Hello @Kevin_Z , thank for the response. I'm stack on the step 1 - AFTR name. I googled and didn't find any mentions about it. I also have the working connection via another router "fritzbox" and...

@voloading my firmware version

@Kevin_Z for some reason I don't have DS-Lite in my list. I couldn't connect Vodafone glasfaser in Germany. Is there any suggestion how to manage to it?