Someone suggested I change the prefix to match the IPv6 address. I tried disabling prefix delegation, and changing FD9A:FE1F:C59A:14:: /64 to FD9A:FE1F:C59A:10:: /64 - but it says invalid format.

I can't get IPv6 to work with Starlink on AX5400/Archer AX73. It seems to assign IPv6 address to my devices, but they don't work through IPv6 tests or respond to pings. I've confirmed that when I...