6-11
Cisco CRS-1 Series Carrier Routing System Getting Started Guide
Chapter 6 Managing Cisco IOS XR Software Packages
Overview of Software Packages
Standard PIE Filenames and Version Numbers
There are two formats for the standard PIE filenames, one for composite package PIEs and one for
single-package PIEs. A composite package file is a nonSMU PIE file that contains multiple packages
(SMUs have a different filename format). The format for a composite package filename is:
comp-platform-composite_name.pie-major.minor.maintenance
The “comp” prefix indicates that the file is a composite of multiple packages. The other filename
components are described in Table 6-3.
Table 6-3 Composite and Single Package Filename Components
Component Description
platform Identifies the platform for which the software
package is designed. For packages designed for
CRS-1 Routers, the platform designation is “hfr.”
composite_name Identifies a specific composite package.
• The only composite PIE file at this time is
named “mini” and includes all the packages
described in the “Cisco IOS XR Unicast
Routing Core Bundle” section on page 6-6.
package_type Identifies the type of package the file supports
(package-type applies only to single package
PIEs). Package types include:
• fwdg for the Forwarding package
• lc for the Linecard package
• mcast for the Multicast package
• mgbl for the Manageability package
• mpls for the MPLS package
• k9sec for the Security package
• rout for the Routing package
major Identifies the major release of this package.
• A major release occurs when there is a major
architectural change to the product (for
example, a major new capability is
introduced).
• All packages operating on the router must be
at the same major release level.
• A major release is the least frequent release
and may require a router reboot.
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