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ISR4351-AX/K9 Cisco Router 3 Ports Gigabit Ethernet 10 Slots

ISR4351-AX/K9
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Brief Overview of ISR4351-AX/K9

Cisco ISR4351-AX/K9 3 Ports Router 10 Slots Gigabit Ethernet. Factory-Sealed New in Original Box (FSB) with 1 year replacement warranty

$1,061.10
$786.00
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SKU/MPNISR4351-AX/K9Availability✅ In StockProcessing TimeUsually ships same day ManufacturerCisco Product/Item ConditionFactory-Sealed New Retail in Original Box (FSB) ServerOrbit Replacement Warranty1 Year Warranty
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Description

Cisco 3 Ports 10 Slots Router Ethernet

The Cisco ISR4351-AX/K9 is a high-performance networking solution designed to deliver reliable connectivity, scalability, and advanced modularity for enterprise environments.

General Information

  • Brand: Cisco
  • Model Number: ISR4351-AX/K9
  • Category: Enterprise Router

Technical Specifications

Performance Capabilities

  • Supports aggregate throughput ranging from 200 Mbps up to 400 Mbps.
  • Optimized for demanding business applications and secure data transfer.

Physical Interfaces

  • 3 x RJ-45 Gigabit Ethernet ports (10/100/1000 Mbps).
  • 3 x SFP-based ports for flexible fiber connectivity.

Modularity & Expansion Options

  • 3 NIM (Network Interface Module) slots for versatile upgrades.
  • 2 SM-X (Enhanced Service Module) slots for advanced services.
  • 1 onboard ISC slot for integrated scalability.

Memory & Storage

  • DRAM: 4 GB default, expandable up to 16 GB.
  • Flash Storage: 4 GB default, expandable up to 16 GB.

Form Factor

  • Designed as a 2 Rack Unit (2RU) appliance for efficient data center deployment.

Cisco ISR4351-AX/K9 3 Ports 10 Slots Router Ethernet Overview

The Cisco ISR4351-AX/K9 router is part of Cisco's renowned Integrated Services Router (ISR) 4000 Series, designed to deliver high-performance networking capabilities for enterprise environments. Featuring three integrated ports and ten expansion slots, this router offers unparalleled flexibility for scaling network operations, handling heavy data traffic, and supporting advanced security protocols. Its Gigabit Ethernet capabilities ensure fast, reliable, and efficient communication across multiple devices, making it ideal for medium to large businesses looking to enhance network performance without compromising on security or manageability.

Advanced Networking Capabilities

Integrated Gigabit Ethernet Ports

The ISR4351-AX/K9 comes with three high-speed Gigabit Ethernet ports, each engineered to support demanding workloads, high-volume data transfers, and seamless connectivity across office networks. These ports allow businesses to establish multiple network segments, improve redundancy, and optimize traffic management for critical applications. By leveraging the built-in Ethernet interfaces, enterprises can reduce latency and increase overall throughput, which is essential for real-time communications, cloud access, and data-intensive operations.

Expansion Slot Flexibility

With ten available expansion slots, the Cisco ISR4351-AX/K9 provides significant scalability to meet evolving network requirements. These slots support various modules and interface cards, allowing organizations to integrate additional Ethernet ports, WAN interfaces, or specialized network modules. This flexibility ensures that as the business grows or as networking needs change, the router can adapt without requiring a complete system overhaul. The modular design also simplifies upgrades and maintenance, minimizing downtime while enhancing network resilience.

High Availability and Redundancy

To ensure continuous network uptime, the Cisco ISR4351-AX/K9 is designed with high availability in mind. The router supports hardware redundancy options and seamless failover mechanisms, allowing critical network services to remain operational even during component failures. Coupled with its modular architecture, administrators can replace or upgrade components without interrupting network traffic. This level of reliability is essential for organizations that require consistent connectivity for mission-critical applications, VoIP communications, and cloud-based services.

Key Optimization and Routing Intelligence

Integrated Services and Application Support

The Cisco ISR4351-AX/K9 is engineered to handle a variety of integrated services, including application-aware routing, WAN optimization, and advanced QoS management. These capabilities allow the router to prioritize critical traffic, reduce latency, and improve overall network efficiency. By supporting application visibility and control, businesses can ensure that essential services such as video conferencing, ERP systems, and SaaS applications function seamlessly across the network. Additionally, the router’s ability to manage complex routing protocols, including OSPF, EIGRP, and BGP, ensures optimal path selection and minimal disruption to network performance.

Scalable Throughput for Growing Enterprises

With multi-gigabit throughput capabilities, the ISR4351-AX/K9 is suitable for enterprises experiencing rapid growth and increasing network demands. Its hardware-accelerated forwarding engine allows for high-speed packet processing, enabling organizations to deploy bandwidth-intensive applications without bottlenecks. The router’s scalability also accommodates future-proofing strategies, as businesses can expand network capacity by adding new interface modules or upgrading existing components. This ensures that the network infrastructure can evolve alongside business requirements while maintaining peak performance.

Management and Deployment Flexibility

Centralized Network Management

Administrators can leverage Cisco’s comprehensive management tools to monitor and configure the ISR4351-AX/K9 efficiently. The router supports centralized network management platforms, enabling IT teams to implement policies, track performance metrics, and perform diagnostics from a single interface. Automated monitoring and reporting simplify maintenance tasks, reduce human error, and provide actionable insights into network health. These features help streamline operations, improve response times to network issues, and maintain service-level agreements.

Compliance and Certification

As a Cisco-certified product, the ISR4351-AX/K9 meets rigorous industry standards for networking, security, and interoperability. Compliance with ISO, IEC, and FCC guidelines ensures that the router can be deployed in enterprise, commercial, and regulated environments with confidence. These certifications validate the router’s performance, reliability, and security features, providing businesses with a trusted solution for mission-critical network operations.

Data Center Integration

In data center environments, the ISR4351-AX/K9 can function as an aggregation or edge router, managing traffic between internal servers and external networks. Its modular expansion slots allow integration with high-capacity Ethernet modules, ensuring the network can handle significant data volumes. The router’s reliability features, including redundant power supplies and failover mechanisms, make it suitable for supporting mission-critical applications and minimizing downtime.

Cloud and Hybrid Networking

With growing adoption of cloud services, the Cisco ISR4351-AX/K9 provides a secure and high-performance gateway for hybrid networks. Enterprises can leverage its advanced security protocols and application-aware routing to connect on-premises infrastructure with cloud platforms seamlessly. This capability ensures consistent performance for SaaS applications, virtual desktops, and cloud-hosted resources, enabling businesses to scale their IT operations while maintaining security and efficiency.

Integrated Network Services

The router’s integrated network services include voice, video, and application optimization capabilities, allowing enterprises to consolidate multiple services onto a single platform. These features reduce the need for additional hardware, lower operational costs, and simplify network management. The ISR4351-AX/K9’s support for Cisco Unified Communications, WAN optimization, and secure remote access ensures that organizations can deliver reliable, high-quality services to employees and clients across distributed locations.

Features
Product/Item Condition:
Factory-Sealed New Retail in Original Box (FSB)
ServerOrbit Replacement Warranty:
1 Year Warranty