setup wpa2 enterprise with Aruba 650

currently on our network, wifi is setup as WPA2 enterprise with server 2008 as radius server and with the aruba 650 + APs. I don't know much about the aruba, I am wondering what is the advantage of using it. I know I could simply  set up the WPA2 enterprise with server 2008 as radius server and with the dlink or linksys wireless router (running dd-wrt) as AP... so why need aruba?
okamonAsked:
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R_EdwardsCommented:
The Aruba 650 is not just a access point, it is a access controller.  Yes you could do similar with the DDWRT, but the Aruba has more functions.  For example, if you plug in a AP, you will have to go to that AP and configure it, through the Aruba 650 you just join it to your mesh and the config is pushed to the AP.  You can also have multiple AP by zone or VLAN, enable or disable AP via single management point, have a single place to look at performance, and the controller can detect when a AP is getting over burdened and hand off the PC to another AP that is within range.   The Controller can detect rogue AP, as well as Interfering AP.  I am not a pusher of Aruba, I personally prefer Ubiquiti over them, but an access controller is a easier way to manage your wireless.

/r
Richard
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