@MR.S Okay, good point will try that, I actually have two sides, but since the external side is anyways connected over a VPN with a DynDNS address that's fine not having there an address. The weird...

yes, it is enabled. I stopped the controller now for 15 hours or something and now I started it up again and disabled DNS Proxy and DNS Cache until now I couldn't see any re-adoption again. I'm not...

@Clive_A I don't get why too, but could be that it was just I had luck because now it does the heartbeat lost process "only" after like 30-50 Minutes and no more all 5 or even less

@Clive_A I found the issue, when you configure LAN-DNS the router breaks for some reason with the software controller, no matter if windows or docker, until you configure a different model as...

@Clive_A That was the log of the controller.. there was nothing like a configuration error, just connected and connected and connected Gerät verbunden 98-BA-5F-45-AB-25 was connected. Jun 19, 2025...

@Clive_A Thanks for that information.. I tested that for 1 hour now running it on my Windows Laptop (24h2) the issue is the same Laptop was directly connected to the router through RJ45 and I tried...