Cisco 4400 Series Integrated Services Routers

Gigabit Service Performance Without Compromise

The Cisco 4451-X ISR revolutionizes delivery of services to high-end branch offices to promote a high-quality application experience. This router provides Gigabit forwarding performance and the broadest set of services available natively on a single-box solution. It offers appliance-level reliability, pay-as-you-grow services without disruption, and simplified operations that reduce expenses.

Video Data Sheet

Video Data Sheet

Learn features and benefits of the Cisco 4451-X Integrated Services Router (ISR). (2:57 min)

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4451-X ISR Named Best of Interop

4451-X ISR Named Best of Interop

Learn about the superior performance that distinguished the Cisco 4451-X ISR at Interop.

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Features and Capabilities

Cisco 4451-X ISR is the new flagship router of the Cisco ISR family. It continues the feature-rich and high-reliability heritage of the ISR family with exceptional performance, services, and simplicity. It includes:

  • A multi-core CPU architecture running Cisco IOS-XE Software that dynamically adapts to the changing needs of branch environments
  • Control data and services plane to deliver application-aware services while maintaining high reliability during peak load
  • Services-aware data plane that simplifies provisioning and configuration, and scales to Gigabit forwarding performance
  • Wide range of wired connectivity options, including T1/E1, T3/E3, and Gigabit Ethernet
  • Built-in services virtualization framework that enables faster feature integration and investment protection

The 4451-X ISR offers:

  • Native service, integration encryption acceleration and firewall
  • Voice and video-capable architecture
  • Call processing
  • Application visibility and control
  • WAN optimization and embedded services

Pay-as-you-grow performance and services allow customers to standardize on a single platform and add capabilities without disruptions or truck rolls. Get exceptional total cost of ownership (TCO) savings and network agility through integration of market-leading security, unified communications, and application services.

Specifications at a Glance

  • Platform forwarding with multiple services of 1-2 Gbps, upgradeable with a feature license that does not require a truck roll
  • Separate control, data, and services resources to help ensure the highest availability and reliable performance
  • Two rack units high and four dual-mode Gigabit Ethernet ports with a four Small Form-factor Pluggable (SFP) option
  • Two single-wide or one double-wide service module slots
  • Three network interface modules (NIM); two interfaces can be combined to a double-wide NIM
  • One onboard Cisco Packet Voice DSP Module (PVDM4) slot; additional PVDM4s are supported through voice NIMs
  • One onboard Cisco Integrated Services Card (ISC) slot
Service Container Fundamentals

Service Container Fundamentals

Increase your network reliability, simplify IT, and speed time to market. (4:35 min)

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Boost Performance with the 4451-X

  • Meircom's review of the 4451-X reveals deployment ease, performance results, and more.
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Additional Resources

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