I opened a support ticket and Inwas told to disable the antivirus, any created profile and QoS.It made the trick, even after enabling again QoS. The senior engineer asked me to do more tests...

Hi there,The same issue just started for me today. My 2 Deco M5 units are brand new and I installed the new firmware (1.2.1), right after plugging my units. First unit is connected to the modem, the...