@ Steve that's why I post it here to get some help and thanks for your post but it wont solved my and the other users who need to configure the dhcp server on the AP. this is for Business solutions...

Model : Hardware Version : Not Clear Firmware Version : ISP : Model : EAP120 Hardware Version : V1 Firmware Version : 1.0.0 Build 20141107 how to assign a DHCP Server IP address for the clients ??...