ISR4331-AXK9 Cisco ISR4331-AX/K9 Integrated Services Router

Mfr. Part #: ISR4331-AXK9
Brand: Cisco
Condition: Refurbished
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ISR4331-AX/K9

ISR4331-AXK9 Cisco ISR4331-AX/K9 Integrated Services Router

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ISR4331-AXK9 Overview

CISCO ISR4331-AX/K9 Integrated Services Router 4331 Application Experience Bundle Router Rack-mountable.

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Specifications

Overview

Condition Refurbished
Brand Cisco
Stock In Stock

Key Features

Device Type Router
Enclosure Type Rack-mountable - Modular - 1u
Connectivity Technology Wired
Data Link Protocol Ethernet, Fast Ethernet, Gigabit Ethernet
Performance Aggregate Throughput: 100 Mbps
Network/transport Protocol Ipsec, Pppoe, Dhcp, L2tpv3
Routing Protocol Ospf, Is-is, Rip-1, Rip-2, Bgp, Eigrp, Dvmrp, Pim-sm, Igmpv3, Gre, Pim-ssm, Static Ipv4 Routing, Static Ipv6 Routing, Policy-based Routing (pbr), Mpls, Bidirectional Forwarding Detection (bfd), Ipv4-to-ipv6 Multicast
Features Firewall Protection, Vpn Support, Mpls Support, Vlan Support, Syslog Support, Ipv6 Support, Class-based Weighted Fair Queuing (cbwfq), Weighted Random Early Detection (wred), Wall Mountable, Ipsec Virtual Private Network (vpn), Access Control List (acl) Support, Quality Of Service (qos), Dynamic Multipoint Vpn (dmvpn), Radius Support, Bidirectional Forwarding Detection (bfd), Netflow, Ipfix
Compliant Standards Ieee 802.3, Ieee 802.1q, Ieee 802.3ah, Ieee 802.1ag, Ansi T1.101, Itu-t G.823, Itu-t G.824, Cispr 22 Class A, Cispr 24, En55024, En50082-1, As/nzs 60950-1, Ices-003 Class A, Cs-03, R&tte, Fcc Cfr47 Part 15, Ul 60950-1, Iec 60950-1, En 60950-1, As/nzs 3548 Class A, Gb 4943, Vcci V-3, En 61000, Kn22, Kn24, Cns 13438, En 55022 Class A, En 300 386, Can/csa-c22.2 No. 60950-1
Ram 4 Gb (installed) / 16 Gb (max) - Ddr3 Sdram
Flash Memory 4 Gb (installed) / 16 Gb (max)

interfaces

Wan / Lan 2 X 10base-t/100base-tx/1000base-t - Rj-45
Serial 1 X Auxiliary - Rj-45
Management 1 X Rj-45
Usb 2.0 1 X 4 Pin Usb Type A

Power

Power Device Internal Power Supply - 250 Watt
Installed Qty 1 (installed) / 1 (max)
Voltage Required Ac 120/230 V (50/60 Hz)

Frequently Asked Questions

What are the primary throughput capabilities of the Cisco ISR4331-AX/K9 router? +
The Cisco ISR4331-AX/K9 is designed for high-performance branch office connectivity. It delivers an aggregate throughput of 100 Mbps by default, which can be scaled up to 300 Mbps through performance license upgrades. This modular design allows enterprises to optimize bandwidth based on evolving traffic demands without requiring a full hardware replacement.
Does the ISR4331-AX/K9 support software-defined WAN (SD-WAN) features? +
Yes, the 'AX' designation indicates that this model comes pre-bundled with the Application Experience (AX) package. This includes advanced Cisco performance routing (PfR), wide-area application services (WAAS), and comprehensive SD-WAN capabilities, enabling businesses to intelligently manage traffic across multiple transport links for improved application performance and reduced latency.
What type of interface options are available on the ISR4331-AX/K9? +
This router features two built-in Gigabit Ethernet ports—one RJ-45 and one SFP combo port—providing flexible connectivity for WAN or LAN environments. Additionally, it offers two Network Interface Module (NIM) slots and one Service Module (SM) slot, allowing for the integration of various WAN connectivity options, such as T1/E1, serial, or fiber, to meet specific branch deployment needs.
Is the ISR4331-AX/K9 suitable for branch office voice and security applications? +
Absolutely. The ISR4331-AX/K9 includes onboard hardware acceleration for encryption, ensuring high-speed IPsec VPN connectivity without taxing the main CPU. Furthermore, the platform supports extensive voice features and rich security services, including stateful inspection firewalls, intrusion prevention systems, and zone-based firewalls to protect branch communications effectively.
How does the Cisco ISR4331-AX/K9 handle memory and storage expansion? +
The unit ships with 4 GB of DRAM and 4 GB of flash memory as standard. These resources are designed to handle complex routing tables and local application hosting requirements. The system also supports external USB memory for configuration storage and image upgrades, facilitating efficient manual deployments and rapid device recovery during maintenance windows.
Can the Cisco ISR4331-AX/K9 be managed using centralized controllers? +
This router is fully compatible with Cisco DNA Center and other centralized management platforms. It supports automated provisioning, zero-touch deployment, and detailed telemetry, which significantly reduces the administrative overhead for IT teams managing distributed networks. It provides the visibility and granular control necessary for monitoring branch network health in real-time.
What kind of power redundancy does the ISR4331-AX/K9 offer? +
The platform utilizes a highly efficient internal power supply designed for enterprise-grade uptime. While it does not feature dual-internal power supplies, its modular architecture and robust design are specifically engineered to provide consistent, reliable performance in branch environments. For critical installations, connecting the router to a centralized UPS is the standard recommended practice.
How does the ISR4331-AX/K9 differ from the standard ISR4331 base model? +
The 'AX' in the part number signifies that the router is pre-loaded with the Application Experience software license bundle. While the hardware chassis is identical to the standard ISR4331, the AX variant provides immediate access to advanced networking features out of the box, saving you the time and administrative effort of procuring and installing additional performance and application optimization licenses separately.
How can I obtain a competitive bulk quote for multiple ISR4331-AX/K9 units? +
At BuyRouterSwitch.com, we specialize in supporting large-scale infrastructure deployments. If you are planning a multi-site rollout and require a competitive bulk quote, simply reach out to our dedicated sales team via our request-a-quote portal. Provide your specific quantity and project timeline, and our experts will generate a custom pricing structure to help you meet your budget requirements.
Why should I source my Cisco ISR4331-AX/K9 hardware from BuyRouterSwitch.com? +
BuyRouterSwitch.com is a trusted source for enterprise-grade networking equipment. We ensure that every piece of hardware we supply is authentic and sourced through legitimate supply chains, providing you with peace of mind regarding product integrity. Our experienced team offers streamlined purchasing processes and expert support to ensure your networking hardware arrives ready for your deployment phase.

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