1# ping 2 3 4## Command Function 5 6This command is used to test an IPv4 connection. 7 8 9## Syntax 10 11ping *[-4] [-c cnt] [-f] [-i interval] [-q] [-s size] <IP>* 12 13 14## Parameters 15 16**Table 1** Parameter description 17 18| Parameter| Description| Value Range| 19| -------- | -------- | -------- | 20| --help | Displays the parameters supported by the **ping** command.| N/A | 21| -4 | Forcibly pings the destination address using the IPv4 protocol.| 0-65500 | 22| -c CNT | Specifies the number of execution times. The default value is **3**.| 1-65535 | 23| -f | Pings an IPv4 address in implicit mode. The default parameter configuration is equivalent to **-c 15 -i 0.2**.| N/A | 24| -i interval | Specifies the interval (in ms) for sending a ping packet.| 1-200 | 25| -q | Implicitly pings an IPv4 address. If the host is still alive, the ping stops after **true** is returned.| N/A | 26| -s SIZE | Specifies the size of a ping packet, in bytes. The default size is **56** bytes.| 0-4088 | 27| IP | Specifies the IPv4 address of the network to test.| N/A | 28 29 30## Usage Guidelines 31 32- The **ping** command is used to check whether the destination IP address is reachable. 33 34- If the destination IP address is unreachable, the system displays a message indicating that the request times out. 35 36- If no route is available to the destination IP address, an error message is displayed. 37 38- This command can be used only after the TCP/IP protocol stack is enabled. 39 40 41## Example 42 43Run **ping 192.168.1.3**. 44 45 46## Output 47 48Ping a TFTP server IP address. 49 50``` 51OHOS:/$ ping 192.168.1.3 52Ping 192.168.1.3 (192.168.1.3): 56(84) bytes. 5384 bytes from 192.168.1.3: icmp_seq=0 ttl=0 time=0 ms 5484 bytes from 192.168.1.3: icmp_seq=0 ttl=0 time=1 ms 5584 bytes from 192.168.1.3: icmp_seq=0 ttl=0 time=0 ms 56--- 192.168.1.3 ping statistics --- 573 packets transmitted, 3 received, 0% packet loss 58round-trip min/avg/max = 0/0/0 ms 59``` 60