Bug ID 480506: tmm CMP does not delete server side flow when CMP flow response is undeliverable

Last Modified: Nov 07, 2022

Bug Tracker

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

Known Affected Versions:
11.3.0, 11.4.0, 11.4.1, 11.5.0, 11.5.1, 11.5.1 HF1, 11.5.1 HF10, 11.5.1 HF11, 11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4, 11.5.1 HF5, 11.5.1 HF6, 11.5.1 HF7, 11.5.1 HF8, 11.5.1 HF9, 11.5.10, 11.5.2, 11.5.2 HF1, 11.5.3, 11.5.3 HF1, 11.5.3 HF2, 11.5.4, 11.5.4 HF1, 11.5.4 HF2, 11.5.4 HF3, 11.5.4 HF4, 11.5.5, 11.5.6, 11.5.7, 11.5.8, 11.5.9

Fixed In:
11.4.1 HF9

Opened: Sep 22, 2014
Severity: 3-Major
Related Article:
K16597

Symptoms

When a CMP message arrives at the originator (processing unit, thread), and the original connflow is already removed (because of early abort/reset) tmm CMP does not delete the server side flow when the CMP flow response is undeliverable.

Impact

System runs Out of Memory over time, leading to a tmm crash. Traffic interrupted by tmm crashing.

Conditions

This occurs when the CMP flow response is undeliverable.

Workaround

None.

Fix Information

tmm CMP now correctly deletes server side flow when CMP flow response is undeliverable.

Behavior Change