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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)

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

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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