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3-7
Cisco IOS XR Getting Started Guide
OL-10957-02
Chapter 3 Bringing Up the Cisco IOS XR Software on a Multishelf System
Information About Bringing Up a Multishelf System
Figure 3-3 Location of the Serial Number on a Line Card Chassis
Caution Always assign a rack number to each chassis in the system before the chassis is booted. If a chassis is
not assigned a rack number, or if the rack number conflicts with an existing chassis, it may not be
recognized by the system or cause other operational difficulties.
If you cannot locate or read the chassis serial number on a chassis, you can view the serial number stored
in software as described in the following documents:
• To display the chassis serial numbers in administration EXEC mode, see Cisco IOS XR System
Management Configuration Guide, Release 3.4.
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