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Cisco ASR 1000 Series Aggregation Services Routers Software Configuration Guide
OL-16506-15
1
Software Packaging and Architecture
The Cisco ASR 1000 Series Aggregation Services Routers introduce a new software packaging model
and architecture.
This chapter discusses this new packaging and architecture and contains the following sections:
• Software Packaging on the Cisco ASR 1000 Series Routers, page 1-1
• Processes Overview, page 1-6
• File Systems on the Cisco ASR 1000 Series Router, page 1-8
• Autogenerated File Directories and Files, page 1-9
Software Packaging on the Cisco ASR 1000 Series Routers
This section covers the following topics:
• ASR 1000 Series Routers Software Overview, page 1-1
• Consolidated Packages, page 1-2
• Individual Software SubPackages Within a Consolidated Package, page 1-3
• Optional Software SubPackages Outside of Consolidated Packages, page 1-4
• Provisioning Files, page 1-4
• ROMmon Image, page 1-5
• File to Upgrade Field Programmable Hardware Devices, page 1-5
ASR 1000 Series Routers Software Overview
The Cisco ASR 1000 Series Routers run using Cisco IOS XE software. Cisco IOS XE is released using
consolidated packages and optional subpackages.
Each consolidated package contains a collection of software subpackages. Each software subpackage is
an individual software file that controls a different element or elements of the Cisco ASR 1000 Series
Router. Each individual software subpackage can be upgraded individually, or all software subpackages
for a specific consolidated package can be upgraded as part of a complete consolidated package upgrade.
Importantly, IOS (the RPIOS subpackage) is considered one of the seven individual subpackages that
makes up a complete consolidated package. For additional information on individual software
subpackages, see the “Consolidated Packages” section on page 1-2.