What is the installation process for AR121?

The AR121 router installation involves mounting, connecting power, and configuring settings. Refer to the user manual for detailed steps.

What are the main features of Huawei AR121?

The Huawei AR121 includes 2FE WAN and 4FE LAN ports, offering robust connectivity for small enterprise networks.

How cost-effective is the Huawei AR121 router?

The AR121 is cost-effective for small businesses, providing extensive features at an affordable price.

What are the typical application scenarios for AR121?

AR121 is ideal for small office or branch office settings requiring reliable WAN and LAN connectivity.

What accessories are available with AR121?

The AR121 typically includes a power adapter, mounting brackets, and user documentation.

Does the Huawei AR121 require regular upgrades?

Regular firmware updates for AR121 are recommended to ensure optimal performance and security.

Are there alternative products to Huawei AR121?

Alternatives include routers like Cisco ISR 900 Series, suitable for similar small enterprise applications.

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AR121, Huawei AR Series Router, 2FE WAN/4FE LAN

Name: AR121, Huawei AR Series Router, 2FE WAN/4FE LAN
SKU: AR121
Price: 292 USD
Availability: OutOfStock
Rating: 4.4 (3 reviews)

Brand: Huawei
Model: AR121

Rating:

87%

4.4/5.0

3 Reviews

11 Questions

$292.00

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AR121, Huawei AR Series Router, 2FE WAN/4FE LAN

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$292.00

Overview

Huawei AR121 Overview

The Huawei AR121 is a compact enterprise router designed for small branch and SME networks that need secure, always-on WAN access. With 2FE WAN and 4FE LAN ports that can be flexibly configured, this Huawei router delivers 50 Mbit/s WAN speed with services for up to 20 users. Integrated support for ARP, PBR, DNS, DHCP, NAT, rich IPv4/IPv6 routing, VPN, QoS, and ACL-based security makes the AR121 ideal for cost-sensitive deployments across Asia, Europe, Africa, and North America.

Product Highlights

50 Mbit/s

Wan Speed

Users

2+4 FE

Flex Ports

Product Applications Scenarios

Enterprise Network

AR121 consolidates routing, VPN, and security to connect small branches, cutting deployment and management overhead by up to 30% for distributed enterprise networks.

Service Providers

Used as CPE, the AR121 offers stable WAN performance, rich QoS, and VPN, helping carriers deliver managed access services while reducing truck-roll visits by around 20%.

Edge & IoT

With flexible FE WAN/LAN ports and robust NAT, AR121 securely aggregates traffic from edge and IoT devices, simplifying backhaul and lowering edge gateway costs.

Product Features Comparison


Model	AR121, Huawei AR Series Router, 2FE WAN/4FE LAN	AR2204-51GE-P, Huawei AR2200 Router, 3GE WAN, 48GE (8POE), 60W AC Power	NECM000HSA00, Huawei NE05E-SG Router, 4×GE/FE Combo, DC power, -40~65°C	AR3260, Huawei AR3260 Router, Integrated chassis component
Brand	Huawei	Huawei	Huawei	Huawei
Routing Throughput	50 Mbit/s	WAN Speed with Services***: 200 Mbit/s	Forwarding Capacity (IPv4/IPv6): 24 Gbit/s	WAN Speed with Services ***: 1 Gbit/s (SRU40), 2 Gbit/s (SRU80), 1 Gbit/s (SRU100E), 4.5 Gbit/s (SRU200), 5.5 Gbit/s (SRU400)
Interface Configuration	Fixed WAN Ports: 1 x FE (the interface LAN 0 of which can be used as one WAN interface); Fixed Ethernet Switching Ports: 4 x FE (can be configured as WAN interfaces)	Fixed WAN Ports: 3 x GE (1 x combo port); Fixed LAN Ports: 48 x GE	Interfaces: 4 x GE/FE(O) + 4 x GE/FE(E) + 4 x GE/FE Combo	Fixed WAN Ports: SRU40: 3 x GE (2 x Combo) SRU80: 3 x GE (2 x Combo) SRU100E: 4 x GE Combo+ 2 x GE SFP SRU200: 4 x GE Combo+ 2 x 10 GE SFP+ SRU400: 4 x GE Combo+ 2 x 10 GE SFP+
Supported Protocol	Basic Features: ARP, PBR, DNS, DHCP, and NAT; IPv4 Routing: Static route, RIP, and BGP; IPv6 Routing: Static route, RIPng, and BGP4+; Multicast: IGMP v1/v2/v3, MLD	LAN: IEEE 802.1P, IEEE 802.1Q, IEEE 802.3, VLAN management, MAC address management, and MSTP; IPv4 Unicast Routing: Routing policy, static route, RIP, OSPF, IS-IS, and BGP; IPv6 Unicast Routing: Routing policy, static route, RIPng, OSPFv3, IS-ISv6, and BGP4+	Clock: 1588 V2, ACR, E1 line clock, and sync clock	LAN: IEEE 802.1P, IEEE 802.1Q, IEEE 802.3, VLAN management, MAC address management, and MSTP; IPv4 Unicast Routing: Routing policy, static route, RIP, OSPF, IS-IS, and BGP; IPv6 Unicast Routing: Routing policy, static route, RIPng, OSPFv3, IS-ISv6, and BGP4+
VPN Capability	VPN: IPSec VPN, GRE VPN, DSVPN, L2TP VPN, Smart VPN	VPN: IPSec VPN, GRE VPN, DSVPN, A2A VPN, L2TP VPN, Smart VPN	n/a	VPN: IPSec VPN, GRE VPN, DSVPN, A2A VPN, L2TP VPN, Smart VPN
Integrated Features	WLAN (AC): AP management (AC discovery/AP access/AP management), CAPWAP, WLAN user management, WLAN radio management (802.11a/b/g/n), WLAN QoS (WMM), and WLAN security (WEP/WPA/WPA2/key management); QoS: MQC, priority mapping, traffic policing (CAR), traffic shaping, congestion avoidance (based on IP precedence/DSCP WRED), congestion management (LAN interface: SP/WRR/SP + WRR WAN interface: PQ/CBWFQ), and MQC (traffic classification, traffic behavior, and traffic policy); Security: ACL, firewall, 802.1x authentication, AAA authentication, RADIUS authentication, broadcast storm suppression, ARP security, ICMP attack defense, URPF, blacklist, IP source tracing, PKI, and HTTPS; Management and Maintenance: Upgrade management, device management, web-based GUI, SNMP v1/v2c/v3 (AR129CGVW-L only), RMON, NTP, CWMP, Auto-Config, site deployment using USB disk, CLI	Basic Features: DHCP server/client, PPPoE server/client, PPPoA client, PPPoEoA client, NAT, and Subinterface management; 3G: 3G Interface card (WCDMA); LTE: LTE Interface card (FDD LTE: Uplink: 50 Mbit/s; Downlink: 100 Mbit/s); WLAN (AC): AP management (AC discovery/AP access/AP management), CAPWAP, WLAN user management, WLAN radio management (802.11a/b/g/n, WLAN QoS (WMM), and WLAN security (WEP/WPA/WPA2/Key management); QoS: DiffServ mode, MPLS QoS, priority mapping, traffic policing with Committed Access Rate (CAR), traffic shaping, congestion avoidance (based on IP precedent LDP, MPLS L3 VPN, VLL, PWE3, static LSP, dynamic LSP, MPLS TE, IP FRR, LDP FRR, TE FRR (interface/DSCP-based WRED), congestion management (LAN interface: SP, WRR, SP + WRR; WAN interface: PQ/CBWFQ), MQC (traffic classifier, traffic behavior, and traffic policy), Hierarchical QoS, FR QoS, Smart Application Control (SAC), and Hard QoS (SRU80 Main Boards support); Security: ACL, firewall, 802.1x authentication, MAC address authentication, Web Authentication, AAA authentication, RADIUS authentication, HWTACACS authentication, broadcast storm suppression, ARP security, ICMP attack defense, URPF, IP Source Guard, DHCP snooping, CPCAR, blacklist, and IP source tracing; Management and Maintenance: Upgrade management, device management, web-based GUI, GTL, SNMPv1/v2c/v3, NTP, CWMP, Auto-Config, deployment using USB disk, and CLI	n/a	Basic Features: DHCP server/client, PPPoE server/client, PPPoA client, PPPoEoA client, NAT, and sub-interface management; Voice: RTP, SIP, SIP AG, IP PBX/TDM PBX, FXO/FXS, VoIP/conference call, BEST, DISA, and SBC; 3G: 3G Interface card (WCDMA); LTE: LTE Interface card (FDD LTE: Uplink: 50 Mbit/s; Downlink: 100 Mbit/s); WLAN (AC): AP management (AC discovery/AP access/AP management), CAPWAP, WLAN user management, WLAN radio management 802.11a/b/g/n, WLAN QoS (WMM), and WLAN security (WEP/WPA/WPA2/Key management); QoS: DiffServ mode, MPLS QoS, priority mapping, traffic policing (CAR), traffic shaping, congestion avoidance (based on IP precedence/DSCP WRED), congestion management (LAN interface: SP/WRR/SP+ WRRWAN interface: PQ/CBWFQ), MQC (traffic classifier, traffic behavior, traffic policy), hierarchical QoS, FR QoS, Smart Application Control (SAC), Hardware QoS; Security: ACL, firewall, 802.1x authentication, MAC address authentication, Web authentication, AAA authentication, RADIUS authentication, HWTACACS authentication, broadcast storm suppression, ARP security, ICMP attack defense, URPF, IP source guard, DHCP snooping, CPCAR, blacklist, and IP source tracing; Management and Maintenance: Upgrade management, device management, web-based GUI, GTL, SNMPv1/v2c/v3, NTP, CWMP, auto-config, deployment using USB disk, NetConf, and CLI

