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Purpose

To avoid damage to the file system, gracefully shut down the JUNOS software before powering down the router. If you have configured a backup Routing Engine, it must be shut down before the master Routing Engine.

Action

To stop the JUNOS software, use the following JUNOS command-line interface (CLI) operational mode command:

Sample Output

shutdown: [pid 3110]
Shutdown NOW!

*** FINAL System shutdown message from root@host *** 
System going down IMMEDIATELY 

user@host> Dec 17 17:28:40 init: syslogd (PID 2514) exited with status=0 Normal Exit
 Waiting (max 60 seconds) for system process `bufdaemon' to stop...stopped
 Waiting (max 60 seconds) for system process `syncer' to stop...stopped 
syncing disks... 4 
done
Uptime: 3h31m41s
ata0: resetting devices .. done 
The operating system has halted.
 Please press any key to reboot. 

Meaning

The sample output shows that all system process have stopped and the operating system was halted immediately. For more detailed information on the request system halt command, see the JUNOS System Basics and Services Command Reference.