The XG-1537 1U pfSense Security Gateway Appliance High Availability 2-unit system is designed for fault tolerance and failover to prevent loss of critical services in case of hardware or software failure. It is an excellent solution for medium to large business to provide flexible configuration and support for multi-WAN, high availability, VPN, load balancing, reporting and monitoring, etc. With preloaded pfSense software and 10Gbps SFP+ ports, the XG-1537 1U is a fast networking security solution unencumbered by traditional annual contracts, licensing fees, or artificial limitations. It can be configured as a firewall, LAN or WAN router, VPN appliance, DHCP Server, DNS Server, and IDS/IPS with optional packages to deliver a high performance, high throughput front-line security appliance.