Bug ID 606940: Clustered Multiprocessing (CMP) peer connection may not be removed

Last Modified: Nov 07, 2022

Bug Tracker

Affected Product:  See more info
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: Jul 26, 2016
Severity: 3-Major


- High memory usage due to connflow allocations - conn_remove_cf_not_found stat is non-zero


Low memory may lead to allocation failures that may lead to tmm core


CMP with multiple TMMs. CMP peer connection is removed before it has been established.



Fix Information

Fix validation performed on parsed CMP flow keys that allows unknown CMP connections to be removed.

Behavior Change