WLC Upgrade via CLI

1.     Before proceeding to upgrade process, please make sure that you take back up of configuration and license file. Please check the documents for configuration and license backup procedure.

2.     Please test the reachability of TFTP server from WLC.

(Cisco Controller) >ping 192.168.1.10
Send count=3, Receive count=3 from 192.168.1.10

3.     Specify the TFTP server IP address

(Cisco Controller) >transfer download serverip 192.168.1.1

4.     We have two options via FTP or TFTP to download the image to WLC from the server. We have selected the TFTP as file transfer mode.

(Cisco Controller) >transfer download mode tftp

5.     Select the file type. For IOS image use code as an option.

(Cisco Controller) >transfer download datatype code

6.     Select the IOS image which you want to upload into WLC.

(Cisco Controller) >transfer download filename AIR-CT2500-K9-7-2-110-0.aes

7.     Start the TFTP download process.

(Cisco Controller) >transfer download start

8.  Reboot the system to take new IOS image as primary.
(Cisco Controller) >reset system

The system has unsaved changes.
Would you like to save them now? (y/N) y     ----------------------------<<<<<<<<<<<<<<<<<

Md.Kareemoddin (CCIE # 54759)

Configuration Saved!
System will now restart!

9.  Verify the image after WLC reboot.

(Cisco Controller) >show sysinfo

Manufacturer's Name.............................. Cisco Systems Inc.
Product Name..................................... Cisco Controller
Product Version.................................. 7.2.110.0     ----------------------------<<<<<<<<<<<<<<<<<
Bootloader Version............................... 1.0.16
Field Recovery Image Version..................... 1.0.0
Firmware Version................................. PIC 16.0