IPv6 exclusively once more
IPv6 exclusively once more
To assist with the diagnosis, connect your computer directly to the modem using an ethernet cable. If IPv4 functions, the problem lies with your router's settings. If it doesn't work, check your operating system for configuration errors or contact your ISP, as IPv6 support may be limited by providers. Currently, IPv6 isn't fully supported across all ISPs. You might test a Linux environment on a live USB to verify OS-related issues.
I don’t have access to IPv4, and I won’t ever get direct access to it. You’ll need a 4-in-6 tunnel solution—your freedom can handle it, there must be a way.