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Cisco Bug: CSCua84308 - ASA failover cluster does not recover after unexpected failover

Last Modified

Mar 01, 2018

Products (1)

  • Cisco ASA 5500-X Series Firewalls

Known Affected Releases


Description (partial)


ASA may experience unexpected failover event. Failover cluster may not recover after failover. Primary unit may get stuck in Cold Standby state and Secondary unit may get stuck in Failed state, although CPU and memory resources are available and failover link is connected back-to-back.


This was observed on ASA5585-SSP-60 8.4(3)9 A/A failover pair. Exact conditions that lead to this failure are not known yet.
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