Cisco WLC upgrade using CLI

This Document explains step by step procedure to configure WLC using CLI. We have used 2500 WLC to explain the procedure.

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 FTP server from WLC.

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

 

If there is any firewall in between controller and FTP server, please make sure FTP port are opened.

3.     Select the FTP server

(Cisco Controller) >transfer download serverip 192.168.1.10

4.     Configure the FTP username to be used to contact FTP server. We have used Cisco as username.

(Cisco Controller) >transfer download username Cisco

5.     Configure the FTP password to be used to contact FTP server. We have used Cisco as password.

(Cisco Controller) >transfer download password Cisco

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

(Cisco Controller) >transfer download mode ftp

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

(Cisco Controller) >transfer download datatype code

8.     Choose the IOS image.

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

9.     Start the FTP download.

(Cisco Controller) >transfer download start Mode............................................. FTP   Data Type........................................ Code          FTP Server IP.................................... 192.168.1.10 FTP Server Port.................................. 21 FTP Path......................................... FTP Filename..................................... AIR-CT2500-K9-7-2-110-0.aes FTP Username..................................... Cisco FTP Password..................................... ********* This may take some time. Are you sure you want to start? (y/N) y     ----------------------------<<<<<<<<<<<<<<<<< FTP Code transfer starting. FTP receive complete... extracting components. Checking Version Built. Image version check passed. Executing backup script. Writing new RTOS to flash disk. Writing new FP to flash disk. Writing new APIB to flash disk. Executing install_apib script. Executing fini script. FTP File transfer is successful.   Reboot the controller for update to complete.   Optionally, pre-download the image to APs before rebooting to reduce network downtime.

10.  Reset 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     ----------------------------<<<<<<<<<<<<<<<<< Configuration Saved! System will now restart!

11.  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