Troubleshooting Network Connections with ping, tracert, and pathping
When you need help tracking down network connection problems, the command line is the place to go.
If you’re having
problems with your network and network connections and you need
troubleshooting help, forget XP’s GUI; it
doesn’t offer you enough help. To get to the root of
the problems, you’re going to have to get down and
dirty with command-line tools. ping and
tracert are familiar tools that you might have
used on occasion, but you might not know the depth of their power or
the switches available to use with them. And you probably
haven’t heard of pathping, a kind
of combination of the two commands.
Troubleshoot TCP/IP Problems with ping
The quickest, most commonly
used, and, frequently most helpful TCP/IP troubleshooting tool is the
command-line tool ping. Use
ping to find out whether the resource or server
you’re trying to connect to on your network or the
Internet is active, and to see if there are any problems with the
hops along the way to that resource or server.
ping sends
Internet Control Message Protocol (ICMP)
Echo Request messages to the destination you’re
checking on, receives responses in return, and reports to you
information about the
connection path between you and the destination and how quickly the
packets made their trip. For example, if you are having trouble
getting
email from a server, your first step in troubleshooting should be to ping the server to see whether the server is live, ...
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