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Cannot restore backup from another controller with radius secret string in the configuration

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TitleCannot restore backup from another controller with radius secret string in the configuration
Symptoms
  • Cannot restore backup from another controller with radius secret string in the configuration
  • Restore fails
  • Error message seen after backup is partially restored
 
cli_import_from_file: 

 E x c e p t i o n : ' u t f 8 ' c o d e c c a n ' t d e c o d e b y t e 0 x 9 b i n p o s i t i o n 4 : u n e x p e c t e d c o d e b y t e . ( f i l e = / v a r / t m p / p y t h o n - x 8 6 _ 5 8 6 - r o o t / o p t / m o n t a v i s t a / f o u n d a t i o n / d e v k i t / x 8 6 / 5 8 6 / t a r g e t / u s r / l i b / p y t h o n 2 . 4 / S t r i n g I O . p y : 2 7 1 f u n c t i o n = g e t v a l u e ) a t / t m p / _ _ c l i a g e n t _ 1 4 7 3 7 6 0 9 1 0 / c o n t r o l l e r _ c o n f i g . c l i ( 1 ) 

 FAIL: Failed to import file controller.12092016.045901.zip. Command exited with status of 1, E x c e p t i o n : ' u t f 8 ' c o d e c c a n ' t d e c o d e b y t e 0 x 9 b i n p o s i t i o n 4 : u n e x p e c t e d c o d e b y t e . ( f i l e = / v a r / t m p / p y t h o n - x 8 6 _ 5 8 6 - r o o t / o p t / m o n t a v i s t a / f o u n d a t i o n / d e v k i t / x 8 6 / 5 8 6 / t a r g e t / u s r / l i b / p y t h o n 2 . 4 / S t r i n g I O . p y : 2 7 1 f u n c t i o n = g e t v a l u e ) a t / t m p / _ _ c l i a g e n t _ 1 4 7 3 7 6 0 9 1 0 / c o n t r o l l e r _ c o n f i g . c l i ( 1 )


 
Environment
  • identiFi wireless
  • Firmware 9.21.05
  • Radius secret
  • Configuration comes from another controller
Cause
Firmware bug
Resolution
Workaround:
  1. Take a backup and copy the zip file to your PC 
  2. Extract the file "controller_config.cli" 
  3. Edit with text editor 
  4. Delete lines as shown in #5 from the configured radius server section - don't leave blank lines or change the formatting otherwise: 
  5. shared-secret "<32 character hex string>" 
  6. Config would look like: 
    • protocol MS-CHAP2
    • name "<radius server name" 
  7. Save file and upload the controller_config.cli back to the controller 
  8. Restore this backup 
  9. Re-enter the shared secrets in the controller GUI once the restore is complete. 
Resolution:

Upgrade to 9.21.13 or w/c 31/10/16 10.11.04
 
Additional notes

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