what does this product do
 TP-LINK SafeStream TL-ER6120 Gigabit VPN Dual WAN Router has excellent data processing capabilities and multiple essential functions including: IPsec/PPTP/L2TP VPN, Load Balancing, Access Control, IM/P2P Blocking, DoS Defense, Bandwidth Control, Session Limiting, PPPoE Server and so on, which consummately meet the needs of small and medium businesses, hotels and communities with large volumes of users who demand an efficient and easy-to-manage network with high security.

 High Performance VPN
 The TL-ER6120 supports multiple VPN protocols including: IPsec, PPTP and L2TP within client/server mode and can handle passing traffic as well. It also has a built-in hardware-based VPN engine allowing the router to support and manage up to 100 IPsec LAN-to-LAN/Client-to-LAN VPN connections. Advanced VPN features include: DES/3DES/AES128/AES192/AES256 encryption, MD5/SHA1 authentication, Manual Management / IKE, and Main / Aggressive negotiation modes.

 HARDWARE FEATURES
 - Standards and Protocols:
 IEEE 802.3, IEEE802.3u, IEEE802.3ab
 TCP/IP, DHCP, ICMP, NAT, PPPoE, SNTP, HTTP, DNS, IPsec, PPTP, L2TP

 Interface:
 1 Gigabit WAN port
 3 Gigabit WAN/LAN Ports
 1 Gigabit LAN port

 Network Media:
 10BASE-T: UTP cable category 3, 4, 5(Max 100m)
 EIA/TIA-568 100O STP (maximum 100m)
 100BASE-TX: UTP cable category 5, 5e(maximum 100m)
 EIA/TIA-568 100O STP (maximum 100m)
 1000BASE-T: UTP cable category 5, 5e, 6 (Max 100m)

 Buttons:
 Reset button

 Power supply:
 Universal Internal Energy Source
 AC100-240V~ 50/60Hz Input

 Flash: 32MB

 DRAM: DDRIII 512MB

 LED: PWR, SYS, Link/Act, Speed

 Dimensions: (LXCXA): 17.3x7.1x1.7 in. (440x180x44 mm)

 PERFORMANCE
 Simultaneous Session: 150000

 NAT Throughput: 800Mbps

 NAT(iMIX): 936Mbps

 NAT(DHCP): 878Mbps

 NAT(PPPoE): 665Mbps

 IPsec VPN Throughput (AES256): 373Mbps

 IPsec VPN throughput (3DES): 180Mbps

 BASIC FUNCTIONS
 WAN Connection Type:
 Static/Dynamic IP,
 PPPoE/Russian PPPoE,
 PPTP/Russian PPTP,
 L2TP/Russian L2TP,
 Bigpond cable

 DHCP:
 DHCP Server/Client
 DHCP reservation

 Clone MAC:
 Modifiable WAN MAC Address

 IPTV:
 Bridge, Custom

 IPv6:
 IPv6 support

 VLAN:
 802.1Q VLAN, Port VLAN