Cisco Cisco 2106 Wireless LAN Controller
11
Release Notes for Cisco Wireless LAN Controllers and Lightweight Access Points for Release 6.0.196.0
OL-31336-01
Upgrading to a New Software Release
Note
If a WiSM controller is heavily loaded with access points and clients and is running heavy traffic,
software upgrade sometimes causes Ethernet receive-path lockup and the hardware watchdog sometimes
trips. You might need to reset the controller to return to normal operation.
software upgrade sometimes causes Ethernet receive-path lockup and the hardware watchdog sometimes
trips. You might need to reset the controller to return to normal operation.
Note
Do not install the 6.0.196.0 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 6.0.196.0 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.
k.
Click the filename (filename.aes).
l.
Click Download.
m.
Read Cisco’s End User Software License Agreement and then click Agree.
n.
Save the file to your hard drive.