Support Support Downloads Knowledge Base Juniper Support Portal Community

Knowledge Base

Search our Knowledge Base sites to find answers to your questions.

Ask All Knowledge Base Sites All Knowledge Base Sites JunosE Defect (KA)Knowledge BaseSecurity AdvisoriesTechnical BulletinsTechnotes Sign in to display secure content and recently viewed articles

Upgrading Firmware via a TFTP Server From Telnet SSH or Console



Article ID: KB4717 KB Last Updated: 09 Jun 2010Version: 5.0
Upgrading Firmware via a TFTP Server From Telnet SSH or Console


Note: This article applies to ScreenOS 4.0 and higher.

To upgrade the firmware of your NetScreen via a TFTP server from Telnet, SSH, or console, perform the following steps:

Note: You will need to download the firmware update from the Web. For more information on downloading firmware updates from the Web, go to Downloading NetScreen Firmware Updates from the Web.

Step one: Connect to your NetScreen via Telnet, SSH, or console.

Note: For this example, we chose to connect to a NetScreen-5XT via Telnet.

Step two: From the prompt, enter save software from tftp upgrade1.0 to flash (where is the TFTP server containing the firmware upgrade, and upgrade1.0 is the name of the file), and then press ENTER.

Image of step two

Step three: Upon completion of the TFTP transfer, enter reset, and then press ENTER.

Note: Resetting the NetScreen allows the upgrade to load.

Image of step three and four

Step four: Enter y to confirm reset, and then press ENTER.

Comment on this article > Affected Products Browse the Knowledge Base for more articles related to these product categories. Select a category to begin.

Getting Up and Running with Junos

Getting Up and Running with Junos Security Alerts and Vulnerabilities Product Alerts and Software Release Notices Problem Report (PR) Search Tool EOL Notices and Bulletins JTAC User Guide Customer Care User Guide Pathfinder SRX High Availability Configurator SRX VPN Configurator Training Courses and Videos End User Licence Agreement Global Search