Last Modified: Apr 28, 2025
Affected Product(s):
BIG-IP LTM
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, 12.1.2, 12.1.2 HF1, 12.1.2 HF2, 13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3
Fixed In:
13.1.0, 13.0.1, 12.1.3
Opened: Mar 25, 2017 Severity: 3-Major Related Article:
K45770397
Connections can fail intermittently when multiple clients use the same ephemeral port to connect to BIG-IP and are SNATted to the same address.
Service interruption due to intermittent connection failures.
When SNAT/Automap is configured with SP-DAG and virtual server source-port setting is "preserve".
None.
Connections no longer fail intermittently with SNAT/automap, SP-DAG and virtual server source-port=preserve.