1. check your controller software version.
(Cisco Controller) >show sysinfo
Manufacturer's Name.............................. Cisco Systems Inc.
Product Name..................................... Cisco Controller
Product Version.................................. 6.0.199.4
2. check release notes for new software version and check upgrade patch table.
3. download new image from cisco site and copy it to tftp server.
4. login to controller
(Cisco Controller) >transfer download mode tftp
(Cisco Controller) >transfer download serverip 172.16.15.70
(Cisco Controller) >transfer download path .
(Cisco Controller) >transfer download filename AIR-WLC2100-K9-7-0-116-0.aes
(Cisco Controller) >transfer download start
Mode............................................. TFTP
Data Type........................................ Code
TFTP Server IP................................... 172.22.22.10
TFTP Packet Timeout.............................. 6
TFTP Max Retries................................. 10
TFTP Path........................................ ./
TFTP Filename.................................... AIR-WLC2100-K9-7-0-116-0.aes
This may take some time.
Are you sure you want to start? (y/N) y
TFTP Code transfer starting.
TFTP receive complete... extracting components.
/mnt/application
Writing new RTOS to flash disk.
Writing new Code to flash disk.
Executing install_code script.
Writing new APIB to flash disk.
Executing install_apib script.
TFTP File transfer is successful.
Reboot the controller for update to complete.
Optionally, pre-download the image to APs before rebooting to reduce network downtime.
(Cisco Controller) >reset system
The system has unsaved changes.
Would you like to save them now? (y/N) y
Configuration Saved!
System will now restart!
