# ping - [Command Function](#section119672573385) - [Syntax](#section869419010390) - [Parameter Description](#section9877183173918) - [Usage](#section1097046193914) - [Example](#section14564129113911) - [Output](#section1621732891215) ## Command Function This command is used to test whether the network connection is normal. ## Syntax ping_ _\[_-n cnt_\] \[_-w interval_\] \[_-l data\_len_\]_ _ ping \[_-t_\] \[_-w interval_\] __ ping _-k_ ## Parameter Description **Table 1** Parameters

Parameter

Description

Value Range

IP

Indicates the IPv4 address whose network connectivity is to be tested.

N/A

-n cnt

Indicates the number of execution times. If this parameter is not specified, the default value is 4.

1-65535

-w interval

Indicates the interval between two ping packets, in ms.

>0

-l data_len

Indicates the length of the ping packet, that is, the ICMP echo request packet.

The ICMP packet header is not included.

0-65500

-t

Indicates a permanent ping thread, which will be killed until the ping -k command is executed.

N/A

-k

Kills the ping thread and stops the ping operation.

N/A
## Usage - Run the **ping** command by setting a destination IP address to check whether the network connection to the destination IP address is normal. - If the destination IP address is unreachable, the system displays a message indicating that the request times out. - If no route is available to the destination IP address, an error message is displayed. - This command can be used only after the TCP/IP protocol stack is enabled. ## Example Enter **ping 192.168.1.10**. ## Output **Figure 1** Output of pinging the IP address of the TFTP server ![](figures/snipaste_2021-01-26_10-38-58-2.png)