3com 6.0.4.6 User Manual

Page of 30
28
W
IRELESS
 LAN S
WITCH
 
AND
 C
ONTROLLER
 MSS V
ERSION
 6.0.4.6 R
ELEASE
 N
OTES
during the upgrade, you can restore your switch 
to its previous state.
Use this 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” on page 28 of these Release 
Notes shows a sample use of the backup command. 
For more information about these commands, see the 
“Backing Up and Restoring the System” section in the 
“Managing System Files” chapter of the Wireless LAN 
Switch and Controller Configuration Guide
.
If you have made configuration changes but have not 
saved the changes, use the save config command to 
save the changes before you backup the switch.
If the switch is running an earlier version of MSS, use 
the copy tftp command to copy files from the switch 
onto a TFTP server.
Upgrading an Individual Switch Using the CLI
1
Back up the switch, using the backup system com-
mand. (See “Preparing the WX Switch for the 
Upgrade” on page 27.
)
2
Copy the new system image onto a TFTP server.
3
Copy the new system image file from the TFTP server 
to a boot partition in the switch’s nonvolatile storage. 
You can copy the image file only into the boot parti-
tion that was not used for the most recent restart. For 
example, if the currently running image was booted 
from partition 0, you can copy the new image only 
into partition 1.
4
Set the boot partition to the one with the upgrade 
image for the next restart. 
To verify that the new image file is installed, type dis-
play boot
5
Reboot the software. 
To restart a WX switch and reboot the software, type 
the following command:
reset system [force]
When you restart the WX switch, the switch boots 
using the new MSS image. The switch also sends the 
MAP version of the new boot image to MAPs and 
restarts the MAPs. After a MAP restarts, it checks the 
version of the new MAP boot image to make sure the 
boot image is newer than the boot image currently 
installed on the MAP. If the boot image is newer, the 
MAP completes installation of its new boot image by 
copying the boot image into the MAP’s flash memory, 
which takes about 30 seconds, then restarts again. 
The upgrade of the MAP is complete after the second 
restart. 
Upgrade Scenario
To upgrade a switch (WX1200 used in this example) 
type commands such as the following.
This example copies the image file into boot 
partition 1. On your switch, copy the image file into 
the boot partition that was not used the last time the