We got around 375 clients on our 40 APs (R700) where there are 47 Mac's (Pro and Air) & 67 iOS Devices who are having huge wifi problems. The wifi is instable, they can find the SSID but when they connect they are connected for like 5 minutes, then they disconnect and dont reconnect. Windows users also have some problems but not that huge in comparison of Apple users.
We got the 2.4Ghz and the 5Ghz enabled. 2.4Ghz Channels (20Mhz) : 1,6,11 5Ghz Channels (80Mhz) : 36,40,44,48,52,56,60,64,100,104,108,112,116,120,124,128,132,136
We cant find the issue, most of the Apple users have there device up-to-date. The version of our APs is 220.127.116.11.15.
Most of the issues are with Macbook Air's
I hope someone can relay on this problem and help us find a solution.