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CHAPTER 23
Configuration Management Overview
Configuration Files—Overview
Understanding Configuration Files for EX Series Switches
Related
Documentation
Copyright © 2010, Juniper Networks, Inc.
Configuration Files—Overview on page 397
EX Series Switches Default Configuration on page 401
Understanding Configuration Files for EX Series Switches on page 397
Configuration Files Terms on page 398
Understanding Automatic Refreshing of Scripts on EX Series Switches on page 399
Understanding Autoinstallation of Configuration Files on EX Series Switches on page 399
A configuration file stores the complete configuration of a switch. The current
configuration of a switch is called the active configuration. You can alter this current
configuration and you can also return to a previous configuration or to a rescue
configuration. For more information, see "Configuration Files Terms" on page 398.
Juniper Networks Junos operating system (Junos OS) saves the 50 most recently
committed configuration files on the switch so that you can return to a previous
configuration. The configuration files are named:
—The current active configuration.
juniper.conf.gz
juniper.conf.1.gz
to
juniper.conf.49.gz
To make changes to the configuration file, you have to work in the configuration mode
in the CLI or use the configuration tools in the J-Web interface. When making changes
to a configuration file, you are viewing and changing the candidate configuration file. The
candidate configuration allows you to make configuration changes without causing
operational changes to the active configuration or causing potential damage to your
current network operations. Once you commit the changes made to the candidate
configuration, the system updates the active configuration.
Managing Configuration Files Through the Configuration History (J-Web Procedure)
on page 424
Uploading a Configuration File (CLI Procedure) on page 422
Uploading a Configuration File (J-Web Procedure) on page 423
—Rollback configurations.
397
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