My ISP (Hiper.dk) (fiber connection) tells me that I have to enable VLAN tagging 101 and set DHCP to retrieve ip-adresses automatically if I will connect my Deco X60 directly to the fiber wall-box. I tried but I can't figure out what is wrong. Right now the only solution is to use the  router from the ISP in bridge mode and turn off wifi. But I would like to use only the X60 as a router. The X60 set up to router mode.