Bug ID 558631: APM Network Access VPN feature may leak memory

Last Modified: May 29, 2024

Affected Product(s):
BIG-IP APM(all modules)

Known Affected Versions:
11.4.0, 11.4.1, 11.6.0, 12.0.0, 12.0.0 HF1, 12.1.0 HF1, 12.0.0 HF2, 12.1.0 HF2, 12.1.1 HF1, 12.1.1 HF2, 12.1.2 HF1, 12.1.2 HF2

Fixed In:
12.1.0, 12.0.0 HF3, 11.6.1, 11.5.4 HF2, 11.4.1 HF10

Opened: Nov 17, 2015

Severity: 3-Major

Related Article: K81306414


VPN connections may cause memory usage to increase with the memory never being reclaimed.


Slow memory leak over time with eventual out-of-memory condition, performance degradation, and traffic outage.


-- APM Network Access feature is configured. -- VPN connections are being established.


No workaround short of not using the APM Network Access feature.

Fix Information

The APM Network Access VPN feature no longer leaks memory.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips