Proper way of configure IPv6 in Wireguard

How do I configure IPv6 in Wireguard client. IPv6 address entered is deemed invalid. On firmware 3.203 on MV1000

Can you show the config?

PrivateKey =
Address =, fd01:5ca1:ab1e:82d5:4c10:76ef:f965:1713/128

PublicKey = bmXOC+F1FxEMF9dyiK2H5/1SUtzH0JuVo51h2wPfgyo=
AllowedIPs =, ::/0
Endpoint =

I just tried your config, using MV1300 3.203, filled some key and the UI just accept it.

Did it actually provide IPv6 connectivity via Wireguard? I know IPv4 works.