Cisco Cisco 4402 Wireless LAN Controller
5
Release Notes for Cisco Wireless LAN Controllers and Lightweight Access Points for Release 4.1.185.10 (For FIPS Customers)
OL-31336-01
Software Release Information
Note
When you upgrade the controller to an intermediate software release, wait until all of the
access points joined to the controller are upgraded to the intermediate release before you
install the 4.1.185.10 software. In large networks, it can take some time to download the
software on each access point.
access points joined to the controller are upgraded to the intermediate release before you
install the 4.1.185.10 software. In large networks, it can take some time to download the
software on each access point.
Caution
If you require a downgrade from one release to another, you may lose the configuration from your
current release. The workaround is to reload the previous controller configuration files saved on the
backup server or to reconfigure the controller.
current release. The workaround is to reload the previous controller configuration files saved on the
backup server or to reconfigure the controller.
Follow these steps to upgrade the controller software using the controller GUI.
Step 1
Upload your controller configuration files to a server to back them up.
Note
Cisco highly recommends that you back up your controller’s configuration files prior to
upgrading the controller software. Otherwise, you must manually reconfigure the controller.
upgrading the controller software. Otherwise, you must manually reconfigure the controller.
Step 2
Disable the controller 802.11a and 802.11b/g networks.
Step 3
Disable any WLANs on the controller.
Step 4
Follow these steps to obtain the 4.1.185.10 controller software from the Software Center on Cisco.com:
a.
Click this URL to go to the Software Center:
b.
Click Wireless Software.
Table 1
Upgrade Path to Controller Software Release 4.1.185.10
Current Software Release
Upgrade Path to 4.1.185.10 Software
3.2.78.0
Upgrade to 4.0.206.0 (or a later 4.0 release) before upgrading to
4.1.185.10.
4.1.185.10.
3.2.116.21
3.2.150.10
3.2.171.6
3.2.193.5
If your controller is configured with the new J3 country code,
upgrade to 3.2.195.10 (or a later 3.2 release). If your controller is
not configured for the new J3 country code, you can upgrade to
3.2.195.10 (or a later 3.2 release) or to 4.0.206.0 (or a later 4.0
release).
upgrade to 3.2.195.10 (or a later 3.2 release). If your controller is
not configured for the new J3 country code, you can upgrade to
3.2.195.10 (or a later 3.2 release) or to 4.0.206.0 (or a later 4.0
release).
3.2.195.10 or later 3.2 release
You can upgrade directly to 4.1.185.10.
4.0.155.5
Upgrade to 4.0.206.0 (or a later 4.0 release) before upgrading to
4.1.185.10.
4.1.185.10.
4.0.179.11
4.0.206.0 or later 4.0 release
You can upgrade directly to 4.1.185.10.
4.1.171.0, 4.1.181.0, or
4.1.185.0
4.1.185.0
You can upgrade directly to 4.1.185.10.