The ping command helps to verify IP-level connectivity. When troubleshooting you can use ping to send an ICMP echo request to a target host name or IP address. Use ping whenever you need to verify that a host computer can connect to the TCP/IP network and network resources.

Determines the number of echo requests to send.
The default is 4 requests.
The Max size is 9223372036854775806 requests.

Enables you to adjust the size of the ping packet.
The default size is 32 bytes.
The Max size is 65500 bytes.