@terziyski Thank you! Changing the ethernet cable in the main router to another port did the trick. However, now I'm wondering what might be the issue. I crimped the connectors in the cable myself,...

After buying an ArcherC6 (european version, v2) in Amazon, it was working for a couple of weeks at gigabit speeds. But now, for some reason, no matter how many times i reboot it, it always syncs to...