The time taken in between sending ICMP echo request and receiving ICMP echo reply is called round-trip time. At the end of its output it shows a statistical summary which contains packets sent and received, packet loss and minimum, maximum and average round-trip time values. Ping basically sends ICMP echo request packet to the destination device and wait for ICMP echo reply from the destination. ICMP stands for Internet Control Message Protocol. If network is perfect then both machines A & B will be able to send and receive ping packets between each other. Here ping is the first thing to do to verify the connectivity between two machines within this small network. For example if we connect two computers using Ethernet cable and configured the IP settings properly then we can call it a network. In simple words, a simple network can be made up of two or more devices connected together using any media and properly configured as well. ![]() ![]() We can verify connectivity between any two devices within a private or public network. Ping basically is the simplest tool to verify network connectivity.
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