Bug ID 679752: Connections may fail when iRule LSN::port is used, L4 mirroring is enabled and LSN pool/AFM dynamic-pat NAPT mode is configured with default DAG

Last Modified: May 01, 2019

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, 12.1.2, 12.1.2 HF1, 12.1.2 HF2, 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, 12.1.3.7, 12.1.4, 12.1.4.1, 13.1.0, 13.1.0.1, 13.1.0.2, 13.1.0.3, 13.1.0.4, 13.1.0.5, 13.1.0.6, 13.1.0.7, 13.1.0.8, 13.1.1, 13.1.1.1, 13.1.1.2, 13.1.1.3, 13.1.1.4, 13.1.1.5, 14.0.0, 14.0.0.1, 14.0.0.2, 14.0.0.3, 14.0.0.4, 14.1.0, 14.1.0.1, 14.1.0.2, 14.1.0.3, 14.1.0.4

Opened: Aug 22, 2017
Severity: 3-Major

Symptoms

Connections may fail even when no colliding flows are present that use the same translation IP and port. /var/log/ltm contains tmm informational logs: "Requested Port busy"

Impact

Connections fail, with log "Requested Port busy"

Conditions

LSN::port iRule command is used, L4 mirroring is enabled and LSN pool/AFM dynamic-pat NAPT modes is configured with default DAG.

Workaround

NA

Fix Information

None

Behavior Change