The Dray Tek Vigor 3300V+ is the very latest in the Vigor 3300 series of high-performance load-balancing routers. The Vigor 3300V+ is a 4-port load-balancing router providing a robust firewall, Qo S management, VPN Tunneling & flexible multiple WAN interfaces for load balancing/WAN backup. The Vigor 3300V+ provides extensive cross-compatibility with 3rd party products & each major feature has extensive configuration options to provide great flexibility. The WAN-failover & high-availability features enable you to build robust & reliable WAN infrastructure. With multiple WAN connections you VPNs can also be trunked to allow bonding or failover, making your inter-office connections more robust & higher performance.