Convert an old laptop single NIC into an OPNsense Firewall/Router - IT-REACT
Remote workers – rapid and cost-effective VPN scale with ZeroTier, OPNSense and FRRouting. – StubArea51.net
Firewall router OPNsense 4 ports Gigabit Intel, Quad core 1 GHz - Rack Matrix distribution store
Routes — OPNsense documentation
MLMConseil - OPNsense is an open source, easy-to-use and easy-to-build FreeBSD based firewall and routing platform. OPNsense includes most of the features available in expensive commercial firewalls, and more in many cases.
Use Cilium BGP integration with OPNsense - devopstales
How to Install and Configure Basic OpnSense Firewall