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ZyWALL 2 User's Guide
Chapter 33
Firmware and Configuration File
Maintenance
This chapter tells you how to back up and restore your configuration file as well as upload new
firmware and a new configuration file.
33.1 Introduction
Use the instructions in this chapter to change the ZyWALL's configuration file or upgrade its firmware.
After you configure your ZyWALL, you can backup the configuration file to a computer. That way if you
later misconfigure the ZyWALL, you can upload the backed up configuration file to return to your previous
settings. You can alternately upload the factory default configuration file if you want to return the
ZyWALL to the original default settings. The firmware determines the ZyWALL'savailable features and
functionality. You can download new firmware releases from your nearest Nortel Networks FTP site to use
to upgrade your ZyWALL's performance.
33.2 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 Nortel Networks with a "rom" filename
extension. Once you have customized the ZyWALL'ssettings, they can be saved back to your computer
under a filename of your choosing.
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 ZyWALL.
Firmware and Configuration File Maintenance
33-1
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