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AR6120-S
Huawei AR6120-S 1*GE WAN, 1*GE combo WAN, 1*10GE SFP+, 8*GE...
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AR6120-S is a high-performance enterprise router built on a modular architecture that supports dual power options and offers a versatile array of WAN and LAN interfaces. Its design integrates advanced services including voice, video, and WAN optimization while providing scalability through modular capabilities designed to suit the needs of dynamic enterprise environments.
AR6120-S delivers robust VPN features with support for IPSec, SSL VPN, GRE, DMVPN, and FlexVPN, ensuring secure remote access and data protection. With a throughput capacity of up to 10 Gbps, built-in redundancy, and enhanced performance for demanding use cases, this router is purpose-built for enterprise deployments requiring reliable connectivity and high availability.
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| AR6120-S |  AR6300 |  AR6120 |  AR6140-S |  AR6140-9G-2AC | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Modular | Modular | Modular | Modular | Fixed |
| Broadband | Fiber Optic | Fiber Optic / DSL / LTE | Fiber Optic | Fiber Optic | N/A |
| Built-in Security Features | Firewall, Intrusion Prevention, Malware Protection | Firewall / Intrusion Prevention | Firewall, Intrusion Prevention, Malware Protection | Firewall, Intrusion Prevention, Malware Protection | Firewall / Intrusion Prevention / Malware Protection |
| Compliance Standards | FCC, CE, RoHS | CE / FCC / RoHS | FCC, CE, RoHS | FCC, CE | CE, FCC |
| Connectivity Type | Wired / Ethernet | Wired | Wired | Wired | Wired |
| Depth | 18 inches | 15 inches | 20 inches | 15 inches | 12 inches |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | FCC Part 15 / EN 55032 | CISPR 22, FCC Part 15 | N/A | N/A |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Expansion Slots | NIM | NIM | NIM / SFP+ | NIM | N/A |
| Features | VPN, Firewall, IPv6 Compatible | VPN / IPv6 Compatible / Firewall / WAN Optimization | VPN, IPv6 Compatible, Firewall, MPLS | VPN, IPv6 Compatible, Firewall, WAN Optimization | VPN, Firewall, QoS, NAT, IPv6 Compatible |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 512 MB | 512 MB | 512 MB | 256 MB | 512 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 2 inches | 2.5 inches | 1.75 inches | 4 inches | 2.0 inches |
| High Availability Support | Supported | Supported | Supported | Supported | Supported |
| Integrated Services | Voice, Video, WAN Optimization | Voice / Video / WAN Optimization | Voice, WAN Optimization | Voice, Video, WAN Optimization | Voice / Video / WAN Optimization |
| Interface Ports | RJ-45, SFP | RJ-45 / SFP | RJ-45 / SFP+ | RJ-45 / SFP | RJ-45 |
| LAN Ports | Modular LAN | 8 LAN Ports | 8 LAN Ports | 8 LAN Ports | 7 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 4 GB | 4 GB | 4 GB | 4 GB | 4 GB |
| Modular Slots Available | 3+ Slots | 3+ Slots | 3+ Slots | 3+ Slots | N/A |
| Network Protocols | IPv4, IPv6, MPLS | IPv4 / IPv6 | IPv4, IPv6 | IPv4, IPv6, TCP/IP | OSPF, BGP, EIGRP, RIP, Static Routing |
| Power | 350 Watt | 250W | 150 W | 350 W | 120W |
| Power Source | AC Power Supply / DC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply / DC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply / Redundant |
| Product Name | AR6120-S Enterprise Modular Router | AR6300 Enterprise Router | AR6120 Enterprise Modular Router | AR6140-S Series Enterprise Router | AR6140-9G-2AC |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | SSH, Telnet, HTTPS, SNMP | SSH / Telnet / SNMP | SSH, Telnet, Web GUI, SNMP | SNMP, SSH, Telnet | SSH, Telnet, SNMP, HTTPS |
| Routing Protocols | OSPF / BGP / EIGRP / MPLS / Static Routing | OSPF / BGP / EIGRP / MPLS / Static Routing | OSPF / BGP / EIGRP / MPLS / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing |
