TL-ER5120 Gigabit Load Balance Broadband Router from TP-LINK possesses excellent data processing capabilities and multiple powerful functions including Load Balance, Access Control, IM/P2P Blocking, DoS Defense, Bandwidth Control, Session Limit and PPPoE Server, which meet the needs of small and medium enterprises, hotels and communities with large volumes of users demanding an efficient and easy-to-manage network with high security.

Abundant Security Features

For defense against external threats, TL-ER5120 features automatic protection to detect and block Denial of Service (DoS) attacks such as TCP/UDP/ICMP Flooding, TCP Scanning, Ping of Death and other related threats. Moreover, this router offers a hardware DMZ port, which allows network administrators to setup public servers without exposing their internal network, to avoid attacks from external threats. For better management of the internal network, TL-ER5120 allows administrators to set rules to block specific web sites and IM/P2P applications with just one click, and restrict staff to use specific services such as FTP, HTTP and SMTP.

Efficient Access Management

By setting a PPPoE Server to allocate PPPoE accounts to private network users, the router only allows users with legal accounts that have passed authentication to access the Internet. Cooperating with IP-based Bandwidth Control, it is capable of confining bandwidth usage of certain PPPoE accounts. Moreover, the E-Bulletin function is able to release a bulletin in the form of webpage to certain user groups periodically, which notifies the users about the expiration date of the PPPoE account. With the above features, the router will prioritize different users in surfer jurisdictions for more efficient management.

Optimizing Bandwidth Usage

The TL-ER5120 features three freely interchangeable ports that can be set to either LAN or WAN, allowing the router to support up to four WAN ports 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 broadband. With IP-based Bandwidth Control and 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 device, to be discharged harmlessly into the Earth. This router is designed to prevent lightning damage of up to 4Kv 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 elements.

HARDWARE FEATURES
Standards and Protocols	IEEE 802.3, 802.3u, 802.3ab TCP/IP, DHCP, ICMP, NAT, PPPoE, SNTP, HTTP, DNS, IPsec, PPTP, L2TP
Interface	1 Fixed 10/100/1000Mbps WAN Port 3 Free Changeable 10/100/1000Mbps WAN/LAN Ports 1 Fixed 10/100/1000Mbps LAN/DMZ Port 1 Console Port (RJ-45 On RS232)
Network Media	10BASE-T: UTP category 3, 4, 5 cable (Max 100m) EIA/TIA-568 100Ω STP (Max 100m) 100BASE-TX: UTP category 5, 5e cable (Max 100m) EIA/TIA-568 100Ω STP (Max 100m) 1000BASE-T: UTP category 5, 5e, 6 cable (Max 100m)
Flash	8MB
DRAM	DDRII 128MB
LED	PWR, SYS, Link/Act, Speed, WAN, DMZ
Button	Reset Button
Dimensions ( W x D x H )	17.3x8.7x1.7 in.(440x220x44 mm) 19-inch Standard Rack-Mount Width, 1U Height
Power Supply	Internal Universal Power Supply AC100-240V~ 50/60Hz Input
PERFORMANCE
Concurrent Session	120000
NAT Throughput	350Mbps
BASIC FUNCTIONS
DHCP	DHCP Server/Client DHCP Reservation
MAC Clone	Modify WAN/LAN/DMZ MAC Address
Switch Setting	Port Mirror Rate Control Port Config Port VLAN
WAN Connection Type	Dynamic IP, Static IP, PPPoE, PPTP, L2TP, Dual Access, BigPond
ADVANCED FUNCTIONS
Load Balance	Intelligent Load Balance Policy Routing Protocol Binding Link Backup (Timing, Failover) Online Detection
NAT	One-to-One NAT Multi-nets NAT Virtual Server, DMZ Host, Port Triggering, UPnP FTP/H.323/SIP/IPsec/PPTP ALG
Routing	Static Routing Dynamic Routing (RIP v1/v2)
System Mode	NAT, Non-NAT, Classical Routing
Traffic Control	IP-based Bandwidth Control Guarantee & Limited Bandwidth Time-scheduled Policy IP-based Session Limit
SECURITY
Application Control	IM, P2P, Web IM, Web SNS, Web Media, Protocol, Proxy Blocking
ARP Inspection	Sending GARP Packets ARP Scanning by WAN/LAN IP-MAC Binding
Attack Defense	TCP/UDP/ICMP Flood Defense Block TCP Scan (Stealth FIN/Xmas/Null) Block Ping from WAN
DMZ Port	1 Hardware DMZ Port
Filtering	MAC Filtering URL/Keywords Filtering Web Content Filtering (Java, ActiveX, Cookies)
MANAGEMENT
Maintenance	Web/CLI/Telnet Management Interface Remote Management Export & Import Configuration NTP Synchronize Syslog Support
Service	PPPoE Server E-Bulletin Dynamic DNS (Dyndns, No-IP, Peanuthull, Comexe)

OTHERS
Certification	CE, FCC, RoHS
Package Contents	TL-ER5120 Resource CD Power Cord Rack-mount Kit Installation Guide
System Requirements	Microsoft® Windows® 8, 7,Vista™, XP or MAC® OS, NetWare®, UNIX® or Linux
Environment	Operating Temperature: 0℃~40℃ (32℉~104℉) Storage Temperature: -40℃~70℃ (-40℉~158℉) Operating Humidity: 10%~90% non-condensing Storage Humidity: 5%~90% non-condensing