Gigabit Load Balance
Broadband Router
MODEL: TL-ER5120
Highlights
64-bit dedicated processor and 2 Gbit DDRIII high-speed memory for outstanding performance
Equipped with 1 Gigabit WAN port, 1 Gigabit LAN port and 3 adaptable Gigabit WAN/LAN ports
Load Balancing automatically selects the best route to the destination according to the load
Captive portal provides convenient guest authentication while promoting your business
Abundant security features including ARP Inspection, DoS Defense, URL/Keyword Domain Filter and
Access Control
Professional 4KV lightning protection keeps your investment safe
Overview
The TL-ER5120 Gigabit Load Balance Broadband Router from TP-Link possesses exceptional data
processing capabilities and a rich array of features including Load Balance, Access Control, DoS Defense,
Bandwidth Control, and Session Limit. Suitable for small and medium-sized enterprises, the router can
deliver high-speed connections to a large volume of client devices as part of a secure and
easy-to-manage network.
Superior Hardware
With a 64-bit network processor and 2Gbit DDRIII memory, TL-ER5120 is able to handle multiple tasks
simultaneously while staying reliable and fast.
Intelligent Bandwidth Allocation
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. Intelligent Load
Balancing can distribute data streams according to the bandwidth proportion of each WAN port to make
full use of multi-line broadband. With IP-based Bandwidth Control and Session Limit functions, network
administrators can exibly manage network bandwidth to optimize usage.
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. For better management of the internal network, TL-ER5120 allows administrators to set
rules to block specic websites and limit sta access to specic services such as FTP, HTTP and SMTP.
Captive Portal provides a convenient and secure method for guest authentication.
Peace of Mind Whatever the Weather
Professional-standard lightning protection prevents electrical surges from penetrating your network
equipment. Designed to withstand 4KV of electricity when well-grounded, this router ensures your
network investments remain as safe as possible.
Specications
HardWare
Standards and Protocols
Interface
Network Media
Button Reset Button
Power Supply
Flash 32MB
DRAM DDRIII 256MB
LED PWR, SYS, Link/Act, Speed, WAN
IEEE 802.3, IEEE802.3u, IEEE802.3ab
TCP/IP, DHCP, ICMP, NAT, PPPoE, SNTP, HTTP, DNS, PPTP, L2TP
1 Gigabit WAN port
3 Gigabit LAN/WAN ports
1 Gigabit LAN port
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)
Internal Universal Power Supply
AC100-240V~ 50/60Hz Input
Dimensions ( W x D x H ) 17.3x7.1x1.7 in.(440x180x44 mm)
Performance
Concurrent Session 150000
NAT(iMIX) 703Mbps
NAT(DHCP) 934Mbps
NAT(PPPoE) 868Mbps
Basic Functions
WAN Connection Type
Static/Dynamic IP,
PPPoE/Russian PPPoE,
PPTP/Russian PPTP,
L2TP/Russian L2TP,
Bigpond Cable
DHCP
MAC Clone Modify WAN MAC Address
IPTV Bridge, Custom
IPv6 IPv6 Support
VLAN 802.1Q VLAN, Port VLAN
DHCP Server/Client
DHCP Address Reservation
Transmission
Intelligent Load Balance
Load Balance
NAT
Routing
Session Limit IP-based Session Limit
Link Backup (Timing, Failover)
Online Detection
One-to-One NAT, Multi-nets NAT, Virtual Server, Port Triggering
FTP/H.323/SIP/IPsec/PPTP ALG, UPnP
Static Routing
Policy Routing
Bandwidth Control IP-based Bandwidth Control
Security
TCP/UDP/ICMP Flood Defense
Attack Defense
Filtering
ARP Inspection
Access Control Source/Destination IP Based Access Control
Block TCP Scan (Stealth FIN/Xmas/Null)
Block Ping from WAN
MAC Filtering
URL/Keywords Filtering
Sending GARP Packets
ARP Scanning by WAN/LAN
IP-MAC Binding
Authentication
Local User Authentication,
Web Authentication
Radius Sever Authentication,
Onekey Online
Management
Service Dynamic DNS (Dyndns, No-IP, Peanuthull, Comexe)
Web Management Interface, Remote Management
Maintenance
Diagnostics (Ping & Traceroute), NTP Synchronize
Syslog Support
Others
CE, FCC, RoHS
Package Contents TL-ER5120, Power Cord, Rack-mount Kit, Installation Guide
System Requirements
Environment
Microsoft Windows 98SE, NT, 2000, XP, Vista™ or Windows 7/8/8.1/10
MAC OS, NetWare, UNIX or Linux
Operating Temperature: 0°Cto 40°C (32°F to104°F)
Storage Temperature: -40°Cto 70°C (-40°F to 158°F)
Operating Humidity: 10% to 90% non-condensing
Storage Humidity: 5% to 90% non-condensing
www.tp-link.com
Specications are subject to change without notice. TP-Link is a registered trademark of TP-Link Technologies Co., Ltd. Other brands and product names are trademarks or
registered trademarks of their respective holders. Copyright © 2019 TP-Link Technologies Co., Ltd. All rights reserved.
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