ipv4 over ipv6

Hello, I'm upgrading my AC86U to AX86U Pro this Black Friday for better WireGuard (client) support, but it's not really related. My fiber comes with dual stack ipv4 CG-NAT and ipv6 with dynamic prefix. I have been paying for a dymanic public ipv4 upgrade for a while, and was wondering if I...

Some ISPs in Japan use a convoluted solution to deliver IPv4 over IPv6 called V6Plus. I have the RT-AX56U which has an option for V6 but when this is selected you get a MAP-E port mismatch error or a Map server did not reply response. So I'm stuck on the much slower PPPoE connection. Is there...