Juniper JUNOS SOFTWARE 10.2 - SOFTWARE INSTALLATION AND UPGRADE GUIDE 4-28-2010 Upgrade Manual page 62

JUNOS Release 10.2 Software Installation and Upgrade Guide
To upgrade an individual JUNOS Software package, follow these steps:
1.
NOTE: We recommend that you upgrade all individual software packages using an
out-of-band connection from the console or
connections can be lost during the upgrade process. On a TX Matrix Plus router and
the T1600 routers in a routing matrix, the management Ethernet interface is
2.
NOTE: After you issue the
the previous version of the software, because the running copy and the backup copy
of the software are identical.
3.
4.
40
Upgrading Individual Software Packages
Download the software packages you need from the Juniper Networks Support
Web site at
http://www.juniper.net/support/
Version or the Worldwide Version.
To download the software packages, you must have a service contract and an
access account. If you need help obtaining an account, complete the registration
form at the Juniper Networks Web site:
https://www.juniper.net/registration/Register.jsp
Back up the currently running and active file system so that you can recover to
a known, stable environment in case something goes wrong with the upgrade:
user@host> request system snapshot
The root file system is backed up to
The root and file systems are on the router s CompactFlash card, and the
/config
/altroot and /altconfig file systems are on the router s hard disk.
request system snapshot
If you are copying multiple software packages to the router, copy them to the
directory on the hard disk:
/var/tmp
user@host> file copy ftp://username :prompt@ftp.hostname
.net/filename/var/tmp/filename
Add the new software package:
user@host> request system software add/var/tmp/ installation package validate
is the full URL to the file.
installation-package
The system might display the following message:
pkg_delete: couldn t entirely delete package
This message indicates that someone manually deleted or changed an item that
was in a package. You do not need to take any action; the package is still properly
deleted.
If you are upgrading more than one package at the same time, add
If you are using this procedure to upgrade all packages at once, add them in the
following order:
. Choose either the Canada and U.S.
.
interface, because in-band
fxp0
/altroot , and /config is backed up to
command, you cannot return to
em0 .
/altconfig .
first.
jbase