Multiple endpoints with same public key

[Toke Høiland-Jørgensen]

Davide Depau <davide at depau.eu> writes:

> A few days ago I was struggling with a very slow connection and I was
> wondering whether WireGuard can support this setup (please see attached
> graph).
>
> There is a WireGuard server (the port it's listening on is reachable from
> the outside), then one client with two interfaces connected to the Internet
> with two different IP addresses.
>
> Is it possible to have *one* WireGuard interface on the client, which sends
> packets to the server through both interfaces in a round-robin fashion? I
> would expect the server to detect the client (identified by the public key)
> is sending packets from multiple endpoints, and send packets to both
> endpoints.

I think this would be better solved at a higher layer: Run two tunnels
(to two different port numbers on the server, for instance), and have
the kernel do ECMP routing across both wireguard interfaces...

-Toke