In this post we are going to set up high availability for two OPNsense firewalls. Our firewalls are installed as VMs in two separate Proxmox nodes in our Lab. All our VMs in our Cluster use OPNsense to connect to the outside world. If one firewall is down, the other is available. OPNsense uses a … Continue reading Configuring High Availability for OPNsense Firewalls