USB Port Specicaons for the QFX Series
The following Juniper Networks USB ash drives have been tested and are ocially supported for the
USB port in the QFX Series:
• RE-USB-1G-S—1-gigabyte (GB) USB ash drive (except QFX3100 Director device)
• RE-USB-2G-S—2-GB USB ash drive (except QFX3100 Director device)
• RE-USB-4G-S—4-GB USB ash drive
CAUTION: Any USB memory product not listed as supported for the QFX Series has
not been tested by Juniper Networks. The use of any unsupported USB memory
product could expose your device to unpredictable behavior. Juniper Networks
Technical Assistance Center (JTAC) can provide only limited support for issues related to
unsupported hardware. We strongly recommend that you use only supported USB ash
drives.
CAUTION: Remove the USB ash drive before upgrading Junos OS or reboong a QFX
Series device. Failure to do so could expose your device to unpredictable behavior.
NOTE: Execung the request system snapshot CLI command on a QFX3500 device requires an
external USB ash drive with at least 4 GB of free space. We recommend using the RE-USB-4G-
S ash drive.
NOTE: USB ash drives used with the QFX Series device must support USB 2.0 or later.
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