Bug ID 606066: LSN_DELETE messages may be lost after HA failover

Last Modified: Oct 06, 2020

Bug Tracker

Affected Product:  See more info
BIG-IP CGN(all modules)

Known Affected Versions:
12.1.0, 12.1.0 HF1, 12.1.0 HF2, 12.1.1, 12.1.1 HF1, 12.1.1 HF2

Fixed In:
13.0.0, 12.1.2

Opened: Jul 20, 2016
Severity: 2-Critical


After a failover, an LSN_DELETE message may be lost if the connection continued after the failover.


An LSN_DELETE message may be missing from the logs.


CGNAT configured as an HA pair, with session logging enabled.



Fix Information

After the fix, the LSN_DELETE message will not be lost.

Behavior Change