4000 Access points - Which controller ?

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Jun 13th, 2009
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I have to deploying approx 4000 APs.

2000 1252

1800 1142

200 1522


6500 with lotsa WLSMs or the new controol 5508 (which is still not orderable) ?


I don't think the 1252 is supported in the WLSM ( Its not there in the datasheet )


Appreciate any help.

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Rob Huffman Sun, 06/14/2009 - 06:39
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Hi Ahmed,


A couple of things to note here :)


I believe the 5500 series Controllers are now available to order, one of our peers just ordered a pair last week. Secondly, the module you want is named the WiSM not WLSM (the WLSM is the older Autonomous version)the WiSM does support the 1250 series AP's.


http://www.cisco.com/en/US/prod/collateral/modules/ps2706/ps6526/product_data_sheet0900aecd80364340.html


Either choice would be an excellent fit for your large deployment, I would be leaning towards the new 5500 series for some of the added features like "Office Extend".


Hope this helps!

Rob

dancampb Sun, 06/14/2009 - 08:06
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The 5508 controller can support up to 250 AP's per controller. The WiSM can support up to 300 AP's per module, 150 AP's per controller in the blade.

Leo Laohoo Sun, 06/14/2009 - 14:54
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Don't forget the infrastructure to support your wireless network: WCS and PoE+ switch


Was a Wireless LAN Site Survey conducted?

ahmedchohan Mon, 06/15/2009 - 02:18
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So in case of a WiSM deployment, I am looking at a couple of chassis. I'm assuming the chassis will act as a distribution connected to the core ? Since its a large deployment and we have around 14 distributions (6500)



Or in case of the WLC, a couple of controllers will connect to each distribution or even they will have their own cluster and connect to the core ?


I'm a bit confused on the topology part of the deployment.



George Stefanick Mon, 06/15/2009 - 20:20
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For that size campus you should consider a WLAN distribution. WLAN-A and WLAN-B. That is no small network. You will want to do this right from the start ...

Leo Laohoo Mon, 06/15/2009 - 17:42
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For 4,000 APs, you need at least 14 WiSM plus one or two for redundancy.


If you need a 5508-250, you need at least 16 units plus another one or two for redundancy. You also need 8 SFP modules (and corresponding cables) per WLC.


Hope this helps.

Leo Laohoo Mon, 08/03/2009 - 13:57
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I'm not surprised at all. In the ME, they sometimes build things really BIG!


Dubai or Abu Dhabi (UAE) is building this gigantic airport complex (extension), for example. You'll need approximately this amount of AP or more.

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