Cisco Wireless LAN Controller

What setting can I change on my wireless LAN controller so that all devices always connect to the nearest AP.?
ciscosuppAsked:
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Craig BeckConnect With a Mentor Commented:
Ok disable 12Mbps and 18Mbps and set 24Mbps to Mandatory.

Try enabling the RSSI Low Check and lower the threshold to -75dBm.
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JustInCaseConnect With a Mentor Commented:
Reduce output power of wirelles signal on AP, that is always recommended that is way to avoid problem with too many hosts are connected to one AP.
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ciscosuppAuthor Commented:
thanks but there still should be a setting on your WLC
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Son DoConnect With a Mentor Senior Network EngineerCommented:
Honestly it was likely depend one the client, not the WLC. I think workaround solution for this case as your request is change the lowest Mandatory speed from WLC.
The idea is when client connect to a far AP which signal is low, it can not afford the lowest mandatory speed and can not associate with that AP. Of course it will try another one will stronger signal.

r0ck
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Craig BeckConnect With a Mentor Commented:
There is no setting to force a client to always connect to the closest AP.  This is usually based on probe responses and/or signal-strength and SNR.

As others say, reduce the cell-size by dropping slower data-rates so that you can't 'see' further-away APs, and ensure that you don't have any problems with co-channel interference (between your APs) or from other devices which could make the closest AP appear to be more noisy (and therefore reduce the SNR) than that of further-away APs.

You 'could' turn on the aggressive load-balancing feature but I really wouldn't recommend using that, and besides it only works if the client actually listens to the AP's instruction to try a different AP.  Anyone you ask will tell you to leave that option well alone.
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ciscosuppAuthor Commented:
Can I also achieve it via 802.11u operating classes settings.
802.11u.jpg
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Craig BeckCommented:
No, this is for stadium-type deployments and doesn't do the same kind of thing you're after.
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ciscosuppAuthor Commented:
See attached basically disable all except for 54mbps
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Craig BeckConnect With a Mentor Commented:
Nothing attached, but I wouldn't disable that many rates... I usually leave everything below either 18 or 24Mbps disabled.
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ciscosuppAuthor Commented:
know its attached :-)
thanks for info
Data-Rates.jpg
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