How far apart are the access points?
2 are separated for a 6 foots
How many SSIDs are you running?
Just one
What is the encryption on the SSID with the problem?
WPA-2 PERSONAL
How long have you been having this problem?
3 month ago.
I have the firmware 6.3.1.8-4.0.0.8_46401
Thank you for your quickly answer. Best regards