Cisco ASR 9000 Series User Configuration Manual page 4

Contents
Upgrading and Managing Cisco IOS XR Software
C H A P T E R 4
Cisco ASR 9000 Series Aggregation Services Router System Management Configuration Guide, Release 5.1.x
iv
Other SDR Users
16
Designated Shelf Controller (DSC)
Default Configuration of the Router
Cisco IOS XR Software Package Management
Additional References
17
Overview of Cisco IOS XR Software Packages
Package Installation Envelopes
Summary of Cisco IOS XR Software Packages
Packages in the Cisco IOS XR Unicast Routing Core Bundle
Software Maintenance Upgrades
PIE Filenames and Version Numbers
Filename Component Description
Copying the PIE File to a Local Storage Device or Network Server
Information About Package Management
Summary of Package Management
Adding Packages
25
Verifying Package Details
Activating Packages
Activating Multiple Packages or SMUs
Activating All Packages Added in a Specific Operation
Adding and Activating a Package with a Single Command
Upgrading and Downgrading Packages
Committing the Active Software Set
Rolling Back to a Previous Installation Operation
Multiple Disks Support during Installations
Restrictions
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Deactivation of fully superseded SMUs
Support for the Ignore Package Presence Check Option
Upgrading Packages
30
Downgrading Packages
Impact of Package Version Changes
Impact of Package Activation and Deactivation
Delaying the Return of the CLI Prompt
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