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Cisco Wireless LAN Controller Configuration Guide
OL-17037-01
Chapter 9 Managing Controller Software and Configurations
Upgrading Controller Software
h. Click the filename (filename.aes).
i. Click Download.
j. Read Cisco’s End User Software License Agreement and then click Agree.
k. Save the file to your hard drive.
l. Repeat steps a. to k. to download the remaining file (either the 5.2 controller software or the Cisco
Unified Wireless Network Controller Boot Software 5.2.157.0 ER.aes file).
Step 3 Copy the controller software file (filename.aes) and the Cisco Unified Wireless Network Controller Boot
Software 5.2.157.0 ER.aes file to the default directory on your TFTP or FTP server.
Step 4 Disable the controller 802.11a and 802.11b/g networks.
Step 5 For Cisco WiSMs, shut down the controller port channel on the Catalyst switch to allow the controller
to reboot before the access points start downloading the software.
Step 6 Disable any WLANs on the controller (using the config wlan disable wlan_id command).
Step 7 Log into the controller CLI.
Step 8 Enter ping server-ip-address to verify that the controller can contact the TFTP or FTP server.
Step 9 Enter transfer download start and answer n to the prompt to view the current download settings.
Information similar to the following appears:
Mode........................................... TFTP
Data Type...................................... Code
TFTP Server IP................................. xxx.xxx.xxx.xxx
TFTP Packet Timeout............................... 6
TFTP Max Retries.................................. 10
TFTP Path...................................... <directory path>
TFTP Filename.................................. xxx.aes
This may take some time.
Are you sure you want to start? (y/N) n
Transfer Canceled
Step 10 Enter these commands to change the download settings, if necessary:
• transfer download mode {tftp | ftp}
• transfer download datatype code
• transfer download serverip server-ip-address
• transfer download filename filename
• transfer download path server-path-to-file
Note Pathnames on a TFTP or FTP server are relative to the server’s default or root directory. For
example, in the case of the Solarwinds TFTP server, the path is “/”.
If you are using a TFTP server, also enter these commands:
• transfer download tftpMaxRetries retries
• transfer download tftpPktTimeout timeout
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