Crash Course

Wireless network troubleshooting

Network operators often have the difficult task of troubleshooting wireless issues that arise not only on the wireless LAN but also with user connectivity problems. Having knowledge of common wireless hardware problems and configuration issues is a must. These articles will provide you with techniques to assist you in solving most wireless issues.


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Troubleshooting wireless networks: A systematic approach
Troubleshooting wireless networks can take up a lot of time for network operations staff with a wireless LAN (WLAN) environment. Wireless guru Lisa Phifer discusses the tools and processes involved and breaks down how to approach and resolve wireless problems with a step-by-step, systematic method.

Helpful steps in troubleshooting your wireless connectivity problem
When you encounter trouble connecting a wireless host (desktop, laptop, PDA) to an office network, these debugging steps can be helpful.

Troubleshooting WLAN connectivity on the network
This tip looks at potentially troublesome areas you should consider when troubleshooting WLAN connectivity on the network.

Configuring and troubleshooting wireless LAN clients
In this tip, Robbie Harrell discusses how to troubleshoot WLAN client connectivity issues.

Keep an eye on the sky: WLAN usage monitoring
Learn how to monitor 802.11 network usage by combining traditional network and session monitoring techniques with wireless-specific methods and tools.

Wireless access points: Placement checklist
If you're trying to locate the best places to put your wireless access points (WAPs) manually, the trick is to keep three key relationships in mind. This tip serves as a checklist.

Eliminating interference thru Wi-Fi spectrum analysis
As Wi-Fi matures companies are becoming increasingly concerned about optimizing performance and reducing radio interference.

Ten myths of Wi-Fi interference
This article provides an overview of WLAN interference concerns.

Lisa Phifer addresses your wireless troubleshooting questions

  1. Why is our WLAN experiencing throughput dropping even where signal strength is excellent?
  2. Why can't I print on my wireless network?
  3. Why can't my notebook with wireless card connect to our router?
  4. Why are we experiencing repeated network drop-outs?
  5. I am unable to see other PCs or share files on my WLAN. How do I diagnose my problem?

Do you have a wireless issue that isn't addressed in this guide? Send your question to Lisa Phifer or browse through her entire collection of Q&As.

Book excerpts

Wireless Networks For Dummies
This chapter explains the risks and the rewards of going wireless, helps you sort out acronyms and types of wireless networks, and offers advice on planning, installing, administering and troubleshooting your wireless network.

Installing, Troubleshooting, and Repairing Wireless Networks, Chapter 2
Larger networks with more client systems may require different and more costly access point equipment. If your network spans a larger area than one access point or antenna scheme can cover, you will have to work out the design and costs of creating a contiguous, multi-access-point network.

See our WLAN All-in-One Guide for more in-depth information on installing, maintaining and securing your WLAN.

This was first published in August 2006

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