Juniper JUNOS SOFTWARE 10.2 - SOFTWARE INSTALLATION AND UPGRADE GUIDE 4-28-2010 Upgrade Manual page 58

JUNOS Release 10.2 Software Installation and Upgrade Guide
Installing Software on the Backup Routing Engine
Once the router is ready, you first install the software on the backup Routing Engine.
This enables the primary Routing Engine to continue operations, minimizing the
disruption to your network.
1.
2.
3.
NOTE: You must reboot the device to load the new installation of the JUNOS Software
on the router.
To abort the installation, do not reboot your device, instead, finish the installation
and then issue the
chance to stop the installation.
4.
5.
36
Installing Software on the Backup Routing Engine
Log in to the backup Routing Engine s console:
For more information on logging in to the Routing Engine through the console
port, see the administration manual for your particular router.
Install the new software package using the
user@host> request system software add validate
/var/tmp/jinstall-9.2R1.8 domestic-signed.tgz
For more information on the
JUNOS System Basics and Services Command Reference.
Reboot the router to start the new software using the
command:
user@host> request system reboot
Reboot the system? [yes, no] (no) yes
request system software delete jinstall
All the software is loaded when you reboot the device. Installation can take
between 5 and 10 minutes. The router then reboots from the boot device on
which the software was just installed. When the reboot is complete, the router
displays the login prompt.
While the software is being upgraded, the Routing Engine on which you are
performing the installation is not routing traffic.
Log in and issue the show version
installed.
(Optional) Add the package using the
jweb
Before you can add this package, you must first download the software as you
did the installation package. For more information on downloading the
package, see "Downloading Software" on page 30.
The jweb installation module adds a router management graphical user interface
that you can use to view and configure your router. For more information about
the package, see "Installation Modules" on page 7.
jweb
request system software add
request system software add
request system reboot
command. This is your last
command to verify the version of the software
request system software add
command:
command, see the
command.
jweb