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Reliable enterprise router delivering stable WAN performance.
TL-ER6120
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TL-ER6120 - Ethernet WAN - Gigabit Ethernet - Black
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TL-ER6120
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- TL-ER6120 - Ethernet WAN - Gigabit Ethernet - Black
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TL-ER6120 Overview
TL-ER6120 is a modular enterprise router that features a robust architecture with dual WAN interfaces and four Gigabit LAN ports, integrated VPN capabilities (including IPSec, SSL VPN, and GRE), and flexible power options with redundant AC supply. It delivers high throughput performance with built-in firewall and advanced routing protocols, ensuring secure, uninterrupted connectivity for mission‐critical business applications.
Designed for demanding enterprise use cases, the TL-ER6120 also offers modular expansion for future scalability, integrated WAN optimization services, and redundancy features that support high availability. Its versatile design and performance-focused features make it ideal for environments requiring resilient routing, secure VPN access, and efficient network management.
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TL-ER6120 Specifications
- Product Type
- Enterprise Router
- VPN Support
- IPSec / SSL VPN / GRE
- Power Source
- AC Power Supply / Redundant
- Routing Protocols
- OSPF / BGP / RIP / Static Routing
- Broadband
- N/A
- Architecture
- Modular
- WAN Configuration
- Dual WAN
- WAN Ports
- 2 WAN
- LAN Ports
- 4 LAN Ports
- Ethernet Technology
- 10/100/1000
- Wi-Fi Standard
- N/A
- Connectivity Type
- Wired
- Network Protocols
- IPv4, IPv6
- Remote Management
- HTTPS, SNMP, Telnet
- Compliance Standards
- CE, FCC
- Wireless Support
- No
- Speed/Capacity
- Gigabit
- Firewall Features
- Yes
- Features
- VPN, Firewall, IPv6 Compatible
- Use Case
- Enterprise
- Management
- Managed
- Form Factor
- Rack-mount
- Integrated Services
- WAN Optimization
- High Availability Support
- Supported
- Safety
- N/A
- EMC
- N/A
- Telecom
- N/A
- Throughput Capacity
- 1 Gbps
- QoS Features
- Supported
- Built-in Security Features
- Firewall, Intrusion Prevention
- Expansion Slots
- NIM
- Modular Slots Available
- 3+ Slots
- Stacking Capability
- Yes
- 5G Support
- No
- Memory
- 2 GB
- Flash Memory
- 512 MB
- Interface Ports
- RJ-45, SFP
- Power
- 65 W
- Device Type
- Router
- Product Name
- TP-LINK TL-ER6120 Enterprise Router
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| TL-ER6120 |  TL-R600VPN |  ARCHER AX20 |  TL-SM321A-2 |  TD-W8961N | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Modular | Fixed | Fixed | Modular | Fixed |
| Broadband | N/A | N/A | N/A | N/A | DSL |
| Built-in Security Features | Firewall, Intrusion Prevention | Firewall, Intrusion Prevention | Firewall | Firewall / Intrusion Prevention | Firewall |
| Compliance Standards | CE, FCC | CE, FCC | FCC, CE, RoHS | FCC / CE | CE, FCC |
| Connectivity Type | Wired | Wired | Wired / Wireless / Ethernet | Wired | Wired / Wireless |
| Depth | N/A | N/A | 9.45 inches | 15 inches | N/A |
| Device Type | Router | Router | Router | Router | Modem / Gateway / Router |
| EMC | N/A | N/A | N/A | N/A | N/A |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100 |
| Expansion Slots | NIM | N/A | N/A | SFP+ | N/A |
| Features | VPN, Firewall, IPv6 Compatible | VPN, IPv6 Compatible, Firewall | VPN Passthrough, WPA3, Guest Network, Parental Controls, QoS | VPN / Firewall / IPv6 Compatible | Firewall |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 512 MB | 256 MB | 128 MB | 256 MB | N/A |
| Form Factor | Rack-mount | Desktop | Desktop | Rack-mount | Desktop |
| Height | N/A | N/A | 1.44 inches | 1.75 inches | N/A |
| High Availability Support | Supported | Not Supported | Not Supported | Supported | Not Supported |
| Integrated Services | WAN Optimization | VPN | N/A | Voice / Video | N/A |
| Interface Ports | RJ-45, SFP | RJ-45 | RJ-45 | RJ-45 / SFP | RJ-45 |
| LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Unmanaged |
| Memory | 2 GB | 512 MB | 256 MB | 1 GB | N/A |
| Modular Slots Available | 3+ Slots | N/A | N/A | 2 Slots | N/A |
| Network Protocols | IPv4, IPv6 | TCP/IP, UDP, ICMP | IPv4, IPv6, TCP/IP, UDP | IPv4 / IPv6 / TCP / UDP | TCP/IP, DHCP, NAT, PPPoE |
| Power | 65 W | N/A | 12W | 50W | 12W |
| Power Source | AC Power Supply / Redundant | AC Power Supply | AC Power Supply | AC Power Supply with Redundant Option | AC Power Supply |
| Product Name | TP-LINK TL-ER6120 Enterprise Router | TL-R600VPN | TP-Link Archer AX20 | TL-SM321A-2 | TP-Link TD-W8961N Wireless N ADSL2+ Modem Router |
