Last Modified: Apr 11, 2024
Affected Product(s):
BIG-IP All
Known Affected Versions:
11.4.1, 11.5.0, 11.5.1, 11.5.2, 11.5.3, 11.5.4, 11.5.5, 11.5.6, 11.5.7, 11.5.8, 11.5.9, 11.5.10, 11.6.0, 11.6.1, 11.6.2, 11.6.3, 11.6.3.1, 12.0.0, 12.0.0 HF1, 12.1.0 HF1, 12.0.0 HF2, 12.1.0 HF2, 12.0.0 HF3, 12.0.0 HF4, 12.1.1 HF1, 12.1.1 HF2, 12.1.2 HF1, 12.1.2 HF2, 12.1.0, 12.1.1, 12.1.2, 12.1.3, 12.1.3.1, 12.1.3.2, 12.1.3.3, 12.1.3.4, 12.1.3.5, 12.1.3.6
Fixed In:
13.1.0, 12.1.3.7, 11.6.3.2
Opened: Dec 07, 2016 Severity: 2-Critical Related Article:
K13171217
During a failover event, it may be possible that the tmm cores on the newly active box causing another failover event where the next active box then cores again as well in a loop.
Production traffic is no longer serviced or is severely hindered.
May occur during a failover event.
Restarting both active and standby units should stop core loop.
None