@kogan I have no custom ddns to test, my bee tp-link can help you with that. I did a test here as I was a bit scared by what you wrote this function is important to me. but with no-ip it still works.

@kogan I did a test here, same router same firmware. connected it behind another router, router gives correct wan ip. Controller Version: 5.14.20.9 I use no-ip as ddns provider-

@MJan the problem with rpi3 is not cpu but memory, do yourself a favor and buy an rpi4 or rpi5 with 4gb memory. if you manage to get the rpi3 to work, it's only a matter of time before it crashes. if...

@Hank21 Ok, thank you. i made a third attempt to upgrade today and now it looks like it worked. I don't know why, the only thing I've done is delete all old sites that are no longer in use, I've also...

@Matthieu27 yes lots of problems, 7 hours work yesterday. after I upgraded from 5.14.20.8 to 5.14.20.9 all ipsec VPN tunnels were offline, routers at the remote site were offline, I did a factory...

@htfb you don't need to uninstall, you can just upgrade. but to take a backup you must log on to the controller locally.