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AR151-S
AR151-S,1FastEthernet WAN,4FastEthernet LAN,1USB
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AR151-S is an enterprise router featuring a robust modular architecture designed for high-performance networking in demanding environments. It provides redundant AC power options, dual WAN interfaces paired with 4 LAN ports, and integrated services such as voice and WAN optimization, ensuring reliable and secure connectivity across diverse network topologies.
AR151-S delivers advanced VPN capabilities including IPSec and SSL VPN support alongside built-in firewall protection and intrusion prevention. Its design emphasizes high throughput of up to 1 Gbps with modular expansion slots for network interface modules, making it ideal for enterprise use cases that require redundancy, flexible management, and comprehensive security.
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Request bulk order quote for AR151-S for additional pricing. Browse the full Ar150 Series Enterprise Routers series or explore all Huawei products.
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| AR151-S |  AR158E |  AR0M1576BA00 |  AR151G-HSPA+7 |  AR151W-P-S | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Modular | Modular | Modular | Fixed | Modular |
| Broadband | Fiber Optic / DSL | Fiber Optic / DSL | Fiber Optic / DSL | HSPA+ | N/A |
| Built-in Security Features | Firewall, Intrusion Prevention, Malware Protection | Firewall, Intrusion Prevention, Malware Protection | Firewall, Intrusion Prevention, Malware Protection | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention |
| Compliance Standards | FCC, CE | IEEE 802.3, IEEE 802.1x | FCC, CE, RoHS | FCC, CE, RoHS | FCC, CE, RoHS |
| Connectivity Type | Wired | Wired | Wired | Wired / Wireless | Wired / Wireless |
| Depth | 18 inches | 18 inches | 18 inches | 6.5 inches | 11 inches |
| Device Type | Router | Router | Router | Gateway | Router |
| EMC | N/A | CISPR 22 | N/A | FCC, CE | 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+ | N/A | NIM |
| Features | VPN, Firewall, IPv6 Compatible | VPN, IPv6 Compatible, Firewall, POE, MPLS, Syslog | VPN, IPv6 Compatible, Firewall, MPLS, Syslog | VPN / IPv6 Compatible / Firewall / PoE | VPN / IPv6 Compatible / Firewall |
| 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 | Desktop | Rack-mount |
| Height | 1.75 inches | 2 inches | 2 inches | 2.2 inches | 1.75 inches |
| High Availability Support | Supported | Supported | Supported | Supported | Supported |
| Integrated Services | Voice, WAN Optimization | Voice, WAN Optimization | Voice, Video, WAN Optimization | Voice / Video / WAN Optimization | Voice / Video |
| Interface Ports | RJ-45, SFP | RJ-45, SFP | RJ-45, SFP+, Combo Ports | RJ-45 | RJ-45 / SFP |
| LAN Ports | 4 LAN Ports | 4 LAN Ports | 8 LAN Ports | 4 LAN Ports | 4 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 2 GB | 4 GB | 4 GB | 1 GB | 2 GB |
| Modular Slots Available | 2 Slots | 2 Slots | 3+ Slots | N/A | 2 Slots |
| Network Protocols | IPv4, IPv6, ICMP, TCP, UDP | TCP/IP, UDP | IPv4, IPv6 | IPv4, IPv6, PPPoE, Static Routing | IPv4, IPv6 |
| Power | 120W | 250W | 250W | 25 Watt | 65 Watt |
| Power Source | AC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply / Redundant | AC Power Supply / DC Power Supply / Redundant | AC Power Supply / Redundant |
| Product Name | AR151-S Enterprise Router | AR158E Enterprise Router | AR0M1576BA00 Enterprise Modular Router | AR151G-HSPA+7 | AR151W-P-S Enterprise Router |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Wireless Gateway | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | SSH, HTTPS | SSH, Telnet, HTTPS | SNMP, HTTPS, CLI | HTTPS, SSH, SNMP | SSH, SNMP, Telnet |
| Routing Protocols | OSPF / BGP / EIGRP / Static Routing | OSPF / BGP / EIGRP / Static Routing | OSPF / BGP / EIGRP / Static Routing | OSPF / BGP / Static Routing | OSPF / BGP / EIGRP / Static Routing |
| Safety | N/A | CE, FCC | N/A | UL / CE | N/A |
| Speed/Capacity | Gigabit | Gigabit | Gigabit | Gigabit | Gigabit |
| Stacking Capability | Yes | Yes | Yes | No | Yes |
| Telecom | N/A | ITU-T | N/A | TIA/EIA | N/A |
| Throughput Capacity | 1 Gbps | 1 Gbps | 10 Gbps | 0.3 Gbps | 1 Gbps |
| Use Case | Enterprise | Enterprise | Enterprise | Enterprise / Industrial | Enterprise |
| VPN Support | IPSec / SSL VPN / DMVPN | IPSec / SSL VPN / DMVPN / FlexVPN | IPSec / SSL VPN / GRE | IPSec / SSL VPN | IPSec / SSL VPN |
| WAN Configuration | Dual WAN | Dual WAN | Dual WAN | Dual WAN | Dual WAN |
| WAN Ports | 2 WAN | 2 WAN | 2 WAN | 2 WAN | 2 WAN |
| Weight | 15 lbs | 15 lbs | 15 lbs | 3.5 lbs | 12 lbs |
| Wi-Fi Standard | N/A | N/A | N/A | WiFi 5 | WiFi 6 |
| Width | 17.5 inches | 17 inches | 19 inches | 8.1 inches | 17 inches |
| Wireless Support | No | No | No | Yes | Yes |
Simple branch gateway for basic WAN needs. Stable connectivity and easy configuration for small office networks.
Reliable day-to-day performance with straightforward management.
Consistent uptime and stable routing for small deployments.
Good value device for basic branch connectivity.
Easy deployment with predictable performance in production.
Reliable small-site gateway with steady operation.
The AR151-S is a compact enterprise-grade router featuring 1 FastEthernet WAN port, 4 FastEthernet LAN ports, and 1 USB port for advanced networking and secure connectivity.
The device provides one FastEthernet WAN port for internet uplink and four FastEthernet LAN ports for local device connectivity.
The USB port supports 3G/4G dongles for backup internet, external storage for log export, and firmware upgrades.
The AR151-S delivers up to 100 Mbps of firewall throughput, making it ideal for small offices and remote sites.
It supports IPsec, PPTP, and L2TP VPNs with up to 50 concurrent tunnels for secure remote access.
Use the web-based GUI or CLI over Ethernet to complete guided wizards, set WAN/LAN parameters, and apply firewall policies.
Yes, it supports IEEE 802.1Q VLAN tagging, enabling up to 16 VLANs for network segmentation.
It includes Stateful Packet Inspection, DoS protection, IP/MAC binding, and URL filtering to safeguard your network.
Yes, remote management is available via secure HTTPS, SSH, and SNMP v2/v3 for centralized administration.
The router operates on a 12 V DC input at 1 A, with typical power consumption under 5 W.
It measures 173 × 127 × 27 mm (W×D×H) and weighs approximately 0.4 kg.
Yes, full IPv6 routing and transition technologies (6to4, 6rd, and DHCPv6) are supported.
It supports up to 32,000 concurrent sessions, ensuring reliable performance for small networks.
The product comes with a one-year hardware warranty and access to online firmware updates and technical documentation.
It runs on the vendor’s proprietary RouterOS, offering advanced routing, firewall, and QoS features.
Yes, it supports WAN backup and load balancing across primary and secondary links, including USB 3G/4G dongles.
United States