Chapter 12
WLAN Troubleshooting
In this chapter, you will learn about the following:
Layer 2 retransmissions
RF interference
Multipath
Adjacent channel interference
Low SNR
Mismatched power settings
Near/far
Hidden node
802.11 coverage considerations
Dynamic rate switching
Roaming
Layer 3 roaming
Co-channel interference
Channel reuse/multiple channel architecture
Single channel architecture
Capacity vs. coverage
Oversized coverage cells
Physical environment
Voice vs. data
Performance
Weather
Diagnostic methods that are used to troubleshoot wired 802.3 networks should also be applied when troubleshooting a wireless local area network (WLAN). A bottoms-up approach to analyzing the OSI reference model layers also applies to wireless networking. ...
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