@Johnny-S Yes, as you guessed correctly there's no master or slave unit. Instaling a TL-PA7017 and connect it with an ethernet cable to the RE200 sounds reasonable if you can't run an ethernet cable...

@Johnny-S This should be possible but the connection between your router and the first TL-WPA7517 has to be with an ethernet cable.

@julk76 Here's the user guide for your device.

@KamiFrost Double NAT: When it works well: Generally, if all you need is a connection to the Internet, a double NAT configuration will work well, and you'll run into no issues. Also, a double NAT...

@sahsha Check the C20 bottom sticker to determine your HW version and FW region - details. Then go to your local support portal and download the latest FW release - here. Then unzip the archive and...

@XL_AM_BUlli3Z What are you wireless channel width and wireless channel settings ? Do you have this problem only with Mac computers - did you try to connect with another devices (computers, mobles,...