@Cludi75 The easiest way to resolve this, assuming the reason is the FW update of MR505, is to downgrade the MR505 to the previous FW release.

@Kameh Use this guide to troubleshoot your issue.

@KarlM You want to set your DSL modem router in bridge mode and your AX73 in router mode to aoid the double NAT in your network - here's how you shoud do your configuration. Here's is a srory which...

@LucaBacchi According to its specs EB810v doesn't have the capability to use another router for backing up its internet connection. Some 4G/5G routers have this feature - details. If you connect such...

@MEDINEM Keep an eye on this thread. If the ethernet backhaul has been implemented in AX12 it should be added to this list of routers. No one can give you an ETA for this. AX1500 as well as AX10 are...

@BanaToron If you use the Aceess Control feature, disable it and check how it goes. If the issue has been fixed then the problem is the new FW - details. If you don't want to use beta FW release just...