5. Enter the following command on the device:
root@device% dd if=/var/tmp/filename of=/dev/da1 bs=1m
The device writes the installation media image to the USB device:
root@device% dd if=install-media-qfx-5e-15.1X53-D30.5-domestic.img of=/dev/da0
 bs=1m
1399+0 records in
1399+0 records out
1466957824 bytes transferred in 394.081902 secs (3722469 bytes/sec)
6. Log out of the shell:
root@device% exit
% exit
user@device>
Related
Documentation
USB Port Specifications for the QFX Series on page 69•
• Performing a Recovery Installation on page 163
• Performing a Recovery Installation Using an Emergency Boot Device
Copyright © 2017, Juniper Networks, Inc.162
QFX3500 Device Hardware Documentation