Linux.com: Ping: ICMP vs. ARP
Dec 27, 2005, 01:00 (9 Talkback[s])
(Other stories by Gerard Beekmans)
"Network and system administrators are well-versed in using the
ping utility for troubleshooting purposes, but where do you turn
when ping doesn't do the trick?
"Pinging a host is usually the first step in determining if the
host is properly connected to the network. If the host does not
respond to a ping request, the host is usually assumed to be
"But is it...?"