Bug ID 453432: TMM crash when reloading a large NVGRE config multiple times

Last Modified: Apr 28, 2025

Affected Product(s):
BIG-IP LTM(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

Fixed In:
11.6.0, 11.5.1 HF5

Opened: Mar 21, 2014

Severity: 2-Critical

Related Article: K16367

Symptoms

TMM crashes when reloading a large NVGRE config multiple times.

Impact

The crash happens only after multiple reloads. After TMM restarts, the system is stable.

Conditions

Reloading a large NVGRE config (greater than 1000 NVGRE tunnels) multiple times in a row causes a TMM crash.

Workaround

There is no workaround to this issue.

Fix Information

Fixed a number of NVGRE config cleanup issues that were causing the crash.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips