The Cisco ISR4451-X-SEC/K9 is a high-performance integrated services router from the Cisco 4000 Series, specifically designed for secure and scalable enterprise branch networking. It comes with a SEC (Security) license, enabling advanced security features such as firewall, VPN, and threat protection.
This router delivers aggregate throughput from 1 Gbps up to 2 Gbps, making it suitable for medium to large enterprise deployments and service-rich WAN environments.
It features 4 x Gigabit Ethernet ports and 4 x SFP ports, along with 3 NIM slots and 2 service module (SM-X) slots, allowing flexible expansion and customization based on network needs.
The ISR4451-X architecture separates the data plane and control plane memory, ensuring better performance, stability, and scalability for advanced applications like SD-WAN, unified communications, and cloud connectivity.
With built-in security capabilities including IPsec VPN, SSL VPN, and zone-based firewall, this router provides strong protection for enterprise networks while maintaining high-speed performance.
🔑 Key Features:
- Throughput: 1 Gbps to 2 Gbps
- Integrated SEC (Security) license
- 4 x GE RJ45 ports + 4 x SFP ports
- 3 x NIM slots + 2 x SM-X slots
- Advanced security (Firewall, VPN, IPSec, SSL)
- Modular and scalable architecture
- 8GB flash (expandable), up to 16GB DRAM
- Ideal for enterprise branch & WAN environments
