugging tool for detecting network device accessibility. It uses the echo information of ICMP (ICMP6 for IPv6) to determine:
1. Whether the remote device is available.
2. The round-trip delay of communication with the remote host.
Packet (packet) of the loss of the situation.

The ping command is mainly used to check whether the network connection and the host are reachable. E.g:
Check whether the host with IP address 10.1.1.2 is reachable.
E.g:
ping 10.1.1.2
Ping 10.1.1.2: 56 data bytes, press CTRL_C to break
Reply from 10.1.1.2: bytes = 56 sequence = 1 ttl = 255 time = 1ms
Reply from 10.1.1.2: bytes = 56 sequence = 2 ttl = 255 time = 2ms
Reply from 10.1.1.2: bytes = 56 sequence = 3 ttl = 255 time = 1ms
Reply from 10.1.1.2: bytes = 56 sequence = 4 ttl = 255 time = 3ms
Reply from 10.1.1.2: bytes = 56 sequence = 5 ttl = 255 time = 2ms
- 10.1.1.2 ping statistics--
5 passengers transmitted
5 packets received
0% packet loss
Round-trip min / avg / max = 1/2/3 ms

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