Description 

The Cisco ISR4451-X-SEC/K9 is a high-performance Integrated Services Router with built-in advanced security features, designed for large branch and enterprise networks.

 

 

Technical Specifications 

Condition	New/Never Used Surplus
Brand	Cisco
Category	Network Hardware
Part Number	ISR4451-X-SEC/K9
Subcategory	Security Router (Integrated Services Router)
Total Number of Ports	4
Management Port	Yes
Number of Total Expansion Slots	10
Network Technology	10/100/1000Base-T
Ethernet Technology	Gigabit Ethernet
Compatible Rack Unit	2U
Form Factor	Rack-mountable Desktop
Height	3.5"
Width	17.3"
Depth	18.5"
Weight	28.80 lbs

  

 

Information About ISR4451-X-SEC/K9

The Cisco ISR4451-X-SEC/K9 is a next-generation integrated services router (ISR) from the Cisco 4000 Series, specifically optimized for secure and high-performance WAN connectivity in enterprise branch offices. This model includes the SEC (Security) technology package, providing built-in firewall, VPN, and intrusion prevention capabilities to help organizations establish a strong, unified threat defense across distributed networks.

Key Features:

• Product Type: Integrated Services Security Router (ISR 4000 Series)

• Performance:

  • Up to 2 Gbps throughput, scalable with performance licenses

  • Designed for service-rich WAN environments

• Security Capabilities:

  • Stateful firewall, IPsec VPN, SSL VPN, and zone-based firewall

  • Integrated support for Cisco IOS XE Security, Cisco TrustSec, and threat detection

• Interfaces & Ports:

  • 2 Integrated 10/100/1000 Ethernet ports

  • 2 Enhanced Service Module (SM-X) slots

  • 2 Network Interface Module (NIM) slots

  • 1 Integrated Services Card (ISC) slot

• Modular Design:

  • Supports modular WAN and LAN connectivity

  • Expandable with network modules, service modules, and interface cards

• Management & Monitoring:

  • Cisco DNA Center, Cisco Prime, CLI, SNMP, and web-based GUI

• Memory:

  • 4 GB default DRAM, upgradable to 16 GB

  • 8 GB Flash memory, expandable

• High Availability:

  • Dual power supply support (AC/DC)

  • Hot-swappable components

The Cisco ISR4451-X-SEC/K9 is a powerful, modular, and secure router built for future-ready enterprise deployments, offering integrated security, application control, and scalable performance to meet modern WAN and security demands.