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APs lose network connections, cannot find the home IdentiFi appliance, and revert to an older version of firmware.

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TitleAPs lose network connections, cannot find the home IdentiFi appliance, and revert to an older version of firmware.
Symptoms
APs lose network connections, cannot find the home IdentiFi appliance, and revert to an older version of firmware.
Environment
  • IdentiFi Wireless appliances
  • ExtremeWireless appliances
    • C5210
    • AP3765
    • AP3715
  • firmware 9.12.02 or earlier
Cause
If the AP cannot find any of its homed appliances to reconnect, the AP will either reboot to an earlier firmware version, or continue a reboot cycle until manual intervention brings it back online.
Resolution
  • Please upgrade to 9.15.06 or higher.
  • Please gather all tech support files, AP trace logs, and if possible, Wired or Wireless packet captures from the port where the AP is connected into the network.
  • Please investigate the physical connection between the Access Point and the switch port.  Verify that no cable deterioration has occurred.
  • Verify the network time between AP, Wireless appliance, and any network time/DHCP/DNS servers is still the same among all items.
Additional notes
Update: After 01-January, 2017, please upgrade to either the 9.21.xx firmware track or the 10.21.xx/10.31.xx firmware tracks.
  • If the ExtremeWireless network is still on 9.12.xx, please upgrade to 9.15.10, then upgrade to a 9.21.xx firmware version.
  • Once on the latest 9.21.xx firmware, you can remain on this version, or go to the 10.21.xx or 10.31.xx firmware.

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