Cisco Cisco 4404 Wireless LAN Controller
3
Release Notes for Cisco Wireless LAN Controllers and Lightweight Access Points for Release 4.0.179.8
OL-11101-01
Software Release Information
Software Release Information
Operating system software is factory installed on your controller and automatically downloaded to the
access points after a release upgrade and whenever an access point associates to a controller. As new
releases become available for the controllers and their associated access points, consider upgrading.
access points after a release upgrade and whenever an access point associates to a controller. As new
releases become available for the controllers and their associated access points, consider upgrading.
Note
The Cisco WiSM requires software release SWISMK9-32 or later.
Note
The Cisco WiSM is supported on Cisco 7609 and 7613 Series Routers running only Cisco IOS Release
12.2(18)SXF5 or higher.
12.2(18)SXF5 or higher.
Note
To use the controller in the Catalyst 3750G Wireless LAN Controller Switch, the switch must be running
Cisco IOS Release 12.2.25.FZ or 12.2(25)SEE.
Cisco IOS Release 12.2.25.FZ or 12.2(25)SEE.
Finding the Software Release
To find the software release running on your controller, look on the Monitor > Summary page of the
controller GUI or enter show sysinfo on the controller command line interface (CLI).
controller GUI or enter show sysinfo on the controller command line interface (CLI).
Upgrading to a New Software Release
When a controller is upgraded, the code on its associated access points is also automatically upgraded.
When an access point is loading code, each of its lights blinks in succession.
When an access point is loading code, each of its lights blinks in succession.
Caution
Do not power down the controller or any access point during this process; otherwise, you might corrupt
the software image! Upgrading a controller with a large number of access points can take as long as 30
minutes. The access points must remain powered, and the controller must not be reset during this time.
the software image! Upgrading a controller with a large number of access points can take as long as 30
minutes. The access points must remain powered, and the controller must not be reset during this time.
Cisco recommends the following sequence when performing an upgrade:
1.
Upload your controller configuration files to a server to back them up.
2.
Turn off the controller 802.11a and 802.11b networks.
3.
Upgrade your controller to software release 4.0.179.8, following the instructions in the Cisco
Wireless LAN Controller Configuration Guide, Release 4.0. Click this link to browse to that
document:
Wireless LAN Controller Configuration Guide, Release 4.0. Click this link to browse to that
document:
4.
Re-enable your 802.11a and 802.11b networks.