The 1200 AP's go quite a long way, so I'd bet distance isn't going to be a problem for you. Off hand, I'd say that one per floor should suffice, but like the previous post said, you won't know until you do a site survey. The nice thing is, you can scale your wireless network very easily. So if you've got too many users on an AP, it's no problem to drop additional APs in.
The coverage from the 1200's would probably suffice, however, you state that there will be approx 150 users, per floor? I can guarantee you that if you try to put 150 users through one access point, the reseults won't be pretty, and you may find yourself jobless the next day.
your going to run into a lot of problems with the solution you need, particularly with the oval shaped office, and the required number of clients.
The first thing you need to check is if you have leakage from floor to floor, use a directional patch antennae and try it in various positions around the wall of the office, use the cisco site survey tool to check if you receive a signal on the floor above.
You need to design very carefully so as to avoid any channels overlapping with each other. This usually means that access points nearby (above, below or each side) will need to be on a non-pverlapping channel. For 150 users per floor, I would recommend using approx 10 access points. Use a mixture of the 2.4Ghz and 5Ghz ranges to avoid overlapping and use directional antennaes on a lower power to keep the coverage controlled.
Get a site survey done as well, but try and do some background checks on the company you use.. I used our silver partner to do our survey and was very dissapointed when they provided me with a solution that would not work and wasn't what I had asked for.
IntroductionHow to use the Wireless LAN Controller Configuration Analyzer (WLCCA)
Javier Contreras is a Senior Tech Lead for the Wireless Business Unit in Cisco, with over 2 decades of experi...
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(#)For this reason being that : - application that doesn't use multicast, sends one copy of each packet ( data unit of traffic at layer 3 ) to each client (" who seeks the traffic ).- application that does use multicast, sends ...
Transferring Crash file from standby:
Login to the Active WLC in HA.
(Cisco Controller) >transfer upload datatype crash
(Cisco Controller) >transfer upload filename <Desired filename>
(Cisco Controller) >transfer up...