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Hardware Installation Guide for the Cisco 4451-X Integrated Services Router
OL-27644-01
Chapter 1 Overview of the Cisco 4451-X Integrated Services Router
Locating the Serial Number, PID, VID and CLEI
mode in Cisco Internet Operating System (IOS) software. For additional information on the UDI or how
to obtain a PAK, see the Cisco Software Activation on Integrated Services Routers document on
Cisco.com.
The UDI has two main components:
• Product ID (PID)
• Serial number (SN)
Labels on Cisco ISR 4451-X
Figure 1-6 shows the location of the labels on the Cisco ISR 4451-Xs.
Figure 1-6 Label Location on the Cisco ISR 4451-X
For Additional Help Locating Labels on the Router
Use the Cisco Product Identification (CPI) tool to find labels on the router. It provides detailed
illustrations and descriptions of where the labels are located on Cisco products. It includes the following
features:
• A search option that allows browsing for models by using a tree-structured product hierarchy
• A search field on the final results page that makes it easier to look up multiple products
• End-of-sale products clearly identified in results lists
The tool streamlines the process of locating serial number labels and identifying products. Serial number
information expedites the entitlement process and is important for access to support services.
Label Description
1Product ID
2 Serial Number
3 PID/VID
4CLEI
302982
2
1
4
3