Bug ID 611320

Bug ID 611320: Mirrored connection on Active unit of HA pair may be unexpectedly torndown

Last Modified: Apr 28, 2025

Affected Product(s):
BIG-IP LTM(all modules)

Known Affected Versions:
12.0.0, 12.0.0 HF1, 12.0.0 HF2, 12.0.0 HF3, 12.0.0 HF4, 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: Aug 16, 2016

Severity: 3-Major

Mirrored connection on Active unit is torn down. TCP connection is RST with cause of 'HA Expire flow'.

Traffic loss.

Mirrored connection on Standby unit times out due state mismatch with connection on Active unit.

Disable mirroring.

The system no longer mirrors connflow expiration from Standby to Active. This is correct behavior.