Ping Command | ICMP Protocol
Ping command in computer network The Ping command is a simple network troubleshooting tool that helps us check whether a destination is reachable. It uses the ICMP protocol and, when executed, measures the round-trip time (RTT) between the request and the response in milliseconds (ms), also known as latency. However, a destination may be online and working properly while its firewall blocks ICMP traffic, preventing it from responding to Ping requests. ping [Options] destination This is the general structure of the ping command for example, we pinged the Google domain which indicates that the destination is accessible to us Reply f rom: Destination IP Bytes: ICMP data size Time: Round-trip duration Ttl: The TTL value indicates the remaining lifetime of a packet each router along the path decrements this value by one Ttl os detection: linux < 100 < windows < 200 < router Request timed out: The issue stems from the firewall or the destination being inactive Destination hos...
