Thanks for the reply.
Since I can't control the peers (they're mostly just running the
official Wireguard apps), the way I've got it implemented is that
224.0.0.0/4 is explicitly in their lists of AllowedIPs. On the hub side,
I took approach (1) for the proof of concept.
If I were to extend
I would appreciate multicast support for Wireguard. My wish and use-case would
be full support for in band dynamic address assignment, i.e. without any
external protocol or other shared information except the public key.
At least for the IPv6 case (with I only consider here, but IPv4 can be adde