ISR4331-AX/K9 Cisco ISR4331 Router with AX Bundle (App Security License)
Cisco ISR4331-AX/K9 Integrated Services Router with AX Bundle (Application Experience & Security License)
Enterprise Cisco ISR4331 AX Router with Application Experience Bundle, Advanced Security, and Cisco IOS XE
The Cisco ISR4331-AX/K9 4331 Integrated Services Router with AX Bundle is an enterprise-grade routing platform designed for branch networking, secure WAN connectivity, hybrid cloud, and application-aware infrastructure. Powered by Cisco IOS XE, it provides flexible connectivity through Gigabit Ethernet interfaces, 2 NIM slots, 1 Service Module slot, and 1 ISC slot, enabling organizations to expand network, security, and application services as requirements evolve.
The AX Bundle combines advanced routing and application services including MPLS, VRF, DMVPN, IPsec VPN, FlexVPN, QoS, NBAR2, Application Visibility and Control (AVC), WAAS, and PfRv3. Security capabilities such as Zone-Based Firewall help protect branch traffic, while SD-WAN compatibility supports modern software-defined and hybrid WAN architectures.
The Cisco ISR4331-AX/K9 is an ideal solution for enterprise branch offices, secure SD-WAN edge deployments, hybrid cloud connectivity, MPLS and VPN networks, application-aware WAN optimization, business continuity, and secure remote access. Its modular architecture and IOS XE platform provide a scalable foundation for organizations modernizing distributed enterprise networks.
Product Specifications - Cisco ISR4331-AX/K9 4331 Integrated Services Router with AX Bundle
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| Specification | Details |
|---|---|
| Product Name | Cisco ISR4331-AX/K9 4331 Integrated Services Router with Application Experience (AX) Bundle |
| Manufacturer | Cisco Systems |
| Part Number | ISR4331-AX/K9 |
| Product Series | Cisco 4000 Series Integrated Services Routers |
| Product Type | Integrated Services Router |
| Bundle | Application Experience (AX) Bundle |
| Integrated WAN/LAN Interfaces | 2 × 10/100/1000 Gigabit Ethernet |
| Management Ethernet | 1 × 10/100/1000 Gigabit Ethernet Management Interface |
| NIM Slots | 2 × Network Interface Module (NIM) Slots |
| Service Module Slot | 1 × Service Module Slot |
| ISC Slot | 1 × Internal Services Card Slot |
| Console | RJ-45 Console and USB Console |
| USB | 2 × USB 2.0 Ports |
| Operating System | Cisco IOS XE |
| Application Experience | AX Bundle |
| Application Visibility | NBAR2 and Application Visibility and Control (AVC) |
| WAN Optimization | Cisco WAAS, License/Configuration Dependent |
| Performance Routing | PfRv3, License/Configuration Dependent |
| Security | Cisco Security Services |
| Firewall | Zone-Based Firewall |
| VPN | IPsec VPN, FlexVPN and DMVPN |
| Routing | Layer 2 and Layer 3 Routing |
| IPv4 | Supported |
| IPv6 | Supported |
| MPLS | Supported |
| VRF | Supported |
| QoS | Advanced Quality of Service |
| SD-WAN | Cisco SD-WAN Ready / Software and License Dependent |
| Network Address Translation | NAT |
| Multicast | Supported |
| High Availability | IOS XE Resiliency and Redundancy Features |
| Modular Expansion | NIM and Service Module Expansion |
| Application Optimization | NBAR2, AVC, WAAS and PfRv3 |
| Network Management | Cisco IOS XE CLI, SNMP and Cisco Management Tools |
| Rack Height | 1RU |
| Form Factor | Rack-Mountable |
| Deployment | Enterprise Branch, WAN Edge and Hybrid Cloud |
| Application | Secure Routing, WAN Optimization, VPN and Application-Aware Networking |
| Compatibility | Cisco 4000 Series ISR Platform |
| Condition | Refurbished |
| Use Cases | Enterprise Branch Routing, Secure SD-WAN Edge, Hybrid Cloud Connectivity, MPLS/VPN Networking, WAN Optimization, Business Continuity and Secure Remote Access |
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FAQs
Q1. What is the Cisco ISR4331-AX/K9?
The Cisco ISR4331-AX/K9 is a Cisco 4000 Series Integrated Services Router that includes the AX Bundle, combining Application Experience and Security licenses to deliver advanced routing, WAN optimization, and enterprise security features.
Q2. Who should buy the Cisco ISR4331-AX/K9?
The Cisco ISR4331-AX/K9 is ideal for enterprises, government agencies, educational institutions, financial organizations, and businesses that require secure, application-aware branch routing with scalable WAN connectivity.
Q3. Is a refurbished Cisco ISR4331-AX/K9 worth buying?
Yes. A professionally refurbished Cisco ISR4331-AX/K9 provides enterprise-grade routing, integrated security, and application optimization at a significantly lower cost than purchasing new hardware.
Q4. What features are included in the Cisco AX Bundle?
The AX Bundle includes advanced routing protocols, NBAR2, Application Visibility and Control (AVC), WAAS, PfRv3, Zone-Based Firewall, IPSec VPN, DMVPN, FlexVPN, and other application experience and security capabilities through Cisco IOS XE.
Q5. Does the Cisco ISR4331-AX/K9 support performance upgrades?
Yes. The Cisco ISR4331-AX/K9 supports Cisco's pay-as-you-grow Performance-on-Demand licensing, allowing throughput to be upgraded from the base performance level to higher bandwidth as network requirements increase without replacing the hardware.
