The Cisco ISR4331-SEC/K9 is a Cisco 4000 Series Integrated Services Router with Security Bundle, designed to provide secure, scalable, and reliable WAN connectivity for enterprise branch offices and distributed network environments. It combines enterprise routing, network security, and application-aware services in a compact 1RU platform, making it suitable for modern branch infrastructure and WAN edge deployments.
Featuring 2 Gigabit Ethernet RJ-45 ports, 1 Gigabit Ethernet SFP port, and 2 Network Interface Module (NIM) slots, the Cisco ISR4331-SEC/K9 provides flexible connectivity and expansion options as network requirements evolve. Powered by Cisco IOS XE Software, it supports advanced routing, VPN services, firewall capabilities, and Quality of Service (QoS) for secure and efficient network traffic management.
The Cisco ISR4331-SEC/K9 is well suited for enterprise branch networking, secure WAN connectivity, site-to-site VPN deployments, SD-WAN modernization, and voice, video, and data integration. Its modular architecture and integrated security capabilities make it an effective solution for organizations seeking dependable routing and protection at the enterprise network edge.
Product Specifications - Cisco ISR4331-SEC/K9 Integrated Services Router with Security Bundle
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| Specification |
Details |
| Product Name |
Cisco ISR4331-SEC/K9 Integrated Services Router with Security Bundle |
| Manufacturer |
Cisco Systems |
| Part Number |
ISR4331-SEC/K9 |
| Product Type |
Integrated Services Router with Security Bundle |
| Series |
Cisco 4000 Series Integrated Services Router |
| Ports |
2 × Gigabit Ethernet RJ-45, 1 × Gigabit Ethernet SFP |
| Expansion |
2 × Network Interface Module (NIM) Slots |
| Form Factor |
1RU |
| Operating System |
Cisco IOS XE Software |
| Security |
Integrated Security Bundle with VPN and firewall capabilities |
| Routing |
Advanced enterprise Layer 2 and Layer 3 routing |
| VPN |
VPN services for secure WAN connectivity |
| Quality of Service |
QoS support for traffic prioritization and application delivery |
| Architecture |
Modular Cisco ISR platform |
| Deployment |
Enterprise branch offices and secure WAN edge environments |
| Primary Application |
Secure routing, WAN connectivity, and integrated network services |
| Use Cases |
Enterprise branch networking, secure WAN connectivity, site-to-site VPN, SD-WAN modernization, and voice, video, and data integration |
FAQs
Q1. What is the Cisco ISR4331-SEC/K9?
The Cisco ISR4331-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 ISR4331-SEC/K9?
The Cisco ISR4331-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 ISR4331-SEC/K9 worth buying?
Yes. A professionally refurbished Cisco ISR4331-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 ISR4331-SEC/K9?
The Cisco ISR4331-SEC/K9 Security Bundle 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 ISR4331-SEC/K9 support expansion modules?
Yes. The Cisco ISR4331-SEC/K9 provides two Network Interface Module (NIM) slots, allowing compatible interfaces and services to be added as network connectivity requirements grow.
