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Chapter 79 MAINTENANCE
XGS2220 Series User’s Guide
606
79.3.2 Filename Conventions
The configuration file (also known as the romfile or ROM) contains the Zyxel factory default configuration
settings in the screens such as password, Switch setup, IP Setup, and so on. Once you have customized
the Switch’s settings, they can be saved back to your computer under a filename of your choosing.
ZyNOS (Zyxel Network Operating System sometimes referred to as the “ras” file) is the system firmware
and has a “bin” filename extension.
You can store up to two images, or firmware files of the same device model, on the Switch. Only one
image is used at a time.
•Run the boot image <1|2> command to specify which image is updated when firmware is loaded
using the Web Configurator and to specify which image is loaded when the Switch starts up.
• You can also use FTP commands to upload firmware to any image.
The Switch supports dual firmware images, ras-0 and ras-1. You can switch from one to the other by
using the boot image <index> command, where <index> is 1 (ras-0) or 2 (ras-1). See the CLI
Reference Guide for more information about using commands. The system does not reboot after it
switches from one image to the other.
79.3.2.1 Example FTP Commands
ftp> put firmware.bin ras-0
This is a sample FTP session showing the transfer of the computer file "firmware.bin" to the Switch’s
Firmware 1.
ftp> get config1 config1.cfg
This is a sample FTP session saving the Switch’s configuration file 1 (Config1) to a file called “config1.cfg”
on your computer.
If your (T)FTP client does not allow you to have a destination filename different than the source, you will
need to rename them as the Switch only recognizes “config” and “ras”. Be sure you keep unaltered
copies of both files for later use.
Be sure to upload the correct model firmware as uploading the wrong
model firmware may damage your device.
Table 316 Filename Conventions
FILE TYPE INTERNAL NAME EXTERNAL NAME DESCRIPTION
Configuration File config1
config2
*.cfg This is the configuration filename on the
Switch. Uploading the config file replaces
the specified configuration file system,
including your Switch configurations,
system-related data (including the default
password), the error log and the trace log.
Firmware ras *.bin This is the generic name for the ZyNOS
firmware on the Switch.
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