Cisco ISR4351-VSEC/K9 UC Service Router ISR4351-X NOT AFFECTED ISR4351VSECK9

Description:

The Cisco ISR4351-VSEC/K9 Integrated Services Router is used in enterprise networking systems to provide secure routing, unified communications support, and advanced security services for branch and campus networks. Commonly installed in corporate branch offices, financial institutions, healthcare facilities, and distributed enterprise environments requiring reliable WAN connectivity and voice or collaboration services. Network administrators and system integrators use this router for infrastructure deployment, network expansion, security integration, and replacement of legacy Cisco ISR platforms.

Applications:

The Cisco ISR4351-VSEC/K9 router is widely deployed in enterprise branch networks where secure WAN connectivity, voice services, and integrated security features are required. It is commonly used in corporate offices, government facilities, retail locations, and healthcare environments to support secure internet access, VPN connectivity, unified communications systems, and reliable communication between distributed network sites.

Technical Specifications:

• Manufacturer: Cisco Systems
• Manufacturer Part Number: ISR4351-VSEC/K9
• Product Series: Cisco ISR 4000 Series
• Product Type: Integrated Services Router
• Forwarding Performance: Up to 400 Mbps to 1 Gbps throughput (license dependent)
• Processor Architecture: Multi-core CPU
• Memory: Up to 16 GB DRAM supported
• Flash Storage: Up to 8 GB internal flash
• Network Interfaces: Multiple Gigabit Ethernet ports
• Security Package: VSEC (Voice and Security) license package
• Routing Protocols: BGP, OSPF, EIGRP, IS-IS, RIP
• Security Features: Integrated firewall, IPSec VPN, threat defense capabilities
• Operating System: Cisco IOS XE
• Management Interfaces: CLI, SNMP, NetFlow, web-based management
• Form Factor: Rack-mountable enterprise router chassis

Common Replacements:

• Cisco ISR4331/K9 Integrated Services Router
• Cisco ISR4451-X/K9 Integrated Services Router
• Cisco C8300-1N1S-6T Catalyst Edge Router