@Kevin_Z ISP is Lyse/Altibox (Norway). Not sure but ipv6 should be tunnnel 6rd - i had this option in the asus router. and here is the old config i had:

Hi I managed to install a deco m5 directly to the media converter via router mode and remove the old asus router from the network. I managed to get everything up and going except ipv6. Does the deco...