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Managing system files 665
Nortel WLAN—Security Switch 2300 Series Configuration Guide
The following command restores system-critical files on a switch, from archive sysa_bak:
WSS# restore system tftp:/10.10.20.9/sysa_bak
success: received 11908 bytes in 0.150 seconds [ 79386 bytes/sec]
success: restore complete.
Upgrading the system image
To upgrade the WSS from one WSS Software version to another, use the procedure in this section. For a given release,
there may be notes and cautions that apply only to that release. Consequently, before upgrading to a new software image,
you should also consult the release notes for that release.
Preparing the WSS for the upgrade
Use the following command to save the configuration. Unsaved changes will be lost during the upgrade procedure.
save config [filename]
If the switch is running WSS Software Version 4.0 or later, you can use the following command to back up the switch’s
files:
backup system [tftp:/ip-addr/]filename [all | critical]
To restore a switch that has been backed up, use the following command:
restore system [tftp:/ip-addr/]filename [all | critical] [force]
“Upgrade scenario” (page 666) shows an example use of the backup command. For more information about these
commands, see “Backing up and restoring the system” (page 663).
Caution! Save the configuration, then create a backup of your WSS files before
you upgrade the switch. Nortel recommends that you make a backup of the switch files
before you install the upgrade. If an error occurs during the upgrade, you can restore your
switch to its previous state.
Note. If you have made configuration changes but have not saved the changes, use the
save config command to save the changes, before you back up the switch.