ISR4451-XK9 Cisco ISR4451-X/K9 4451-X ISR Modular Gigabit Ethernet Router
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ISR4451-X/K9
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overview
specifications
faqs
reviews
ISR4451-XK9 Overview
CISCO - 4451-x Integrated Services Router (ISR4451-X/K9).
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Specifications
Overview
| Condition | Refurbished |
|---|---|
| Brand | Cisco |
| Stock | In Stock |
Key Features
| Device Type | Router |
|---|---|
| Enclosure Type | Desktop, Rack-mountable - Modular - 2u |
| Connectivity Technology | Wired |
| Data Link Protocol | Ethernet, Fast Ethernet, Gigabit Ethernet |
| Network / Transport Protocol | Ipsec, Pppoe |
| Remote Management Protocol | Snmp, Rmon |
| Features | Syslog Support |
| Compliant Standards | Ieee 802.3 , Cispr 22 Class A, Cispr 24, En55024, En55022 Class A, En50082-1, As/nzs 60950-1, As/nz 3548 Class A, Ices-003 Class A, Fcc Cfr47 Part 15, En300-386, Ul 60950-1, Iec 60950-1, En 60950-1, Bsmi Cns 13438, Can/csa C22.2 No. 60950-1, Vcci V-3, En 61000, Emi, Kn22, Kn24 |
| Ram | 4 Gb (installed) / 16 Gb (max) |
| Flash Memory | 8 Gb (installed) / 32 Gb (max) |
| Status Indicators | Link Activity, Power |
Expansion / Connectivity
| Interfaces | 4 X 10base-t/100base-tx/1000base-t - Rj-45 Management : 1 X Console - Rj-45 Management : 1 X Console - Mini-usb Type B Serial : 2 X Auxiliary - Rj-45 Usb 2.0 : 2 X 4 Pin Usb Type A 4 X Sfp (mini-gbic) |
|---|---|
| Expansion Slots | 3 (total) / 3 (free) X Ehwic 1 (total) / 1 (free) X Pvdm 2 (total) / 1 (free) X Compactflash 1 (total) / 1 (free) X Isc 2 (total) / 2 (free) X Service Module (sm) |
Power
| Power Device | Internal Power Supply |
|---|---|
| Voltage Required | Ac 120/230 V ( 47/63 Hz ) |
Frequently Asked Questions
What is the primary throughput capacity of the Cisco ISR4451-X/K9 router? +
The Cisco ISR4451-X/K9 is designed for high-performance enterprise edge environments. It offers a default aggregate throughput of 1 Gbps, which is highly scalable. Through Cisco’s performance-on-demand licensing model, you can increase this capacity to 2 Gbps, providing the flexibility needed to handle growing bandwidth requirements and data-intensive applications without needing a hardware replacement.
How does the modular architecture of the ISR4451-X benefit enterprise deployments? +
The ISR4451-X features three Network Interface Module (NIM) slots and two Enhanced Service Module (SM-X) slots. This modularity allows for significant investment protection, as you can add diverse interface options—such as fiber, copper, or high-density WAN connectivity—as your network topology evolves. It is an ideal platform for businesses looking to integrate voice, video, and data services into a single unified branch-office device.
Does the Cisco ISR4451-X/K9 support redundant power supplies? +
Yes, this platform is built for high availability. It supports an optional redundant internal power supply unit. By installing a second power supply, you ensure continuous operation during potential power source failures, which is a critical requirement for maintaining uptime in mission-critical enterprise branch locations and regional offices.
Can I run virtualized network functions directly on the ISR4451-X? +
The ISR4451-X supports Cisco’s Integrated Services Virtualization, allowing you to host virtual machines or containers directly on the router hardware. This capability enables you to consolidate branch office infrastructure by running guest operating systems and network services like WAN optimization or security appliances, effectively reducing your physical footprint and simplifying branch site management.
What security features are integrated into the ISR4451-X/K9? +
Security is built into the core of the Cisco ISR 4000 series. The ISR4451-X/K9 supports advanced features such as hardware-accelerated VPN encryption, zone-based firewalls, and Cisco Trust Anchor technologies. These features work together to provide robust protection against evolving threats while ensuring that encrypted traffic does not compromise overall router performance or throughput.
How is the ISR4451-X managed within a modern software-defined network? +
This router is fully compatible with Cisco SD-WAN and DNA Center orchestration platforms. Management can be handled through traditional CLI, SNMP, or via modern centralized controllers. This allows for automated provisioning, centralized policy management, and deep visibility into network traffic, making it easier for administrators to manage and troubleshoot complex branch connectivity from a single pane of glass.
Is the ISR4451-X/K9 suitable for high-density voice deployments? +
Absolutely. The ISR4451-X is well-suited for voice-heavy environments, as it offers dedicated digital signal processor (DSP) resources via the SM-X slots. This ensures high-quality voice transcoding and conferencing capabilities. By offloading these intensive tasks to dedicated hardware, the router maintains optimal data routing performance while providing reliable telephony services for enterprise branch users.
What is the form factor and mounting requirement for the ISR4451-X? +
The Cisco ISR4451-X/K9 is a 2-rack-unit (2RU) device designed for standard 19-inch rack mounting. Its compact form factor is specifically engineered for easy installation in standard enterprise server cabinets or branch telecom closets. It includes the necessary hardware for secure rack mounting to ensure stability and proper airflow management during operation.
How can I obtain a bulk quote for multiple Cisco ISR4451-X routers? +
For organizations looking to deploy the Cisco ISR4451-X/K9 across multiple locations, BuyRouterSwitch.com offers specialized bulk pricing. Simply contact our sales team through the Request a Quote form or via email with your quantities and project requirements. We work closely with our supply partners to provide competitive pricing and efficient sourcing solutions for your large-scale network infrastructure projects.
Why should I choose BuyRouterSwitch.com for my Cisco hardware procurement? +
BuyRouterSwitch.com is a trusted source for authentic enterprise-grade networking equipment. We specialize in providing verified, genuine Cisco hardware at aggressive price points. Our streamlined procurement process ensures that you receive your gear quickly and securely. By choosing us, you are partnering with an experienced provider dedicated to simplifying the complex process of sourcing high-end enterprise technology for your business.
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