You will either need to: 1. Go through these posts to see if it helps https://www.bungie.net/en/Forum/Post/241743364/0/0 https://www.bungie.net/en/Forum/Post/231008613/0/0 Or 2. Get a different modem that isn’t Technicolor (or Thomson) brand. These 2 are well-known for not conforming to industry standards & use a necessary port for its own use.