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Multiple AP Stop Passing Traffic and Controller Does Not See them until AP is set to factory Default

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TitleMultiple AP Stop Passing Traffic and Controller Does Not See them until AP is set to factory Default
Symptoms
  • All APs attached to controller simultaneously stop passing traffic
  • AP's LEDs look normal
  • SSH session shows error scrolling
Mar 4 18:18:37 cap: 00183:ru_register.c:354-ru_backup_tunnel_register()-Bkup AC 192.168.116.19 KEY=377730c0812173752f7aa146cc59c74d
Mar 4 18:18:37 cap: AP backup registeration succeeded. Sending autentication request...
Mar 4 18:18:37 cap: AP Authentication FAILED!
Mar 4 18:18:43 cap: 00183:ru_register.c:354-ru_backup_tunnel_register()-Bkup AC 192.168.116.19 KEY=377730c0812173752f7aa146cc59c74d
Mar 4 18:18:43 cap: AP backup registeration succeeded. Sending autentication request...
Mar 4 18:18:43 cap: AP Authentication FAILED!
Mar 4 18:18:49 cap: 00183:ru_register.c:354-ru_backup_tunnel_register()-Bkup AC 192.168.116.19 KEY=377730c0812173752f7aa146cc59c74d
Mar 4 18:18:49 cap: AP backup registeration succeeded. Sending autentication request...
Mar 4 18:18:49 cap: AP Authentication FAILED!
Mar 4 18:18:55 cap: 00183:ru_register.c:354-ru_backup_tunnel_register()-Bkup AC 192.168.116.19 KEY=377730c0812173752f7aa146cc59c74d
Mar 4 18:18:55 cap: AP backup registeration succeeded. Sending autentication request...
Mar 4 18:18:55 cap: AP Authentication FAILED!
Mar 4 18:19:01 cap: 00183:ru_register.c:354-ru_backup_tunnel_register()-Bkup AC 192.168.116.19 KEY=377730c0812173752f7aa146cc59c74d
Mar 4 18:19:01 cap: AP backup registeration succeeded. Sending autentication request...
Mar 4 18:19:01 cap: AP Authentication FAILED!
Mar 4 18:19:07 cap: 00183:ru_register.c:354-ru_backup_tunnel_register()-Bkup AC 1928.168.116.19 KEY=377730c0812173752f7aa146cc59c74d
Mar 4 18:19:07 cap: AP backup registeration succeeded. Sending autentication request...
Mar 4 18:19:07 cap: AP Authentication FAILED!
  • reset of AP does not resolve
  • AP to factory defaults resolves
Environment
  • Identifi
  • Firmware 9.1.5.0
Cause
Firmware Issue
Resolution
upgrade both controllers and all APs to 9.21.11
 
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