Cisco 4000 Series User Manual

CHAPTER
1-1
Hardware Installation Guide for the Cisco 4000 Series Integrated Services Router
OL-32185-02
1
Overview of Cisco 4000 Series ISRs
Cisco 4000 Series Integrated Services Routers (ISRs) are modular routers with LAN and WAN
connectivity. They support several interface modules, including Cisco Enhanced Service Modules
(SM-X) and Cisco Network Interface Modules (NIMs).
Cisco 4000 Series ISRs target these applications:
• Enterprise applications—Intended for mid-size aggregation and gateway router that is located in a
regional or large branch office:
– WAN aggregation at Cisco Enterprise core
– Internet gateway
– Branch or regional office aggregation
– Remote access aggregation
• Service provider applications—Intended for high-end Enterprise Branch environments:
– High-end customer premises equipment (CPE) for business-quality Internet access
– Service provider leased line aggregation
– Provider edge (PE) and high-end customer edge (CE) for Layer 2 VPN or Layer 3 VPN services
– Low-end Ethernet aggregation
Cisco 4000 Series ISRs are available in these models:
• Cisco 4461 ISR
• Cisco 4451-X ISR
• Cisco 4431 ISR
• Cisco 4351 ISR
• Cisco 4331 ISR
• Cisco 4321 ISR
• Cisco 4221 ISR
For more information on the features and specifications of Cisco 4000 Series Integrated Services Routers
(ISRs), refer to the Cisco 4000 Series Integrated Services Routers datasheet.
Note Sections in this documentation apply to all models of Cisco 4000 Series ISRs unless a reference to a
specific model is made explicitly.

Cisco 4000 Series Specifications

General

Brand	Cisco
Model	4000 Series
Category	Network Router
Language	English