The Cisco ISR4221-SEC/K9 is a secure, reliable, and high-performance router from the Cisco 4000 Series Integrated Services Routers (ISR), designed for small to medium branch offices and enterprise edge deployments. Combining advanced security, flexible connectivity, and enterprise-grade routing, this router provides a cost-effective solution for organizations requiring dependable WAN performance and secure network services.
With a throughput ranging from 35Mbps to 75Mbps, the ISR4221-SEC/K9 efficiently supports small branch networks, remote offices, and retail locations. It is ideal for handling business-critical applications such as cloud services, VPNs, VoIP, video conferencing, and data transfers, ensuring reliable and uninterrupted network performance even with multiple simultaneous services.
The router includes 2 WAN/LAN ports, offering versatile connectivity for primary and secondary network links, redundancy, or segmented networks. Additionally, it features 1 SFP (Small Form-factor Pluggable) port, enabling high-speed fiber-optic connections for long-distance or high-reliability networking. This combination of copper and fiber interfaces ensures flexible deployment and easy integration into hybrid networks.
Security is a key strength of the ISR4221-SEC/K9. Built-in advanced security features include VPN support, firewall, intrusion prevention, and secure network segmentation. These features protect sensitive business traffic, provide secure remote access, and help maintain compliance with corporate and industry security standards. Cisco’s secure architecture ensures your network is protected against evolving threats.
Powered by Cisco IOS XE software, the router offers enterprise-level network management, automation, and programmability. Features such as Quality of Service (QoS), application visibility, and traffic analytics allow IT teams to prioritize mission-critical applications, optimize network performance, and gain actionable insights. Its modular design supports interface expansion for WAN, LAN, or security services, making it a future-proof solution for growing networks.
The ISR4221-SEC/K9 is compact, energy-efficient, and rack-mountable, making it ideal for branch offices, small corporate sites, or remote enterprise deployments. Its combination of performance, security, and flexibility ensures seamless integration into existing networks, providing a reliable and scalable platform for small to medium enterprise environments.
Whether securing branch office connections, supporting cloud-based applications, or providing reliable VPN access, the Cisco ISR4221-SEC/K9 delivers a secure, versatile, and high-performance routing solution for businesses that require enterprise-class features in a compact footprint.
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