| Safety | N/A | UL / cUL | UL, CSA | N/A | N/A |
| Speed/Capacity | Gigabit | Gigabit | Gigabit | Gigabit | Gigabit |
| Stacking Capability | Yes | Yes | Yes | Yes | Yes |
| Telecom | N/A | N/A | TIA/EIA-568 | N/A | N/A |
| Throughput Capacity | 10 Gbps | 3.5 Gbps | 10 Gbps | 10 Gbps | 1 Gbps |
| Use Case | Enterprise | Enterprise | Enterprise | Enterprise | Enterprise |
| VPN Support | IPSec / SSL VPN / GRE / DMVPN / FlexVPN | IPSec / SSL VPN / GRE / DMVPN | IPSec / SSL VPN / DMVPN | IPSec / SSL VPN | IPSec / SSL VPN |
| WAN Configuration | Dual WAN | Dual WAN | Dual WAN | Dual WAN | Dual WAN |
| WAN Ports | Modular WAN | 2 WAN | 2 WAN | 2 WAN | 2 WAN |
| Weight | 15 lbs | 15 lbs | 25 lbs | 25 lbs | 15 lbs |
| Wi-Fi Standard | N/A | N/A | N/A | N/A | N/A |
| Width | 17 inches | 17 inches | 17.5 inches | 17 inches | 17 inches |
| Wireless Support | No | No | No | No | No |
Reliable upgrade path router with strong interface mix. Handles branch traffic smoothly with consistent uptime.
Stable routing performance and easy deployment for enterprise branches.
Predictable throughput and steady WAN behavior in production.
Good value router with reliable daily operations.
Consistent stability and straightforward management for branch rollouts.
Dependable router for branch standardization with solid performance.
The Huawei AR6120-S is a modular enterprise router featuring 1×GE WAN, 1×GE combo WAN, 1×10GE SFP+, 8×GE LAN, 2×USB ports and 2×SIC slots for scalable network connectivity.
The AR6120-S offers 1 Gigabit Ethernet WAN port, 1 Gigabit Ethernet combo WAN/LAN port, 1 10GE SFP+ port, 8 Gigabit Ethernet LAN ports, 2 USB interfaces and 2 service interface card (SIC) slots.
Compared to the AR1220E-S, the AR6120-S adds a 10GE SFP+ port, dual SIC slots and enhanced throughput for improved scalability and performance.
The AR6120-S delivers carrier-grade forwarding performance with up to 1 Gbps of aggregate throughput and sub-millisecond latency for high-speed enterprise networks.
The AR6120-S integrates a full suite of security features including stateful firewall, IPS, URL filtering, anti-DDoS, and DoS protection to safeguard enterprise data.
Yes. The AR6120-S supports IPsec, GRE, SSL VPN and MACsec encryption, delivering secure site-to-site and remote access VPN connectivity.
The AR6120-S supports Huawei SIC-module series, including 4×10GE SFP+, 4×GE PoE and 2×T1/E1 WAN cards for flexible interface expansion.
The AR6120-S can be managed via CLI, Web GUI, eSight NMS, SNMP v2/v3 and NetConf, with built-in remote logging and performance monitoring capabilities.
Absolutely. Its compact form factor, dual WAN ports and integrated security make the AR6120-S ideal for branch offices requiring reliable, high-availability connectivity.
The AR6120-S supports multi-level queuing, traffic shaping, policing, and hierarchical QoS to prioritize mission-critical applications and ensure bandwidth guarantees.
Yes. The AR6120-S supports MPLS L2/L3 VPN, LDP, RSVP and Huawei’s agile SD-WAN solution for application-aware, multi-path traffic steering.
The two USB 2.0 ports support 3G/4G USB modems, configuration backup/restoration and firmware upgrades for convenient field maintenance.
The AR6120-S consumes under 25 W in typical operation and supports an optional AC/DC redundant power module for continuous network availability.
The AR6120-S measures 44 mm × 435 mm × 210 mm (H×W×D) and weighs approximately 3.2 kg, fitting standard 1U rack or desktop installations.
You can upgrade the AR6120-S OS via USB, TFTP or FTP using Huawei’s Versatile Routing Platform (VRP) package and perform zero-touch activation for minimal downtime.
Huawei provides a one-year limited hardware warranty, optional extended support plans, and 24/7 global TAC access for software updates and technical assistance.
United States