@AceHome Not enough detail to provide any kind of useful response. Some questions to guide you in the required level of detail, before any suggestion can be made: - what device are you testing the...

@JKAlpheron My money is on @MR.S being right about the java upgrade. If it gets to be a problem, you could consider running the Omada controller and its legacy java inside a vm or container. I...

@Bimo I'm not sure Omada is the router tech of choice for you then. That said, there's a pretty big sub-culture around here using Pfsense router boxes with Omada-controlled switches and APs though.

@KitCB To do anything with those devices someone will have to go to site. You may be able to talk a semi-tech literate someone through how to reset devices and join them to a remote controller (ie...

@Marc_NL Given that it behaves the same after a firmware update I am inclined to say the hardware ist kaput. As a last ditch effort, default the factory device and see if you can attach to the...

@Bimo I'm 99% certain the router is using iptables internally. How much of its functionality is exposed is another matter. Perhaps we start with what you want to do, and try to map it to UI...