@Joseph-TP "Is there a switch between the Fritz!Box and AX11000? If yes, remove it and try again" --> I omitted the switch, but same behavior "Your situation appears different: only wireless devices...

@SeanWing Hi all I have the same issue after upgrading to v2.2.1 firmware on my AX11000 (v1), (2.2.1 Build 20250725 rel.9119(4555)) . Since the upgrade, WLAN devices cannot talk to WLAN devices...