| Product Type | Enterprise Router | VPN Router | Router | Enterprise Router | Gateway |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | HTTPS, SNMP, Telnet | HTTPS, SNMP, CLI | HTTP, HTTPS | HTTP / HTTPS / SNMP / CLI | HTTP, HTTPS |
| Routing Protocols | OSPF / BGP / RIP / Static Routing | Static Routing | Static Routing | OSPF / BGP / Static Routing | Static Routing |
| Safety | N/A | N/A | N/A | N/A | N/A |
| Speed/Capacity | Gigabit | Gigabit | Gigabit | Gigabit | N/A |
| Stacking Capability | Yes | No | No | Yes | No |
| Telecom | N/A | N/A | N/A | N/A | N/A |
| Throughput Capacity | 1 Gbps | 0.1 Gbps | 1.8 Gbps | 1 Gbps | 0.15 Gbps |
| Use Case | Enterprise | Small Business | Home / Small Business | Enterprise | Small Business |
| VPN Support | IPSec / SSL VPN / GRE | IPSec / PPTP / L2TP | N/A | IPSec / SSL VPN | N/A |
| WAN Configuration | Dual WAN | WAN | WAN | Dual WAN | WAN |
| WAN Ports | 2 WAN | 1 WAN | 1 WAN | 2 WAN Ports | 1 WAN |
| Weight | N/A | N/A | 1.5 lbs | 8 lbs | N/A |
| Wi-Fi Standard | N/A | N/A | WiFi 6 / Dual band | N/A | WiFi 4 |
| Width | N/A | N/A | 6.14 inches | 17.5 inches | N/A |
| Wireless Support | No | No | Yes | No | Yes |
Reviews & Ratings
H
Harrison Pike
4
Consistent Gigabit routing with secure VPN support.
C
Colby Trent
4
Improved network uptime across multiple ISP links.
D
Dean Holloway
5
Professional wired router with dependable throughput.
V
Victor Sloan
4
Strong performance under sustained traffic loads.
E
Elliot Barron
5
Cost-effective enterprise solution with solid reliability.
Questions & Answers
What is the TL-ER6120 router?
The TL-ER6120 is a high-performance Gigabit Ethernet router featuring a dedicated Ethernet WAN port, advanced load balancing, integrated VPN, and enterprise-grade security, ideal for small to medium-sized businesses.
What are the main hardware specifications of the TL-ER6120?
The TL-ER6120 features one Gigabit Ethernet WAN port, four Gigabit Ethernet LAN ports, a high-speed CPU supporting up to 1 Gbps throughput, and a durable black metal chassis.
How many Gigabit Ethernet ports does the TL-ER6120 have?
The TL-ER6120 provides one Gigabit Ethernet WAN port and four Gigabit Ethernet LAN ports for high-speed wired connectivity.
What WAN connection types does the TL-ER6120 support?
The TL-ER6120 supports static IP, DHCP, and PPPoE on its Ethernet WAN interface, ensuring compatibility with most broadband services.
What is the maximum throughput of the TL-ER6120?
The TL-ER6120 delivers up to 1 Gbps firewall throughput for seamless high-speed internet access.
Does the TL-ER6120 support load balancing?
Yes, the TL-ER6120 features dynamic load balancing across multiple WAN connections to optimize bandwidth utilization and ensure uninterrupted connectivity.
Does the TL-ER6120 support VPN, and which protocols are available?
Yes, the TL-ER6120 supports IPsec, PPTP, and L2TP VPN protocols with up to 30 simultaneous IPsec tunnels for secure remote access.
What security features does the TL-ER6120 offer?
The TL-ER6120 includes SPI firewall, DoS defense, IP/MAC/URL filtering, and ARP inspection to protect your network against external and internal threats.
Is the TL-ER6120 compatible with IPv6?
Yes, the TL-ER6120 is fully IPv6-ready with dual-stack IPv4/IPv6 routing support for future-proof network deployments.
How do I set up the TL-ER6120 router?
Setup is streamlined via the web-based GUI wizard: connect your WAN/LAN cables, access the default IP address, and follow the guided configuration steps.
Can I manage the TL-ER6120 remotely?
Yes, the TL-ER6120 supports secure remote management through HTTPS, SSH, and SNMP v1/2c for flexible administration.
Does the TL-ER6120 support VLAN segmentation?
Yes, the TL-ER6120 supports 802.1Q VLAN tagging for network segmentation and traffic isolation across multiple departments.
Which routing protocols are supported by the TL-ER6120?
The TL-ER6120 supports static routing, RIPv1/v2, and policy-based routing to accommodate diverse network topologies.
What are the typical use cases for the TL-ER6120?
The TL-ER6120 is ideal for small offices, retail outlets, and remote branches requiring reliable Gigabit Ethernet connectivity, secure VPN, and traffic management.
What management interfaces and protocols does the TL-ER6120 support?
The TL-ER6120 offers a web-based GUI, CLI, SNMP v1/2c, and Syslog support for comprehensive monitoring and configuration.
What is the power consumption of the TL-ER6120?
The TL-ER6120 consumes a maximum of 7 W under full load, ensuring energy-efficient operation.
What warranty and support options are available for the TL-ER6120?
The TL-ER6120 includes a two-year limited warranty and lifetime technical support via phone, email, and an online knowledge base.