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When the
up to
are on the router s CompactFlash card, and the
are on the router s hard disk. When the backup is completed, the current and backup
software installations are identical.
To copy the files to the router s hard disk, use the following command:
Backing Up the Current Installation (J Series Routers)
You should back up the current installation so that you can return to the current
software installation. In a dual Routing Engine system, you need to back up both
Routing Engines. This section covers the following:
The installation process using the installation package (
files on the router except the
up your current configuration in case you need to return to the current software
installation after running the installation program.
These instructions offer the minimum steps required to create a backup during the
installation process. For a complete description of the backup process on the J Series
routers, see the J Series Services Router Administration Guide and the JUNOS Software
Systems Basics Configuration Guide.
To back up the JUNOS Software on the J Series routers:
1.
NOTE: Even when attached to a J Series router, the USB memory device is not listed
as a storage device in the
the installed USB memory device on the J-Web interface s system monitor screen.
2.
Installing the Software Package on a Router with a Single Routing Engine
To upgrade the router software, follow these steps:
1.
request system snapshot
/altroot
, and
/config
is backed up to
user@host> request system snapshot
Attach an external memory device to the router.
show system storage
Issue the
request system snapshot media usb
The current software installation and configuration are saved on the external
USB storage device.
Install the new software package using the
user@host> request system software add /var/tmp/installation-package
is the name of the installation package; for example
installation-package
jinstall-9.2R1.8 domestic-signed.tgz
For more information about the
JUNOS System Basics and Services Command Reference.
Chapter 4: Completing a Standard or Change Category Installation
command is issued, the
/altconfig
. The
/altroot
junos-jsr*
and SSH files. Therefore, you should back
juniper.conf
CLI command output. You can view
command.
request system software add
request system software add
Backing Up the Current Installation (J Series Routers)
file system is backed
/root
/root
and
/config
file systems
and
file systems
/altconfig
) removes all stored
command:
command, see the
33
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