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 transcript:

1 Pertemuan 20 Network Testing

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

Introduction to Network Testing

Structured Approach to Troubleshooting

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

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

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

Layer 1 Problems in a Network

Layer 3 Troubleshooting Using Ping

Layer 7 Troubleshooting Using Telnet

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