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Cisco Bug: CSCup62418 - CISCO891W-AGN-A-K9 AP module goes to a failed state and then hangs up

Last Modified

Feb 03, 2017

Products (17)

  • Cisco 800 Series Routers
  • Cisco 892W Integrated Services Router
  • Cisco 888W Integrated Services Router
  • Cisco 881SRSTW Integrated Services Router
  • Cisco 861W Integrated Services Router
  • Cisco 881W Integrated Services Router
  • Cisco IAD888W Integrated Access Device
  • Cisco 891W Integrated Services Router
  • Cisco Aironet 1250 Series Access Point
  • Cisco Aironet 1240 AG Access Point
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Known Affected Releases


Description (partial)

CISCO891W-AGN-A-K9:  AP modules (Airconnect, designed by Cisco; Airforce 2, OEM-designed) goes to a failed state and hang up:

IOS Bootloader - Starting system.
Xmodem file system is available.
Bringing up flash file system: 
flashfs[0]: 168 files, 11 directories
flashfs[0]: 0 orphaned files, 0 orphaned directories
flashfs[0]: Total bytes: 31481856
flashfs[0]: Bytes used: 24268288
flashfs[0]: Bytes available: 7213568
flashfs[0]: flashfs fsck took 20 seconds.
Reading cookie from flash parameter block...done.
Base Ethernet MAC address: c4:71:fe:ef:0a:ce
Ethernet Interface initialize. 
Ethernet Interface initialize OK. 
TFTP initialize OK. 

The system is not configured to boot automatically.  The
following command will finish loading the operating system


AP801 Boot Loader (AP801-BOOT-M) Version 12.4(10b)JDA3, RELEASE SOFTWARE (fc1)
Technical Support:
Compiled Sun 07-Jun-09 04:01 by prod_rel_team


Not all units fail with these steps:

1- The Airconnect Part could be accessed via session. 
2- The Airconnect Part could passed the 2.4G and 5G wireless link test. 
3- The received unit's AP has joined with WLC, and the WI-FI able to associated with the received unit's AP.  
4- Keep link for about 2 hours, AP reboot occured. 

When it fails, the AP is hung.
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