@ComfySofa If you can connect the Zyxel switch in between, you can at least test whether there is some kind of incompatibility and therefore the transfer speed is bad. Because at least I have a...

@ComfySofa If you can test it, what is the speed if you connect the Zyxel switch between the BE550 and the DELL 3260? And which link speed is displayed in the web interface of the BE550 to to the...

@Kevin_Z To narrow down and analyze my issue with Archer BE550 (Archer BE550 problem with autonegotiation / autosensing to Deutsche Telekom MagentaTV One), I also received this BETA firmware for...

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...