Cisco Cisco 2106 Wireless LAN Controller
7
Release Notes for Cisco Wireless LAN Controllers and Lightweight Access Points for Release 4.2.173.0
OL-31336-01
New and Changed Information
Step 5
From the File Type drop-down box, choose Code.
Step 6
In the IP Address field, enter the IP address of the TFTP server.
Step 7
The default values of 10 retries and 6 seconds for the Maximum Retries and Timeout fields should work
fine 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 field and the amount of time (in seconds) that the TFTP server attempts to download the software
in the Timeout field.
fine 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 field and the amount of time (in seconds) that the TFTP server attempts to download the software
in the Timeout field.
Step 8
In the File Path field, enter the directory path of the software.
Step 9
In the File Name field, enter the name of the software file (filename.aes).
Step 10
Click Download to download the software to the controller. A message appears indicating the status of
the download.
the download.
Step 11
Repeat
to
to install the remaining file (either the 4.2.173.0 controller software or the
Cisco Unified Wireless Network Controller Boot Software 4.2.112.0 ER.aes file).
Step 12
After the download is complete, click Reboot.
Step 13
If prompted to save your changes, click Save and Reboot.
Step 14
Click OK to confirm your decision to reboot the controller.
Step 15
If desired, reload your latest configuration file to the controller.
Step 16
To verify that the 4.2.173.0 controller software is installed on your controller, click Monitor on the
controller GUI and look at the Software Version field under Controller Summary.
controller GUI and look at the Software Version field under Controller Summary.
Step 17
To verify that the Cisco Unified Wireless Network Controller Boot Software 4.2.112.0 ER.aes file is
installed on your controller, enter the show sysinfo command on the controller CLI and look at the
Bootloader Version field. “N/A” appears if the ER.aes file is installed successfully. “Error” appears if
the ER.aes file is not installed.
installed on your controller, enter the show sysinfo command on the controller CLI and look at the
Bootloader Version field. “N/A” appears if the ER.aes file is installed successfully. “Error” appears if
the ER.aes file is not installed.
Note
You can use this command to verify the boot software version on all controllers except the 2106
because the bootloader is not upgradable on the 2106 controller.
because the bootloader is not upgradable on the 2106 controller.
New and Changed Information
The following changes are available in controller software release 4.2.173.0.
•
Controller software release 4.2.173.0 and prior releases support both asymmetric and symmetric
mobility tunneling. However, Cisco plans to deprecate asymmetric mobility tunneling in future
controller software releases.
mobility tunneling. However, Cisco plans to deprecate asymmetric mobility tunneling in future
controller software releases.
Note
Controllers within the same mobility group that run different software releases (such as 4.2,
5.0, and 5.1) can use guest tunneling, but they do not support normal client mobility.
5.0, and 5.1) can use guest tunneling, but they do not support normal client mobility.