I’m a little confused. I think that’s exactly how I have it set up currently. The problem is that proxmox doesn’t get an internet connection. I’m unable to ping out or resolve dns from proxmox. The rest of the network is getting internet though. I reserved a static ip in OPNsense for proxmox. Could that be causing a problem?

Grep "nameserver” /etc/resolve.conf , shows 127.0.0.53

Thanks for the advice! I ended up getting a managed switch on amazon and an older dell computer to set up OPNsense. Can’t wait to get started!

I’ll look into that thanks!

I currently have a net gear R7000. Maybe I could flash that? If I got an old computer and put a duel Ethernet card like you suggested, what would the physical network diagram look like with that setup?