Proxmox backup to remote PBS over Zerotier

[travisdh1]

While I was attempting to look up how to backup a Proxmox host to a remote Proxmox Backup Server over Zerotier, all the instructions I found were very complex. While those instructions are true if you want to route an entire network, it is very easy to get a single Proxmox host and single PBS server connected over Zerotier.

1. Join both host and PBS to the same Zerotier network
2. Add 2 routes in Zerotier, each pointing to the remote subnet the Zerotier IP of the remote host as the Via address in Zerotier.
3. Add the PBS server to the Proxmox host like normal.

As an example, this is my Managed Routes section of Zerotier with a working backup job.