@GeorgeDad In the end my only solution was to configure the C9 as a normal router and to have 2 different networks, a little bit of a hassle because the wifi clients don't roam correctly. No fix from...

Hi, thanks for your answer. I had the router working connecting the WAN to internet. Then I changed it to AP mode wired to the other router to extend the range around the house. Shortly after that...

Since the latest update some months ago when I reboot the router the wireless clients can't connect anymore. The router is in AP mode, connected via wire to a normal port to a TP-Link AC750 which...