Cisco 4000 Series Integrated Services Routers

Build your digital branch

The Cisco 4000 Series Integrated Services Routers provide routing, hosting, security, switching, and application visibility—all in a single, trustworthy platform. Build your digital branch to be secure, fast, and scalable. Quickly adopt advanced technologies—such as Catalyst SD-WAN, enhanced application visibility, and edge computing—while meeting the heavy network-performance demands driven by cloud applications and digital transformation.


Read customer reviews

See more to solve more with Cisco Catalyst SD-WAN Analytics

Extend your network visibility, rapidly pinpoint issues, get faster resolution, and actively manage the performance of what matters.

Features and benefits

Application visibility

Extend your visibility across the internet, the cloud, and SaaS. You can pinpoint application issues and gain actionable insights with Cisco ThousandEyes integration on selected ISR 4000 Series models.

Network services

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

Simplified management

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

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 ISR 4000 Series models

Find the best router for your needs. Compare the models below, or try the Cisco Enterprise Router Selector.

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

Deploy Catalyst SD-WAN your way with Cisco DNA software

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.

Deliver exceptional routing performance

Build a resilient, highly secure routing infrastructure. Help enable high availability and less risk with services for routing solutions.

For Partners

Are you a Cisco partner?  Log in to see additional resources.

Looking for a solution from a Cisco partner? Connect with our partner ecosystem.

Customer reviews