Ping works by sending one or more ICMP (Internet Control Message Protocol) Echo Request packages to a specified destination IP on the network and waits for a reply. When the destination receives the package, it responds with an ICMP echo reply.

How does ping works step by step?

The ping command first sends an echo request packet to an address, then waits for a reply. The ping is successful only if: the echo request gets to the destination, and. the destination is able to get an echo reply back to the source within a predetermined time called a timeout.

What does ping in Linux do?

The Linux ping command is a simple utility used to check whether a network is available and if a host is reachable. With this command, you can test if a server is up and running. It also helps with troubleshooting various connectivity issues.