Chapter 16 Interfaces
ZyWALL Series CLI Reference Guide
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Note: If the startup-config.conf configuration file has problems and you are upgrading to 4.25
or later firmware, then the Zyxel Device will revert (failover) to the previously running
firmware.
If the startup-config.conf configuration file has problems and you are upgrading to earlier than 4.25
firmware, then the Zyxel Device uses the new earlier firmware, but generates a log and tries the existing
lastgood.conf configuration file. If there isn’t a lastgood.conf configuration file or it also has an error, the
Zyxel Device applies the system-default.conf configuration file.
You must be in configuration mode (configure terminal) to use the indented commands shown
below.
Table 70 USB Firmware Upgrade and Space Commands
COMMAND DESCRIPTION
show usb-storage update-
firmware status
Displays if updating firmware from USB storage is allowed.
show usb-storage space
Displays USB storage space details.
Criterion Number is 10~99/100~9999 depending on whether you chose
percentage/megabyte as the Criterion Unit for available USB
storage.
Status displays whether the USB device connected to the Zyxel Device is
none (no USB device connected) / Ready / Unused (USB device
connected but not in use).
Detail displays whether the USB device connected to the Zyxel Device is
none (no USB device connected) / Removing (USB device is being
unmounted) / Mounting (USB device is being mounted / Deactivated
(USB device is disabled) / OutOfSpace ((USB device is full).
If both Status and Detail are none, then no USB device is connected.
If Status is Ready and Detail is none, then a USB device is available.
show usb-storage space ftp
Displays total and available FTP space on the RAM memory of the Zyxel
Device in /tmp (in bytes). RAM is cleared when the Zyxel Device restarts.
show usb-storage space tmp
Displays total and available space on the Flash memory of the Zyxel
Device in /db/etc/zyxel/ftp/tmp/ (in bytes).
show usb-storage space usb
Displays total size of the system link file and available space of the USB
device connected to the Zyxel Device in /mnt/usb.
[no] usb-storage update-
firmware enable
Enables updating firmware from USB storage.
The no command disables updating firmware from USB storage.
usb-storage warn
<10..99> percentage
Sets a warning to display when available USB storage falls below the
specified percentage.
usb-storage warn
<100..9999> megabyte
Sets a warning to display when available USB storage falls below the
specified number of megabytes.
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