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CCNA Wireless 640-722 Official Cert Guide by David Hucaby

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Using Cisco CleanAir to Manage Interference

As you have learned in this book, WLANs use the same unlicensed bands as many other technologies and devices. If the RF conditions in your environment are superb, such that your 802.11 APs and clients can enjoy clear channels with low noise and no interference, users will be happy and your job will become easier. However, it is all too easy for someone to power up a rogue AP or a non-802.11 device that begins to interfere with your network.

If some portion of your wireless network begins to have degraded performance, wireless interference might be occurring there. How should you approach such a problem? First, you should figure out what type of device is generating the interference. Then you should ...

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