DescriptionComponent
Identifies the maintenance release of this package.
•
A maintenance release contains a collection of
bug fixes for a package.
•
The maintenance release version does not have
to be identical for all software packages
operating on the router, but the major and minor
versions of the maintenance release must match
those of the package being updated.
•
A maintenance release does not usually require
a router reboot.
maintenance
SMUs only. Identifies a DDTS
3
number that describes
the problem this SMU addresses.
DDTS is the method used to track known bugs and
the resolutions or workarounds for those issues.
ddts
In Cisco IOS XR Software Release 4.0, the software
packages were reorganized into functionally
well-defined and independently-releasable packages
that support the hardware with the PPC architecture.
These reorganized packages are identified by the -p
in the filename. These packages are not compatible
with packages released prior to Release 4.0. When
upgrading to Release 4.0 or above, special upgrade
instructions must be followed.
p
Identifies images that are compatible with hardware
that uses the x86 architecture. Starting with Cisco
IOS XR Release 4.2, -px releases replace the -p
releases.
px
3
distributed defect tracking system
Copying the PIE File to a Local Storage Device or Network Server
To add an optional package or upgrade or downgrade a package, you must copy the appropriate PIE file to a
local storage device or to a network file server to which the router has access.
If you need to store PIE files on the router, we recommended storing PIE files on the hard disk. Flash disk0:
serves as the boot device for packages that have been added or activated on the system. Flash disk1: is used
as a backup for disk0:.
Cisco ASR 9000 Series Aggregation Services Router System Management Configuration Guide, Release 5.1.x
24
Upgrading and Managing Cisco IOS XR Software
PIE Filenames and Version Numbers
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