Hi @Wolfgang_Ahrens,
Regarding the post you’re bumping, rest assured Roon is making progress on an out-of-the-box solution for users with IPv6 public addresses, like the Vodafone customers on this forum. In the interest of averting rumors, I won’t give specifics, but internal testing has yielded positive results so far.
Ideally, we’ll soon have ARC in a position to automatically configure port forwarding, even for users with major-market CG-NAT situations.