Specifications

■
x.y represents the version of the major software release—for example, 1.1.
■
distribution indicates the area for which the software package is
provided—domestic for the United States and Canada and export for worldwide
distribution.
A sample JUNOS software with enhanced services package name is
junos-jsr-9.2R4.1-domestic.tgz.
Recovery Software Packages
Download a recovery software package, also known as an install media package, to
recover a primary compact flash device.
A recovery software package name is in the following format:
package-name-m.nZx-export-cfnnn.gz.
■
package-name is the name of the package—for example, junos-jsr.
■
m.n is the software release, with m representing the major release number—for
example, 8.5.
■
Z indicates the type of software release. For example, R indicates released
software, and B indicates beta-level software.
■
x represents the version of the major software release—for example, 1.
■
export indicates that the recovery software package is the exported worldwide
software package version.
■
cfnnn indicates the size of the target compact flash device in megabytes—for
example, cf256.
A sample JUNOS software with enhanced services recovery package name is
junos-jsr-8.5R1-export-cf256.gz.
Before You Begin
Before upgrading, be sure to back up the currently running and active file system
and configuration so that you can recover to a known, stable environment in case
the upgrade is unsuccessful. To back up the file system, you must have a removable
compact flash disk installed on a J2320 or J2350 Services Router, or a USB drive
installed on any J-series Services Router. The backup device must have a storage
capacity of at least 256 MB.
To back up the file system to the removable compact flash disk, issue the following
command:
user@host> request system snapshot media removable-compact-flash
To back up the file system to the removable USB drive, issue the following command:
user@host> request system snapshot media usb
12 ■ JUNOS Software with Enhanced Services Upgrade and Downgrade Instructions
JUNOS Software with Enhanced Services 9.2 for J-series Services Router Release Notes