D-Link DSR-250V2 Unified Service Router

Automatic failover to another link from available ISP when primary line is lost.
Support 1 x GE WAN, 3 x GE LAN, 1 GE Configurable LAN/WAN and 1 x USB 3.0 port.
900/200 Mbps firewall/VPN throughput, 50,000 Concurrent Sessions, and 50/20 IPsec/SSL VPN Tunnels.
Advanced routing, VLAN and IPsec/PPTP/L2TP/OpenVPN VPN Server/Client
Value-added office utilities to reduce OpEx/CAPEX
Traffic load balancing and Avoid complicated maintenance issues