(NEW) Cisco ISR 4000 Series Routers - ISR 4351-VSEC/K9

Overview

The Cisco ISR 4351-VSEC/K9 is a powerful, high-performance router in Cisco's 4000 Series designed for medium to large branch offices and enterprises that require comprehensive voice, security, and data services. The VSEC bundle includes both Voice (V) and Security (SEC) licenses, enabling the router to support advanced voice services, unified communications, and robust security capabilities such as IPsec VPNs, DMVPN, and FlexVPN. This router delivers 200 Mbps of base throughput, which can be scaled to 400 Mbps with performance licenses. It is also SD-WAN ready, making it ideal for businesses seeking to optimize and secure their WAN infrastructure with the flexibility to scale in the future.

Specs

Model:

• Cisco ISR 4351-VSEC/K9 Integrated Services Router with Voice and Security (VSEC) licenses

WAN Connectivity:

• 3 Integrated 10/100/1000 Ethernet ports (RJ-45)
• 2 Enhanced Service Module (SM-X) slots for feature expansion
• 3 NIM (Network Interface Module) slots for WAN/LAN expansion

Performance:

• Base Throughput: Up to 200 Mbps
• Max Throughput (with performance license): Up to 400 Mbps

Memory:

• Default DRAM: 4 GB (upgradable to 16 GB)
• Flash Memory: 4 GB (expandable to 32 GB)

Security:

• Integrated IPsec VPN, DMVPN, FlexVPN
• Supports Cisco IOS Firewall, URL filtering, Threat Defense
• Unified Threat Defense (UTD) for advanced security features
• Secure Boot, hardware integrity validation, and trust anchor modules

Voice and Unified Communications:

• Integrated voice capabilities with the Voice (V) license
• Supports Cisco Unified Communications Manager (CUCM)
• Optional modules for VoIP and unified communications
• DSP (Digital Signal Processor) support for high-quality voice and video processing

Routing Features:

• Supports IPv4/IPv6, OSPF, BGP, EIGRP, RIP
• Cisco IOS XE operating system for programmability, automation, and SD-WAN
• SD-WAN capable for application-aware routing and intelligent path control

Power:

• Integrated internal power supply (non-redundant)
• Redundant power supply available as an option
• Power over Ethernet (PoE) support with optional modules

Interfaces:

• 3 RJ-45 Ethernet ports for LAN/WAN connectivity
• 3 NIM slots for WAN, LAN, or wireless connectivity
• 2 SM-X slots for additional service modules

Management:

• Managed through CLI, Cisco DNA Center, and web-based tools
• Full support for Cisco DNA and SD-WAN orchestration