@David-TP Thank You for Your answer. My client told me, that this happens sometimes since months. Three days ago it happened again and from then, internet connection died for good. It's the hardware...

Good morning. My Deco x10 which should be pluged into a ztef601 modem is not connecting to it. For now, I've put a TL-SG105E switch between them and it's working. This is the first time I've got...