NSSU takes advantage of graceful Routing Engine switchover (GRES) and nonstop active routing (NSR) to ensure no disruption You can also upgrade the software on a Virtual Chassis using Release to all member switches of a Virtual Chassis or to only a particular In a Virtual Chassis must be running the same version of Junos OS.įor ease of management, a Virtual Chassis provides flexible
The Virtual Chassis operates asĪ single network entity composed of member switches.
One unit and manage the unit as a single device, called a Virtual Chassis. You can connect individual EX Series switches together to form To the originally active installation when you reboot. If the software installation fails for any reason, suchĪs loss of power during the installation process, the system returns The previous software package is preserved inĪ separate disk partition, and you can manually revert back to it It retains configuration files,Īnd similar information, such as secure shell and host keys, from You are installing a domestic or controlled Junos OS package.ĭuring a successful upgrade, the upgrade package removes all You should following this procedure regardless of whether Upgrade, you should back up the new current configuration to a secondaryĭevice. The switch it boots from the upgraded software. To install the new software package on the switch. Use either the J-Web interface or the command-line interface (CLI)
Package to your switch or another system on your local network, then You upgrade Junos OS on an EX Series switch by copying a software When you connect power to the switch, it starts Overview of the Software Installation ProcessĪn EX Series switch is delivered with a domestic version of
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