Easiest Way to create overlay / vpn network between hosts over the internet

Anotheruser

Member
Sep 21, 2022
58
16
8
Ok so lets say i have three proxmox hosts that are all directly exposed to the internet and have one public ip each.
What would be the best way to cluster them / create some kind overlay network that allows them to securely communicate with each other?

My first idea was to just create a pfsense vm on each node and then do a site to site vpn between each server, but that would not be scaleable (if each node has a tunnle to each other node) or reliable (if everything goes over a single node / main vpn server)

Also since i dont want to be reliant on one provider, i dont plan to use sth from the provider like vlans from hetzner and
yes i am aware that multi site clusters arent recommended, but since i am only interested in centralized management and offline migration (and all servers have a 1gb+ connection) i am not to worried about that
 

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