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PK $yKCmL6 L6 content.xmlDo it remotelyIf possible, diagnose and repair faults remotely:Saves you travelling time.Allows you to check many potential causes quickly.First step towards automation.But sometimes, face-to-face contact is more important! (When?)Faster diagnosis of faults means a higher level of user satisfaction and
quality of service. The whole university network runs better.Discuss in your groups:How would you check the printer statusremotely?How would you tell if the user's computer is running slowlyremotely?How would you tell if the user's computer is connected to the network
remotely?How would you tell if the Internet connection is OKremotely?Remote diagnosis toolsWhat problems could these tools help you with?Printer's built-in web serverSwitch's built-in web serverWindows remote destop (mstsc)Windows performance counterspingtracerouteA network diagramThere are many useful command-line and graphical tools that can help you
to diagnose problems remotely:Most printers have a web server that tells you their status, if you
connect them to the network.You can use Windows Remote Desktop or VNC to log into a computer and
Task Manager to check its performance.You can enable Windows' Performance Counters and access these remotely
over the network. (Memory, swap, disk and CPU usage would be particularly
useful).You can use theping command to check the network connection of a
computer or the Internet.You can use thetraceroute command to identify routing hops between
you and a target computer, locally or on the Internet (layer three).Managed switches have web interfaces that you can use to check port
link status (you did write down what's connected to each port? :-)
and connected MAC addresses (in case you didn't).You can useNetdot
to automatically draw network diagrams at layer two, to help you diagnose
layer two faults (between switches).Look at your list of faults, and identify which tools you could use to
diagnose them. Use the Internet or brainstorm in a group to generate ideas.Practical sessionA fault has been reportedDon't just dive in and fix it!Brainstorm ideas for what to checkThe facilitator will answer your questionsYou may have been given a real, faulty piece of equipment, or if all our
equipment is working perfectly, the facilitator may simulate a fault for you.
If it's a real fault, you may be able to use network tools to investigate it
yourself.Your facilitator might ask you to refer to this network diagram:If you are the facilitator, you may want to set up a test network like this
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