update 5 After I had updated the firmware from 1.0.11 Build 20240807 rel.25691 to 1.0.12 Build 20240902 rel.22993(4555), I tested the MagentaTV One again without the switch in between. I had...

update 4 Today or better this morning I deactivate IPTV completely and the MagentaTV One immediately gets a link and is online. I still have the same setup as described in Update 3. That means I have...

update 3 Today I installed an unmanaged gigabit switch (model EW-A005-E) between the Archer BE550 and the MagentaTV One and deactivated IPTV on the Archer BE550 and switched all Ethernet ports back...

@Digiteeruk I had the same problem and also had an Archer C9 v1, for which there have been no updates for a long time because it is EOL. You can do two things: 1. Replace the Archer C9 with another...

@Kevin_Z thank you for your response. Yes, that's right. If I connect the MagentaTV One wireless with Archer BE550, there are no issues. The problem only occurs when connecting the MagentaTV One via...

@Steve_axolotl which ISP and modem do you have? As far as I know, DS-Light is usually only sold with a cable connection in Germany and there you usually don't just get a modem from the ISP.