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Cisco 4000 Series Integrated Services Routers

Get your branch site ready for digital

Protect your branch site and prepare it for the future with the Cisco 4000 Series ISR digital-ready platform. Simplify day-to-day IT management. Provide a scalable, flexible foundation so you can quickly integrate leading IT initiatives like SD-WAN and edge compute, while meeting the explosive network performance need driven by cloud-based application adoption.

Features and benefits

Predictable performance

High-availability architecture designed for mission-critical branches that delivers predictable performance at maximum speeds, offering modularity to connect from any remote location.

Network services

Deploy key integrated network services for your branch in minutes, virtually or on-premises, without compromising performance.

Simplified management

Configure and monitor your network and enforce business policies through Cisco DNA Center and Cisco SD-WAN. Simplify network automation and turn hours of work into seconds.

Threat protection

Protect your branch site across the LAN and WAN and in the cloud with security integrated into the router. You no longer need a separate security appliance.

Explore the 4000 Series ISR models

The ISR 4000 Series creates a secure, high-performance foundation for branch collaboration, edge compute, and optimized cloud application connectivity.

ISR 4221

  • GE/SFP integrated WAN ports
  • 1.2-Gbps performance
  • 75-Mbps encrypted throughput

ISR 4331

  • GE/SFP integrated WAN ports
  • 2-Gbps+ performance
  • 500-Mbps encrypted throughput

ISR 4431

  • PoE GE/SFP, GE/SFP integrated WAN ports
  • 4-Gbps + performance
  • 900-Mbps encrypted throughput

ISR 4461

  • 10 GE SFP+, PoE GE/SFP, GE/SFP integrated WAN ports
  • 10-Gbps+ performance
  • 7-Gbps encrypted throughput

Cisco DNA software fuels the intent-based network

Simple, flexible software subscription suites help you achieve the latest software-defined WAN innovations and provide centralized management with security, application-aware policies, segmentation, and optimization for cloud connectivity.  


Accelerate your journey today with Cisco Services

Migrate, adopt, deploy, and securely manage your routing solution with ease and confidence.

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