Workshop

If you must take out the hub that the server or router is connected to, make sure to test whether it’s up or
down by checking your documentation and seeing whether a workstation connected to this hub is up.
Once you find the port, it’s time to refer to your physical documentation, figure out which node on the
network the port belongs to, and then determine the local problem. In most cases, you’ll find these types
of problems to either be a mangled network cable, a bad network card, or even just a PC that’s locked up.
Again, “smart hubs” will automatically figure out certain kinds of problems, and performing this process
is somewhat primitive in this era of “automatic transmission” shared networking. However, it’s good to
know how to drive a standard transmission (just in case you have to); plus, if you know how to
troubleshoot a “standard,” you’re that much better at understanding how an “automatic” works.
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