Step 1 |
Upload your controller
configuration files to a server to back them up.
Note
|
We highly recommend that you back up your configuration files of the controller prior to upgrading the controller software.
Otherwise, you must manually reconfigure the controller.
|
|
Step 2 |
Get the controller software
image by following these steps:
-
Browse to
http://www.cisco.com/cisco/software/navigator.html.
-
Choose
.
The
following options are available:
Integrated Controllers and Controller Modules,
Mobility
Express, and
Standalone Controllers.
-
Depending on your controller
platform, click one of the above options.
-
Click the
controller model number or name. The Download Software page is displayed.
-
Click a controller software
release. The software releases are labeled as follows to help you determine
which release to download:
Early Deployment (ED)—These software releases
provide new features, new hardware platform support, and bug fixes.
Maintenance Deployment (MD)—These software releases
provide bug fixes and ongoing software maintenance.
Deferred (DF)—These software releases have been
deferred. We recommend that you migrate to an upgraded release.
-
Choose a software release
number.
-
Click the filename (filename.aes).
-
Click
Download.
-
Read Cisco’s End User
Software License Agreement and then click
Agree.
-
Save the file to your hard
drive.
-
Repeat steps
a
through
k to
download the remaining file.
|
Step 3 |
Copy the controller software
image (filename.aes) to the
default directory on your TFTP or FTP server.
Note
|
In Release 8.1 and later releases, transfer over HTTP is also supported.
|
Note
|
In 8.3, 8.4, and 8.5 releases, for Cisco 2504 WLC, 5508 WLC, and WiSM2, the Cisco WLC software image is split into two images:
Base Install Image and Supplementary AP Bundle Image. Therefore, to upgrade to 8.3, 8.4, or 8.5 release, you must repeat Step
2 through Step 14 to complete the installation of both Base Install Image and Supplementary AP Bundle Image.
Download the Supplementary AP Bundle Image only if you are using any of these APs: AP80x, Cisco Aironet 1550 Series AP (with
64-MB memory), Cisco Aironet 1550 Series AP (with 128-MB memory), Cisco Aironet 1570 Series APs, and/or Cisco Aironet 1600
APs.
|
|
Step 4 |
(Optional) Disable the 802.11
networks.
Note
|
For busy networks, controllers on high utilization, or small controller platforms, we recommend that you disable the 802.11
networks as a precautionary measure.
|
|
Step 5 |
Choose
Commands
> Download File to open the
Download File to Controller page.
|
Step 6 |
From the
File
Type drop-down list, choose
Code.
|
Step 7 |
From the
Transfer Mode drop-down list, choose from the
following options:
- TFTP
- FTP
- SFTP (available in 7.4 and later releases)
- HTTP (available
in 8.1 and later releases)
|
Step 8 |
In the
IP
Address text box, enter the IP address of the server.
|
Step 9 |
(Optional) If you are using a TFTP server, the default values of 10 retries for the Maximum Retries text field, and 6 seconds
for the Timeout text field should work correctly without any adjustment. However, you can change these values if desired.
To do so, enter the maximum number of times that the TFTP server attempts to download the software in the Maximum Retries text box and the amount of time (in seconds) that the TFTP server attempts to download the software in the Timeout text box.
|
Step 10 |
In the
File
Path text box, enter the directory path of the software.
|
Step 11 |
In the
File
Name text box, enter the name of the controller software file (filename.aes).
|
Step 12 |
If you are using an FTP
server, follow these steps:
-
In the
Server Login Username text box, enter the username
to log into the FTP server.
-
In the
Server Login Password text box, enter the password
to log into the FTP server.
-
In the
Server Port Number text box, enter the port number
on the FTP server through which the download occurs. The default value is 21.
|
Step 13 |
Click
Download to
download the software to the controller. A message appears indicating the
status of the download.
Note
|
In 8.3, 8.4, and 8.5 releases, for Cisco 2504 WLC, 5508 WLC, and WiSM2, the Cisco WLC software image is split into two images:
Base Install Image and Supplementary AP Bundle Image. Therefore, to upgrade to 8.3, 8.4, or 8.5 release, you must repeat Step
2 through Step 14 to complete the installation of both Base Install Image and Supplementary AP Bundle Image.
Download the Supplementary AP Bundle Image only if you are using any of these APs: AP80x, Cisco Aironet 1550 Series AP (with
64-MB memory), Cisco Aironet 1550 Series AP (with 128-MB memory), Cisco Aironet 1570 Series APs, and/or Cisco Aironet 1600
APs.
|
|
Step 14 |
(Optional) After the download is complete, you can choose to predownload the image to your access points. For more information,
see the "Predownloading an Image to an Access Point" section.
|
Step 15 |
Click Reboot to reboot the controller.
|
Step 16 |
If prompted to
save your changes, click
Save and
Reboot.
|
Step 17 |
Click
OK to confirm.
|
Step 18 |
After the controller reboots, repeat step 6 to step 16 to install the remaining file.
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Step 19 |
For Cisco WiSM2, reenable the controller port channel on the Catalyst switch.
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Step 20 |
If you have disabled the 802.11 networks, reenable them.
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Step 21 |
To verify the controller
software version, choose
Monitor on the
controller GUI and see
Software Version in the Controller Summary area.
|