The Cisco 4000 Family Integrated Services Router (ISR) revolutionizes WAN communications in the enterprise branch. With new levels of built-in intelligent network capabilities and convergence, it specifically addresses the growing need for application-aware networking in distributed enterprise sites. These locations tend to have lean IT resources. But they often also have a growing need for direct communication with both private data centers and public clouds across diverse links, including Multiprotocol Label Switching (MPLS) VPNs and the Internet. 

Cisco 4000 Series Integrated Services Router Family

The Cisco 4000 Series Integrated Services Router (ISR) family revolutionizes WAN communications in the enterprise branch. With new levels of built-in WAN intelligence and convergence, it specifically addresses the growing need for application-aware networking in distributed enterprise sites.

You can order the platform as a base system or as a bundled system for security, unified communications, or application services. This ordering guide focuses on base system configurations and options, but most of the elements are applicable to bundle ordering as well. For a detailed list of advanced technology bundles, please refer to the section, “Ordering Bundled Systems for Cisco 4000 Series ISRs,” of this ordering guide.

Ordering the Cisco 4000 Series ISR

The Cisco 4000 Series ISR family offers the highest performance within the ISR portfolio. The family contains the Cisco 4451, 4431, 4351, 4331, and 4321 routers, which differ primarily in performance capabilities and in the number of Network Interface Module (NIM) and Enhanced Service Module (SM-X) slots supported.

Table 1 lists the part numbers for the Cisco 4000 Series ISR family.