ZyXEL Communications UAG5100 - 1.4 Web Configurator

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www.zyxel.com
© Copyright 1995-2017, ZYXEL Communications Corp. All rights reserved.
Appendix 1. Firmware upgrade / downgrade procedure
The following is the firmware upgrade procedure:
1. If user did not backup the configuration file before firmware upgrade, please
follow the procedures below:
 Use Browser to login into UAG as administrator.
 Click Maintenance > File Manager > Configuration File to open the
Configuration File
screen. Use the Configuration File screen to backup current configuration
file.
 Find firmware at www.zyxel.com in a file that (usually) uses the system model
name with the .bin extension, for example, “400AAPN0C0.bin”.
 Click Maintenance > File Manager > Firmware Package to open the Firmware
Package
screen. Browser to the location of firmware package and then click Upload.
The UAG automatically reboots after a successful upload.
 After several minutes, the system is successfully upgraded to newest version.
The following is the firmware downgrade procedure:
1. If user has already backup the configuration file before firmware upgrade, please
follow the procedures below:
 Use Console/Telnet /SSH to login into UAG.
 Router>enable
 Router#configure terminal
 Router(config)#setenv-startup stop-on-error off
 Router(config)#write
 Load the older firmware to UAG using standard firmware upload procedure.
 After system uploads and boot-up successfully, login into UAG via GUI.
 Go to GUI  “File Manager” menu, select the backup configuration filename,
for example, statup-config-backup.conf and press “Apply” button.
 After several minutes, the system is successfully downgraded to older version.
2. If user did not backup the configuration file before firmware upgrade, please
follow the procedures below:
1. Use Console/Telnet /SSH to login into UAG.
2. Router>enable
3. Router#configure terminal
4. Router(config)#setenv-startup stop-on-error off
5. Router(config)#write
6. Load the older firmware to UAG using standard firmware upload
procedure.
7. After system upload and boot-up successfully, login into UAG via
Console/Telnet/SSH.
8. Router>enable
9. Router#write