TAILIEUCHUNG - Basic Troubleshooting Process 1

To perform this lab, read the scenario to make sure that you understand the problem from the user’s standpoint, follow the lab steps, and apply any basic troubleshooting skills that you learned in earlier Cisco courses. Remember that for this lab we are concentrating on the troubleshooting model, not any particular IOS commands. | Lab Basic Troubleshooting Process 1 Objective In this lab you work with applying the basic troubleshooting model to a simple and common network problem. The model steps include 1. Define the problem 2. Gather the facts 3. Consider the possibilities 4. Create an action plan 5. Implement the plan 6. Observe the results remove changes and return to 4 if it fails . 7. Document the results To perform this lab read the scenario to make sure that you understand the problem from the user s standpoint follow the lab steps and apply any basic troubleshooting skills that you learned in earlier Cisco courses. Remember that for this lab we are concentrating on the troubleshooting model not any particular IOS commands. Scenario A single user on the SanJosel LAN claims they cannot access any network resources but their local applications still function. Other users seem to have no problems. 1-5 Semester 8 Internetwork Troubleshooting - Lab Copyright 2001 Cisco Systems Inc. Step 1 Configure a workstation with the following settings and attach it to the Fast Ethernet or Ethernet interface on any router using a crossover cable IP address Subnet mask Default Gateway The WAN interfaces are loopback interfaces so that this lab can be done with any single router 800 through at least a 4700 running the Cisco IOS. You can therefore assume that these interfaces are up. If necessary while using a console connection perform an erase start command followed by reload. Since the purpose of the exercise is to solve a simple networking problem please wait to look over this configuration until after you are done. Use the following steps to paste the configuration file called into any Cisco IOS-based router with at least one Ethernet I Fast Ethernet interface. Note The load file is configured to support many routers with various interfaces so do not be alarmed if you see error messages scroll by. Open .

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