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Troubleshooting YourNetwork
2007 Cisco Systems, Inc. All rights reserved. Cisco Public 1Version 4.0
Networking for Home and Small Businesses Chapter 9
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Objectives Describe the troubleshooting process.
Describe the utilities used to verify TCP/IPconnectivity.
Identify and describe common hardware and
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.
Utilize the troubleshooting process to documentproblems and interact with a help desk.
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Section 9.1
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Troubleshoot Process
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The Troubleshooting Process Identify and describe troubleshooting process
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The Troubleshooting Process Gathering Information
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The Troubleshooting Process Describe approaches to troubleshooting
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The Troubleshooting Process Describe approaches to troubleshooting
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The Troubleshooting Process Describe approaches to troubleshooting
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Section 9.2
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Troubleshooting Issues
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Utilities Used to Verify TCP/IP Connectivity Detecting Physical problems
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Utilities Used to Verify TCP/IP Connectivity Identify and describe software utilities for
troubleshooting connectivity.
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Utilities Used to Verify TCP/IP Connectivity Describe and use Ipconfig
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PT Activity 9.2.3[2]-Using the Ipconfig Command
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Utilities Used to Verify TCP/IP Connectivity Describe and use ping
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Using the Ping Command
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Utilities Used to Verify TCP/IP Connectivity Describe and use tracert
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Utilities Used to Verify TCP/IP Connectivity Describe and use netstat
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Utilities Used to Verify TCP/IP Connectivity Describe and use nslookup
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Hands-on Lab 9.2.7- Troubleshooting Using Network
Utilities
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Section 9.3
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Common Issues
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Hardware and Connection Issues in Wired &Wireless Networks Isolating connectivity issues
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Hardware and Connection Issues in Wired &Wireless Networks Describe the purpose of LED indicators and their
meaning.
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Hardware and Connection Issues in Wired &Wireless Networks Describe connection issues with wired networks.
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Hands-on Lab 9.3.3[2]-Troubleshooting Physical Connectivity
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Hardware and Connection Issues in Wired &Wireless Networks Identify and describe radio issues with a wireless
network.
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Hardware and Connection Issues in Wired &Wireless Networks Identify and describe radio issues with a wireless
network.
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Hardware and Connection Issues in Wired &Wireless Networks Identify and describe association and authentication
issues within a wireless network.
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PT Activity 9.3.5[2]- Troubleshooting a Wireless Connection
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Hardware and Connection Issues in Wired &Wireless Networks DHCP Issues.
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Hardware and Connection Issues in Wired &Wireless Networks DHCP Issues.
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Hardware and Connection Issues in Wired &Wireless Networks Troubleshooting Integrated Router to ISP connections.
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Section 9.4
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Troubleshooting and the Help Desk
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Utilizing the Troubleshooting Process forDocumentation and Help Desk Interactions Describe the importance of documentation
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Utilizing the Troubleshooting Process forDocumentation and Help Desk Interactions Using outside sources of help
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Utilizing the Troubleshooting Process forDocumentation and Help Desk Interactions Using the Helpdesk
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Utilizing the Troubleshooting Process forDocumentation and Help Desk Interactions Using the Helpdesk
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Utilizing the Troubleshooting Process forDocumentation and Help Desk Interactions Using the Helpdesk
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Summary Effective troubleshooting combines instinct, experience, and
structured techniques to identify, locate, and correct network orcomputer problems.
Documentation is essential in effective troubleshooting, and shouldcontain baseline information about the network.
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components. Many networking problems can be identified with software utilities
such as ping, tracert, and netstat.
In a network containing both wired and wireless connections, it is
important to isolate the problem to either the wired or wirelessnetwork.
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