The Cisco 4451-X Integrated Services Router (ISR) is a modular router with LAN and WAN connectivity and supports several interface modules, including Cisco Service Modules (SMs), or Enhanced Service Modules (SM-X), and Network Interface Modules (NIMs). The router has slots that support the interface modules and modular Solid State Drives (SSDs).
The Cisco ISR 4451-Xs target the following applications:
• Enterprise applications—Intended as the mid-size aggregation and gateway router typically residing in a regional or large branch office:
The Cisco ISR 4451-Xs provide the following capabilities:
•Three single-wide NIM slots that may combined into one double wide (NIM1 and NIM2) and one single wide NIM slot (NIM3). The slots can also support a modular or optional SSD.
•1 10/100/1000 RJ-45 Ethernet port for system managements (labeled "GE 0" with "MGMT" on the left of the connector)
•One 30W PoE daughter card for two of the front Gigabit Ethernet ports which can be replaced (labeled GE 0/0/0 and 0/0/1)