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Cisco 1242AG Access Point Roaming

Posted on 2011-09-24
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Last Modified: 2013-12-27
I have a big house. and 3 Cisco 1242 AG routers. I do NOT have a WLAN Controller. All AP's are atonomous. I would like to have just one SSID on the G 2.4 GHz interface that when people are out by the pool they are getting signal from ap1, if they are in the basement or garage they use ap2 and if upstairs, bedrooms, kitchen etc.. they use ap3. I would like it to be seemless. Is there a way to have one AP be a base station and the others basically act as wireless repeaters that only need power run to them and no ethernet line? Or even if they do need an ethernet line run to each how can i make it one seemless WIFI network where people dont have to worry about manually switching between one or another depending on their location at the home?

thanks
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Question by:mxrider_420
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8 Comments
 
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Expert Comment

by:Aaron Tomosky
ID: 36593874
You need to run Ethernet cable from each one to a switch. if this is not possible, you may be able to setup wds, but even if the access points support this I still don't recommend it.
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by:mxrider_420
ID: 36593881
and how do they act as one SSID then?
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Expert Comment

by:Aaron Tomosky
ID: 36593887
Same ssid, same encryption, different channels. You will be ale to roam seamlessly between them.
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by:mxrider_420
ID: 36593978
Ok, ill try that. And why do you not suggest WDS?
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Expert Comment

by:Aaron Tomosky
ID: 36594092
If they support it, it's half speed at best.
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Expert Comment

by:Aaron Tomosky
ID: 36594095
If they support it, it's half speed at best.
G is 54/2 = 27, add overhead and security and you are down to a real world 18-20. Cut that in half for wds and I'm sure you will notice it.
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by:mxrider_420
ID: 36594327
Would a WLAN Controller add any benefit to my scenario?
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Aaron Tomosky earned 2000 total points
ID: 36595251
I'll admit I don't know much about those, but I don't think you need any of the additional features they would bring.

A large house basically needs an Ethernet skeleton joining the modem, locations for access points,  entertainment centers, and desktop PCs. Drop in a few access points setup identically except for ip and channel, and your done.
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