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Cisco ASR 1000 Series Aggregation Services Routers Software Configuration Guide
OL-16506-15
Chapter 1 Software Packaging and Architecture
Software Packaging on the Cisco ASR 1000 Series Routers
information on provisioning files, see the “Provisioning Files” section on page 1-4.
• If you need to install optional subpackages, then you must boot the router using the individual
subpackage provisioning file method.
Individual Software SubPackages Within a Consolidated Package
provides an overview of the Cisco ASR 1000 Series Routers subpackages and the purpose of each
individual subpackage. Every consolidated package will have all of these individual subpackages. To see
additional information about each individual subpackages in a particular Cisco IOS XE release, see
Cisco IOS XE Release Notes for that release.
Important Notes About Individual SubPackages
The important information about individual subpackage include:
• Individual subpackages cannot be downloaded from Cisco.com individually. To get these individual
subpackages, users must download a consolidated package and then extract the individual
subpackages from the consolidated package using the command-line interface.
• If the router is being run using individual subpackages instead of being run using a complete
consolidated package, the router must be booted using a provisioning file. A provisioning file is
included in all consolidated packages and is extracted from the image along with the individual
subpackages whenever individual subpackages are extracted. For additional information on
provisioning files, see the “Provisioning Files” section on page 1-4.
Optional Software SubPackages Outside of Consolidated Packages
Beginning in Cisco IOS XE Release 2.4, the ASR 1000 Series Routers support a new type of
subpackage—this is an optional software subpackage that is available as a separate, external package
that is downloaded and installed along with the other required subpackages.
Table 1-1 Individual SubPackages
SubPackage Purpose
RPBase Provides the operating system software for the Route Processor.
RPControl Controls the control plane processes that interface between the IOS
process and the rest of the platform.
RPAccess Exports processing of restricted components, such as Secure Socket
Layer (SSL), Secure Shell (SSH), and other security features.
RPIOS Provides the Cisco IOS kernel, which is where IOS features are stored
and run.
Each consolidated package has a different RPIOS.
ESPBase Provides the ESP operating system and control processes, and the
ESP software.
SIPBase Controls the SIP operating system and control processes.
SIPSPA Provides the SPA driver and Field Programmable Device (FPD)
images.