ISR4221-AXK9 Cisco ISR4221-AX/K9 ISR 4221 Router 2 Ports F/S
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ISR4221-AX/K9
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ISR4221-AXK9 Overview
CISCO ISR4221-AX/K9 Isr 4221 Router - 2 Ports - 2 Wan Port(s) - 2 Sfp (mini-gbic), Network Interface Module.
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Specifications
Overview
| Condition | New |
|---|---|
| Brand | Cisco |
| Stock | In Stock |
General
Frequently Asked Questions
What are the primary performance capabilities of the Cisco ISR4221-AX/K9 router? +
The Cisco ISR4221-AX/K9 is designed for small branch offices, offering a throughput of 35 Mbps by default. Its modular architecture is optimized for software-defined WAN (SD-WAN) and cloud-ready applications, ensuring consistent performance for branch-to-branch connectivity and secure internet access while maintaining high availability for essential business traffic.
Does the ISR4221-AX/K9 include built-in WAN optimization features? +
Yes, this model includes the App Experience (AX) bundle. This provides advanced features like Cisco Wide Area Application Services (WAAS) and Application Visibility and Control (AVC). These tools allow network administrators to monitor, analyze, and optimize application performance over the WAN, ensuring critical enterprise applications receive the necessary bandwidth and priority.
What type of connectivity ports are available on the ISR4221-AX/K9? +
This router features two built-in 10/100/1000 Mbps Ethernet ports. It also includes one SFP-based port and one RJ-45-based port, allowing for flexible physical WAN connectivity. Additionally, it offers an integrated console port and USB ports to facilitate local management, firmware updates, and external storage for logging or diagnostic files.
Is the ISR4221-AX/K9 suitable for branch office SD-WAN deployments? +
Absolutely. The ISR 4000 series platform is purpose-built for SD-WAN, allowing for automated deployment and centralized management. By leveraging the AX license, users can easily integrate the router into an SD-WAN overlay, simplifying branch operations and reducing complexity through secure, high-performance connectivity between data centers and cloud service providers.
How does the Cisco ISR4221-AX/K9 handle network security? +
Security is integrated at the hardware and software levels. The router supports robust encryption protocols, such as IPsec VPNs, to ensure secure data transit. It also incorporates features like Zone-Based Firewalls and Cisco Trust Anchor technologies, which protect the device from unauthorized software tampering and ensure the integrity of the boot process and configuration.
Can the Cisco ISR4221-AX/K9 be managed via centralized platforms? +
This device is fully compatible with Cisco DNA Center and vManage for modern management workflows. These platforms enable network teams to push policies, automate provisioning, and gain real-time telemetry from the router. Traditional CLI access is also supported for granular, manual configuration if your specific environment requires legacy management methods.
How does the router handle power and cooling requirements in a branch setting? +
The ISR4221-AX/K9 uses an external power supply to maintain a compact, fanless, and quiet form factor. This design is specifically chosen for branch office environments where the device might be located in an open area rather than a dedicated server room, ensuring it operates silently while maintaining enterprise-grade reliability.
Are there expansion slots for additional interface modules on the ISR4221? +
The Cisco ISR 4221 is a fixed-configuration router, meaning it does not have the NIM (Network Interface Module) or SM (Service Module) slots found on higher-end 4000 series models. It provides sufficient fixed ports to meet the needs of smaller sites, keeping the hardware footprint small and the deployment cost efficient for smaller branch offices.
How can I obtain a bulk quote for multiple ISR4221-AX/K9 units for my enterprise project? +
BuyRouterSwitch.com makes bulk procurement straightforward. You can easily request a competitive quote by adding the required quantity of ISR4221-AX/K9 routers to your cart and submitting a quote request, or by contacting our dedicated sales team directly. We specialize in volume pricing structures that help enterprise organizations stay within their budgetary requirements for large-scale network upgrades.
Why should I choose BuyRouterSwitch.com for my Cisco hardware procurement? +
We prioritize providing authentic Cisco equipment directly to IT departments and system integrators. By sourcing through our established supply chain, we ensure the integrity of the hardware you receive. Our streamlined ordering process and professional sales assistance help you procure the right configurations for your enterprise projects without the typical delays associated with general-purpose retailers.






