Optional Add-ons

Model Number	Description
AR01SVB4XA	Huawei AR G3 4FXO voice interface card for analog PSTN connectivity on AR series routers
HWIC-3G-HSPA	Huawei-compatible 3G WCDMA interface card for backup WAN access on branch routers
HWIC-LTE-FDD	Huawei LTE FDD interface card providing high-speed cellular uplink for remote sites

Quality Certifications

Specification

Huawei AR121 Specification

Model

AR121

Brand

Huawei

WAN speed with services* (IMIX)

50 Mbit/s

Number of recommended users

Fixed WAN Ports

1 x FE (the interface LAN 0 of which can be used as one WAN interface)

Fixed Ethernet Switching Ports

4 x FE (can be configured as WAN interfaces)

Fixed Voice Ports

鈥?/p>

Integrated 3G

鈥?/p>

Wi-Fi

鈥?/p>

USB 2.0 Ports

Console Ports

Memory Size

256MB

Flash Memory

256MB

PoE Power

鈥?/p>

Maximum Power

24W

Power Supply (AC)

100V to 240V

Frequency

50 Hz/60 Hz

Dimensions (H x W x D)

44.5mm x 300mm x 220mm (1.7in. x 11.8in. x 8.66in.)

Operating Temperature

0掳C to 45掳C

Relative Humidity

5% to 95% (non-condensing)

Basic Features

ARP, PBR, DNS, DHCP, and NAT

WLAN (AC)

AP management (AC discovery/AP access/AP management), CAPWAP, WLAN user management, WLAN radio management (802.11a/b/g/n), WLAN QoS (WMM), and WLAN security (WEP/WPA/WPA2/key management)

LAN

IEEE 802.1P, IEEE 802.1Q, IEEE 802.3, VLAN management, MAC address management, MSTP, etc.

IPv4 Routing

Static route, RIP, and BGP

IPv6 Routing

Static route, RIPng, and BGP4+

Multicast

IGMP v1/v2/v3, MLD

VPN

IPSec VPN, GRE VPN, DSVPN, L2TP VPN, Smart VPN

QoS

MQC, priority mapping, traffic policing (CAR), traffic shaping, congestion avoidance (based on IP precedence/DSCP WRED), congestion management (LAN interface: SP/WRR/SP + WRR WAN interface: PQ/CBWFQ), and MQC (traffic classification, traffic behavior, and traffic policy)

Security

ACL, firewall, 802.1x authentication, AAA authentication, RADIUS authentication, broadcast storm suppression, ARP security, ICMP attack defense, URPF, blacklist, IP source tracing, PKI, and HTTPS

Management and Maintenance

Upgrade management, device management, web-based GUI, SNMP v1/v2c/v3 (AR129CGVW-L only), RMON, NTP, CWMP, Auto-Con铿乬, site deployment using USB disk, CLI

Weight

7.49 kg

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Quality Certifications

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Q&A

Questions & Answers

How does AR121 compare with other routers in the same category?

AR121 is competitively priced and offers reliable performance compared to other small enterprise routers.

What should I do if I face connectivity issues with AR121?

Check cable connections, restart the router, and verify network settings. If issues persist, consult support.

How can I configure the Huawei AR121 for my network?

Use the web-based interface or command-line interface to configure network settings. Refer to the manual for detailed instructions.

Is router-switch.com a reliable distributor?

Absolutely. As a multi-brand authorized distributor, router-switch.com is directly certified by leading technology manufacturers. We guarantee 100% genuine products, competitive pricing, and full manufacturer warranties and support.

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