Cisco Cisco 2106 Wireless LAN Controller
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Release Notes for Cisco Wireless LAN Controllers and Lightweight Access Points for Release 6.0.182.0
OL-31336-01
Upgrading to a New Software Release
access point upgrades supported in software release 4.0.206.0 and later, the upgrade time should be
significantly reduced. The access points must remain powered, and the controller must not be reset
during this time.
significantly reduced. The access points must remain powered, and the controller must not be reset
during this time.
Note
In controller software release 5.2 or later, the WLAN override feature has been removed from both the
controller GUI and CLI. If your controller is configured for WLAN override and you upgrade to
controller software release 6.0.182.0, the controller deletes the WLAN configuration and broadcasts all
WLANs. You can specify that only certain WLANs be transmitted by configuring access point groups.
Each access point advertises only the enabled WLANs that belong to its access point group. Access point
groups do not enable WLANs to be transmitted on per radio interface of AP.
controller GUI and CLI. If your controller is configured for WLAN override and you upgrade to
controller software release 6.0.182.0, the controller deletes the WLAN configuration and broadcasts all
WLANs. You can specify that only certain WLANs be transmitted by configuring access point groups.
Each access point advertises only the enabled WLANs that belong to its access point group. Access point
groups do not enable WLANs to be transmitted on per radio interface of AP.
Note
Do not install the 6.0.182.0 controller software file and the 5.2.157.0 ER.aes boot software file at the
same time. Install one file and reboot the controller; then install the other file and reboot the controller.
same time. Install one file and reboot the controller; then install the other file and reboot 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
Follow these steps to obtain the 6.0.182.0 controller software and the Cisco Unified Wireless Network
Controller Boot Software 5.2.157.0 ER.aes file from the Software Center on Cisco.com:
Controller Boot Software 5.2.157.0 ER.aes file from the Software Center on Cisco.com:
a.
Click this URL to go to the Software Center:
b.
Click Wireless Software.
c.
Click Wireless LAN Controllers.
d.
Click Standalone Controllers or Integrated Controllers and Controller Modules.
e.
Click a controller series.
f.
If necessary, click a controller model.
g.
If you chose Standalone Controllers in Step
, click Wireless LAN Controller Software.
h.
If you chose Cisco Catalyst 6500 Series/7600 Series Wireless Services Module (WiSM) in Step
,
click Wireless Services Modules (WiSM) Software.
i.
Click a controller software release. The software releases are labeled as follows to help you
determine which release to download:
determine which release to download:
•
Early Deployment (ED)—These software releases provide new features and new hardware
platform support as well as bug fixes.
platform support as well as bug fixes.
•
Maintenance Deployment (MD)—These software releases provide bug fixes and ongoing
software maintenance.
software maintenance.
•
Deferred (DF)—These software releases have been deferred. Cisco recommends that you
migrate to an upgraded release.
migrate to an upgraded release.
j.
Click a software release number.