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1 Pertemuan 20 Network Testing. Discussion Topics Introduction to network testing Using a structured approach to troubleshooting Testing by OSI layers.

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Presentation on theme: "1 Pertemuan 20 Network Testing. Discussion Topics Introduction to network testing Using a structured approach to troubleshooting Testing by OSI layers."— Presentation transcript:

1 1 Pertemuan 20 Network Testing

2 Discussion Topics Introduction to network testing Using a structured approach to troubleshooting Testing by OSI layers Layer 1 troubleshooting using indicators Layer 3 troubleshooting using ping Layer 7 troubleshooting using Telnet 2

3 Introduction to Network Testing

4 Structured Approach to Troubleshooting

5 Broken cables Disconnected cables Cables connected to the wrong ports Intermittent cable connection Wrong cables used for the task at hand Transceiver problems DCE cable problems DTE cable problems Devices turned off Typical Layer 1 Errors

6 Improperly configured serial interfaces Improperly configured Ethernet interfaces Improper encapsulation set Improper clock rate settings on serial interfaces Network interface card (NIC) problems Typical Layer 2 Errors

7 Routing protocol not enabled Wrong routing protocol enabled Incorrect IP addresses Incorrect subnet masks Typical Layer 3 Errors

8 Layer 1 Problems in a Network

9 Layer 3 Troubleshooting Using Ping

10 Layer 7 Troubleshooting Using Telnet

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