1. Connect to the device using one of the following methods:
•
Connect a management device to the console (CON) port on a QFX3500 device. For instructions
about connecting a management device to the console (CON) port, see “Connecting a QFX Series
Device to a Management Console” on page 293.
•
If you are using the QFX3500 device as a standalone switch, you can shut down the QFX3500 device
from a management device on your out-of-band management network. For instructions about
connecting a management device to the management (CO or C1) port, see “Connect a Device to a
Network for Out-of-Band Management” on page 325.
•
Shut down the QFX3500 device from a management device connected through the QFX3100 Director
device in a QFabric system. See request component login for information about gaining access to
individual devices in your QFabric system.
2. Shut down Junos OS from the external management device by issuing the request system halt
operational mode CLI command. This command shuts down the device gracefully and preserves system
state information. A message appears on the console, confirming that the operating system has halted.
You see the following output (or something similar, depending on the hardware being shut down) after
entering the command:
Shutdown NOW!
[pid 1764]
user@device>
*** FINAL System shutdown message from user@device ***
System going down IMMEDIATELY
JWaiting (max 300 seconds) for system process `vnlru_mem' to stop...done
Waiting (max 300 seconds) for system process `vnlru' to stop...done
Waiting (max 300 seconds) for system process `bufdaemon' to stop...done
Waiting (max 300 seconds) for system process `syncer' to stop...
Syncing disks, vnodes remaining...4 1 1 1 0 0 done
syncing disks... All buffers synced.
Uptime: 1d19h22m25s
The operating system has halted.
Please press any key to reboot.
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