Linux Ping Options Every Network Engineer Should Know
The iputils ping flags engineers actually use: -c/-i/-q for jitter, -s/-M for MTU, -D for timestamps, and the -I flag that fixes confusing IPv6 failures.
Networking
Vendor-neutral fundamentals that apply no matter whose box you are logged into. Addressing, encapsulation, the OSI layers in practice, and why the packet went where it did.
Latest posts — page 4
Ping Timeout vs Destination Unreachable: Decoding Every Failure
Silent 100% loss and Destination Unreachable are different failures pointing at different problems. Every ping failure message decoded with live lab captures.
How Ping Works: The ICMP Echo Exchange Explained
What actually happens between typing ping and the reply line, decoded field by field on a live 3-hop Cisco lab: ICMP echo, TTL, RTT, and jitter.