Cisco ISR 4451 Router – High-Capacity Enterprise WAN & SD-WAN Edge Router

Cisco ISR 4451 Router is engineered to provide robust, high-capacity WAN and SD-WAN routing for distributed enterprise networks. As part of Cisco’s respected ISR 4000 Series, this router combines strong performance, flexible interface options, and integrated security to support mission-critical applications, voice/video services, and cloud resources without compromise.

With powerful routing throughput, the ISR 4451 delivers consistent performance for heavily loaded networks and demanding data environments. Its modular design lets you tailor interfaces and network services to specific deployment needs while supporting future growth.

The router includes enterprise-grade security features—such as an integrated firewall, secure VPN termination, and granular access control—to protect sensitive traffic and remote user sessions. Advanced SD-WAN support ensures optimized WAN performance, dynamic path selection, and simplified management across multiple locations.

Ideal for mid-to-large branch offices and campus edge deployments, the Cisco ISR 4451 offers scalable connectivity and reliable service delivery for modern enterprise networks.

Key Features

• Very high-throughput routing for heavy traffic environments
• Advanced SD-WAN support improves WAN performance
• Integrated firewall & VPN for secure connectivity
• Modular interface support for flexible deployment
• Scalable architecture for future network growth
• Reliable performance for business-critical applications

Specifications

Applications

• Enterprise branch WAN and edge routing
• SD-WAN deployments across distributed sites
• Secure site-to-site VPN networking
• Cloud application access and optimization
• Campus edge connectivity
• Managed service provider backbone deployments

Empower your network with the Cisco ISR 4451 Router. Get high-capacity routing, advanced SD-WAN services, and secure enterprise connectivity for demanding network environments.