When you re-install the Controller without backing up the configuration，your initial config will disappear. That's the reason why you need to reconfigure everything.

EAP110 is only for indoor wifi coverage. CPE is good for long range P2P or P2MP transmission. A typical network topology should be like this: ISP--modem router---CPE210 ))))))) ((((((( CPE210(the 2nd...

Please see Edison's reply in this post: http://forum.tp-link.com/showthread.php?100660-CPE210-reset-itself 1. Your CPE was not grounded well. In some area, because of the whether , the geographic...

See post: http://forum.tp-link.com/showthread.php?99025-How-to-configure-Multiple-SSIDs-with-Multiple-VLANs-on-CAP-amp-AC-products

Does EAP225 work with the Controller? Which portal did you configure on EAP225?

EAP is an enterprise product. For home use, simply use Range Extender at http://www.tp-link.com/en/products/list-10.html or desktop AP at http://www.tp-link.com/en/products/list-12.html