@LakesideZ to optimize the wireless connections, they came with following recommended settings: We would recommend to adjust the following: 2,4Ghz: Set the channelwidth to 40Mhz Set a fixed channel,...

@Slendobeja Thanks for your suggestion. Parental control was not activated, but I tried disabling the "Protection" options in Security, as well as Access Control. QoS cannot be disabled, but its set...

@LakesideZ Same issue here with my C2300. The speed test inside the C2300 control panel shows 186 Mbps down and 20 Mbps up, more or less what my ISP should give me, so my connection to the ISP seems...