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Cisco 4000 Series Integrated Services Routers (ISR) revolutionize WAN communications in the enterprise branch. With built-in intelligent network capabilities and convergence, the routers address the growing need for application-aware networking in distributed enterprise sites. The Cisco 4000 Series contains six platforms: 4451, 4431, 4351, 4331, 4321, and 4221 ISR.

Previous-generation Cisco 1900 to 3900 Series Cisco Integrated Services Routers provide fast, scalable delivery of mission-critical business applications.

Technical Specifications

Features of current and previous-generation Integrated Services Routers included.

4000 Series Integrated Services Routers

  • Software-defined WAN (SD-WAN)
  • Virtualization-ready
  • Network automation and services
  • Branch threat defense

1900 to 3900 Series Integrated Services Routers (Gen 2)

  • Up to 5x performance increase over previous-generation routers
  • Secure collaboration and video networks: Advanced VPN and Cisco IOS Firewall features deliver secure, high-quality voice and video and protect against call eavesdropping, toll fraud, and denial of service (DoS)
  • Secure mobility with 802.11n wireless integration

1000 Series Integrated Services Routers

  • Next-generation connectivity with SD-WAN
  • Open and programmable IOS XE
  • Comprehensive integrated security

800 Series Integrated Services Routers

  • Integrated switching and routing
  • WAN redundancy with 3G, 4G, and LTE
  • Hardened and non-hardened form factors