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Cisco Bug: CSCvt48941 - FTD Standby unit does not join HA due to "HA state progression failed due to APP SYNC timeout"

Last Modified

Oct 13, 2020

Products (1)

  • Cisco Firepower Management Center Virtual Appliance

Known Affected Releases

6.4.0 6.5.0 6.6.0

Description (partial)

Symptom:
Simulate a power outage, both FTDs will restart, once which is standby does not move to hot standby and gets to disabled state.

> show failover history 
==========================================================================
From State                 To State                   Reason
==========================================================================
18:00:10 UTC Mar 19 2020
Not Detected               Disabled                   No Error

18:00:12 UTC Mar 19 2020
Disabled                   Negotiation                Set by the config command

18:00:19 UTC Mar 19 2020
Negotiation                Cold Standby               Detected an Active mate

18:00:20 UTC Mar 19 2020
Cold Standby               App Sync                   Detected an Active mate

18:11:41 UTC Mar 19 2020
App Sync                   Disabled                   HA state progression failed due to APP SYNC timeout

Conditions:
Issue does not happen with graceful reload of FTDs at same time. Its only seen in case of power outage scenario.
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