@wiwisjtb I have the same problem against Cisco firewalls, I solved this by creating a VPN profile for each subnet on ER605. you must use the same encryption and password on all tunnels to make it...

@Dsinc the official firmware does not support PPSK, you will find beta firmware in this thread that supports PPSK to your access point. https://community.tp-link.com/en/business/forum/topic/577390

@Fae have the same problem, router disconnects from the controller quite often. have to take power on router to get it connected to controller again. Nice if this thread is updated when there is a...

@trik84 this is not so strange :-) the firewall in the PC blocks remote networks, configure a firewall rule and allow remote networks on the PCs

@WadeOx you need a starlink ethernet adapter..

@Tescophil My setup is quite similar to what you have, the core switch is SG2428P and several SG2008P, I sometimes get hartbeat missing on the router, but I also had problems earlier with the router...