1. Connect to the switch using one of the following methods:
•
Connect a management device to the console (CON) port on a QFX5100 switch.
For instructions about connecting a management device to the console (CON) port,
see “Connecting a QFX Series Device to a Management Console” on page 179.
•
You can shut down the QFX5100 switch 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“Connecting a QFX5100
Device to a Network for Out-of-Band Management” on page 180.
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 switch
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!
System going down IMMEDIATELY
Terminated
Poweroff for hypervisor to respawn
Oct 25 10:35:05 init: event-processing (PID 1114) exited with status=1
Oct 25 10:35:05 init: packet-forwarding-engine (PID 1424) exited with status=8
.
Waiting (max 60 seconds) for system process `vnlru_mem' to stop...done
Waiting (max 60 seconds) for system process `vnlru' to stop...done
Waiting (max 60 seconds) for system process `bufdaemon' to stop...done
Waiting (max 60 seconds) for system process `syncer' to stop...
Syncing disks, vnodes remaining...0 0 0 0 done
syncing disks... All buffers synced.
Uptime: 11h0m30s
Normal shutdown (no dump device defined)
unloading fpga driver
unloading fx-scpld
Powering system off using ACPI
kvm: 28646: cpu0 disabled perfctr wrmsr: 0xc1 data 0xabcd
pci-stub 0000:01:00.2: transaction is not cleared; proceeding with reset anyway
pci-stub 0000:01:00.1: transaction is not cleared; proceeding with reset anyway
hub 1-1:1.0: over-current change on port 1
Stopping crond: [ OK ]
Stopping libvirtd daemon: [ OK ]
Shutting down ntpd: [ OK ]
Shutting down system logger: [ OK ]
Shutting down sntpc: [ OK ]
Stopping sshd: [ OK ]
Stopping vehostd: [ OK ]
Stopping watchdog: [ OK ]
Stopping xinetd: [ OK ]
Sending all processes the TERM signal... [ OK ]
Sending all processes the KILL signal... [ OK ]
Saving random seed: [ OK ]
Syncing hardware clock to system time [ OK ]
Turning off swap: [ OK ]
Unmounting file systems: [ OK ]
init: Re-executing /sbin/init
Copyright © 2016, Juniper Networks, Inc.194
QFX5100 Switch Hardware Guide
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