Cisco ISR4351-SEC/K9 Service Router ISR4351-X NOT AFFECTED ISR4351SECK9

Description:

The Cisco ISR4351-SEC/K9 Integrated Services Router is used in enterprise branch network infrastructures to provide secure WAN connectivity, routing, and integrated security services. Commonly installed in branch offices, enterprise WAN environments, and secure network edge deployments supporting VPN, firewall, and advanced routing functions. Maintenance teams and system integrators use this router for network expansion, infrastructure upgrades, secure connectivity deployment, or replacement of existing branch routers.

Applications:

The Cisco ISR4351-SEC/K9 router provides secure and scalable network routing for enterprise branch environments requiring integrated security and high-performance WAN connectivity. It supports advanced services including VPN connectivity, firewall protection, application visibility, and traffic management for distributed networks. This router is widely used in enterprise branch offices, financial institutions, government networks, retail infrastructures, and corporate WAN architectures where secure communication and reliable network routing are essential.

Technical Specifications:

• Brand: Cisco
• Manufacturer Part Number (MPN): ISR4351-SEC/K9
• Product Type: Integrated Services Router
• Series: Cisco ISR 4000 Series
• Model: ISR4351
• WAN Interfaces: Multiple WAN interface module support
• Security Features: Integrated VPN, firewall, and security services
• Throughput Performance: Up to 400 Mbps base throughput (expandable with license)
• Expansion Slots: Network Interface Module (NIM) slots and Service Module support
• USB Ports: USB support for storage and configuration
• Rack Mount: Rack-mountable form factor
• Application Support: Secure WAN routing, branch networking, VPN connectivity
• Manufacturer: Cisco Systems

Common Replacements:

• Cisco ISR4331/K9 Integrated Services Router
• Cisco ISR4321/K9 Integrated Services Router
• Cisco ISR4431/K9 Integrated Services Router