ipv6;rt-ac66u;telenet

Hi, On an Asus RT-AC66U with Asuswrt-Merlin 380.65, I don't get an ipv6-address. My provider, Telenet (Belgium) has installed a modem only (Business Fibernet 240/30). Settings are (as standard for this provider): connection type: Native DHCP-PD: enable Release prefix on exit: enable Auto...