The Cisco ISR4321-SEC/K9 is an Integrated Services Router with Security Bundle designed to deliver secure, scalable WAN connectivity for enterprise branch offices and distributed network environments. Built on the Cisco 4000 Series platform, this compact 1RU router combines advanced routing, network security, and application-aware services. It features 2 Gigabit Ethernet RJ-45 ports, 1 Gigabit Ethernet SFP port, and 2 Network Interface Module (NIM) slots for flexible network expansion.
Powered by Cisco IOS XE Software, the Cisco ISR4321-SEC/K9 supports essential enterprise networking and security capabilities, including IPsec VPN, firewall services, Quality of Service (QoS), and secure WAN connectivity. Its modular architecture enables organizations to add compatible interfaces and services as requirements evolve, making it suitable for branch network modernization and SD-WAN deployments.
The Cisco ISR4321-SEC/K9 Integrated Services Router is an ideal solution for organizations seeking reliable secure WAN routing, branch connectivity, VPN infrastructure, and integrated voice, video, and data networking. It provides a flexible platform for enterprise networks requiring dependable connectivity and integrated security capabilities in a space-efficient design.
Product Specifications - Cisco ISR4321-SEC/K9 Integrated Services Router with Security Bundle
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| Specification |
Details |
| Product Name |
Cisco ISR4321-SEC/K9 Integrated Services Router with Security Bundle |
| Manufacturer |
Cisco Systems |
| Part Number |
ISR4321-SEC/K9 |
| Product Type |
Integrated Services Router with Security Bundle |
| Series |
Cisco 4000 Series |
| Platform |
Cisco 4321 Integrated Services Router |
| Form Factor |
1RU |
| Ethernet Ports |
2 × Gigabit Ethernet RJ-45 |
| SFP Port |
1 × Gigabit Ethernet SFP |
| Expansion |
2 × Network Interface Module (NIM) Slots |
| Operating System |
Cisco IOS XE Software |
| Security |
Integrated Security Bundle with IPsec VPN and firewall capabilities |
| QoS |
Supported |
| VPN |
IPsec VPN |
| WAN Services |
Secure WAN connectivity and advanced routing services |
| Architecture |
Modular Integrated Services Router |
| Deployment |
Enterprise branch offices and distributed network environments |
| Primary Application |
Secure WAN edge routing, branch networking, and integrated network services |
| Use Cases |
Enterprise branch networking, secure WAN connectivity, VPN deployments, SD-WAN, network modernization, and voice/data/video integration |
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FAQs
Q1. What is the Cisco ISR4321-SEC/K9?
The Cisco ISR4321-SEC/K9 is a Cisco 4000 Series Integrated Services Router with a Security Bundle, designed to provide secure routing, WAN connectivity, VPN, firewall, and other enterprise networking services.
Q2. Who should buy the Cisco ISR4321-SEC/K9?
The Cisco ISR4321-SEC/K9 is ideal for enterprises, government organizations, educational institutions, healthcare providers, and businesses requiring secure and scalable branch office connectivity.
Q3. Is a refurbished Cisco ISR4321-SEC/K9 worth buying?
Yes. A professionally refurbished Cisco ISR4321-SEC/K9 can provide enterprise-grade routing and security capabilities at a significantly lower cost, making it a practical option for maintaining compatible Cisco 4000 Series infrastructure.
Q4. What security features are included with the Cisco ISR4321-SEC/K9?
The Cisco ISR4321-SEC/K9 supports advanced security services including IPsec VPN, firewall capabilities, secure WAN connectivity, and application-aware security features through Cisco IOS XE Software.
Q5. Does the Cisco ISR4321-SEC/K9 support expansion modules?
Yes. The Cisco ISR4321-SEC/K9 provides two Network Interface Module (NIM) slots, allowing compatible interfaces and services to be added as network connectivity requirements grow.
