The TL-ER6020 Safe Stream Gigabit Dual-WAN VPN Router from TP-LINK possesses excellent data processing capabilities & multiple powerful functions including IPsec/PPTP/L2TP VPN, Load Balance, Access Control, IM/P2P Blocking, Do S Defense, Bandwidth Control, Session Limit, PPPo E Server & so on, which consumedly meet the needs of small & medium enterprises, hotels & communities with large volumes of users demanding an efficient & easy-to-manage network with high security. High VPN Performance The TL-ER6020 supports multiple VPN protocols including IPsec, PPTP & L2TP in Client/ Server mode & can handle pass-through traffic as well. It also features a built-in hardware-based VPN engine allowing the router to support & manage up to 50 LAN-to-LAN/ Client-to-LAN IPsec VPN connections. Advanced VPN features include: DES/3DES/AES128/AES192/AES256 encryption, MD5/SHA1 authentication, Manual/IKE key management, & Main/ Aggressive negotiation modes. Abundant Security Features For defense against external threats, TL-ER6020 features an automatic protection to detect & block Denial of service (Do S) attacks such as TCP/UDP/ICMP Flooding, TCP Scanning, Ping of Death & other related threats. Moreover, this router offers a hardware DMZ port, which means that you can setup public servers without exposing your internal network, to avoid attacks from external threats. For better management of the internal network, TL-ER6020 allows administrators to set rules to block specific web sites & IM/P2P applications with just one-click, & restrict staff to use specific services such as FTP, HTTP & SMTP. Optimizing Bandwidth Usage The TL-ER6020 features two WAN ports, allowing the router to satisfy various Internet access requirements through one device. The Intelligent Load Balancing function can distribute data streams according to the bandwidth proportion of every WAN port to raise the utilization rate of multi-line broadb&. With IP-based Bandwidth Control & Session Limit functions, network administrators can flexibly manage network bandwidth to optimize bandwidth usage. Safety Minded Enterprise Investments Professional lightning protection technology is designed to prevent electrical surges from penetrating the interior of the electrical equipment & is discharged harmlessly into the Earth. This router is designed to prevent lightning up to 4 Kv in the well-grounded connection conditions. This feature ensures that networking infrastructure investments remain as safe as possible from one of mother nature's more violent situations. Features 2 Gigabit WAN ports, 2 Gigabit LAN ports, 1 Gigabit LAN/DMZ port & a console port Supports multiple VPN protocols including IPsec/PPTP/L2TP, which helps users establish their VPN more flexibly Supports up to 50 IPsec VPN tunnels with a hardware-based VPN engine Abundant security features including ARP Inspection, Do S Defense, URL/ Keyword Domain Filter & Access Control Deploys One-Click restriction of IM/P2P applications to manage staff online behavior Professional 4k V lightning protection keeps your investments as safe as possible