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VES-1000 Series Ethernet Switch
Firmware and Configuration File Maintenance 21-1
Chapter 21
Firmware and Configuration File
Maintenance
This chapter tells you how to back up/restore your configuration file and upload new firmware and/or
configuration file.
21.1 Filename Conventions
The configuration file (often called the romfile or rom-0) contains the factory default settings in the menus such as
password, DHCP Setup, TCP/IP Setup, etc. It arrives from ZyXEL with a “rom” filename extension. Once you
have customized the VES'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. With many FTP and TFTP clients, the filenames are similar to those seen next.
ftp> put firmware.bin ras
This is a sample FTP session showing the transfer of the computer file " firmware.bin" to the VES.
ftp> get rom-0 config.cfg
This is a sample FTP session saving the current configuration to the computer file “config.cfg”.
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 VES only recognizes “rom-0” and “ras”. Be sure you keep unaltered copies of both files for
later use.
The following table is a summary. Please note that the internal filename refers to the filename on the VES and the
external filename refers to the filename not on the VES, that is, on your computer, local network or FTP site and
so the name (but not the extension) may vary. After uploading new firmware, see the
ZyNOS F/W Version field
in Menu 24.2.1 — System Maintenance — Information to confirm that you have uploaded the correct firmware
version. The AT command is the command you enter after you press “y” when prompted in the SMT menu to go
into debug mode.
Table 21-1 Filename Conventions
FILE TYPE INTERNAL
NAME
EXTERNAL
NAME
DESCRIPTION
Configuration File Rom-0 *.rom This is the configuration filename on the VES. Uploading
the rom-0 file replaces the entire ROM file system,
including your VES 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
VES.