Bug ID 493807: TMM might crash when using PPTP with profile logging enabled

Last Modified: Apr 28, 2025

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

Known Affected Versions:
11.5.0, 11.5.1, 11.5.1 HF1, 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, 11.5.1 HF10, 11.5.1 HF11, 11.5.2, 11.5.2 HF1, 11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4

Fixed In:
12.0.0, 11.6.0 HF5, 11.5.3

Opened: Dec 02, 2014

Severity: 2-Critical

Related Article: K15989

Symptoms

TMM might crash when using PPTP with profile logging enabled.

Impact

Traffic disrupted while tmm restarts.

Conditions

This occurs when the following conditions are met: -- PPTP-ALG with log profile enabled. -- CGNAT configured.

Workaround

Disable logging from the PPTP profile.

Fix Information

Using PPTP with profile logging now works correctly and no longer causes TMM to crash.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips