opnsense wireguard as client issue. site to site config

Started by raecer, April 14, 2025, 01:09:16 PM

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Hi there.

I have had no luck in configuring opnsense wireguard as a client in a site to site config.

I already have a wireguard server at home and i want to set up opnsense wireguard as a client on a separate network.
I get it working as a container on proxmox on the lan side of opnsense easily, but also curious how to get it working
on the opnsense server instead so i could tunnel all vm traffic through it if i want to.

Has anyone tried this and got it working?
Thank you

We would need a bit more information, like a drawing (ASCII or graphic) of how your network layout is.

Proxmox is on OPNsense LAN, where is your Wireguard server?
Deciso DEC740

My home network is just a raspberry pi behind a router with a port forward to the pi. The other network is proxmox behind opnsense firewall on the lan side.
Currently i have a working setup where a container on proxmox connects as wireguard client site to site to the pi at home (which acts as the wireguard server). But i can't get it working on opnsense using wireguard for some reason.

We need all details of the configuration you did on OPNsense ...
Deciso DEC750
People who think they know everything are a great annoyance to those of us who do. (Isaac Asimov)

Quote from: raecer on April 14, 2025, 03:47:07 PMMy home network is just a raspberry pi behind a router with a port forward to the pi. The other network is proxmox behind opnsense firewall on the lan side.
And I would add to what Patrick wrote: how are home network and the OPNsense connected. Really, somed kind of diagram helps.
Deciso DEC740

I explained it to chatgpt and got it working via the steps suggested. thank you anyway