More and more ISPs are starting to rollout MAP-T and MAP-E for IPv4 transport over an IPv6-only network. It would be really great to have this implemented in VyOS. [[ https://github.com/cernet/MAP | This ]] is the "reference" implementation as a kernel module + CLI.
Comes from [[ forum.vyos.io/t/map-t-map-br-role-feature | this ]] feature request on the forum.