Upgrading The System Image; Preparing The Wss For The Upgrade - Nortel 2360 Configuration Manual

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

Caution!
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.
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)
commands, see "Backing up and restoring the system" (page
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.
Save the configuration, then create a backup of your WSS files before
shows an example use of the backup command. For more information about these
Nortel WLAN—Security Switch 2300 Series Configuration Guide
663).
Managing system files 665