Bug ID 981689: TMM memory leak with IPsec ALG

Last Modified: May 06, 2021

Bug Tracker

Affected Product:  See more info
BIG-IP AFM, CGN(all modules)

Known Affected Versions:
14.1.0,,,,,, 14.1.2,,,,,,,,, 14.1.3,, 14.1.4,, 15.0.0, 15.0.1,,,,, 15.1.0,,,,,, 15.1.1, 15.1.2,, 15.1.3, 16.0.0,, 16.0.1,

Fixed In:

Opened: Jan 13, 2021
Severity: 2-Critical


TMM crash due to out of memory.


TMM reaches memory limits. Traffic disrupted while tmm restarts.


-- IPsec ALG virtual server in BIG-IP passes traffic normally. -- IPsec ALG connections are aborted. A common cause of IPsec ALG failure is CGNAT translation failures.



Fix Information

Fixed a tmm memory leak related to IPsec ALG connections.

Behavior Change