ping destination host unreachable

Ping and traceroute are foundational tools for network troubleshooting, widely utilized in CCNA and CCNP certifications. These utilities leverage ICMP (Internet Control Message Protocol) to diagnose connectivity, latency, and routing issues, making them indispensable in both lab environments and real-world network management. For CCNA students, mastering ping helps verify host reachability, while CCNP students can… Read more