Bug ID 716716: Under certain circumstances, having a kernel route but no TMM route can lead to a TMM core

Last Modified: Sep 13, 2023

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

Known Affected Versions:
12.1.2, 12.1.3, 12.1.3.1, 12.1.3.2, 12.1.3.3, 12.1.3.4, 12.1.3.5, 12.1.3.6, 12.1.3.7, 12.1.4, 13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3, 13.0.1, 13.1.0, 13.1.0.1, 13.1.0.2, 13.1.0.3, 13.1.0.4, 13.1.0.5, 13.1.0.6, 13.1.0.7, 13.1.0.8, 13.1.1, 13.1.1.2, 13.1.1.3, 14.0.0, 14.0.0.1, 14.0.0.2

Fixed In:
14.1.0, 14.0.0.3, 13.1.1.4, 12.1.4.1

Opened: Apr 24, 2018

Severity: 3-Major

Symptoms

TMM cores when the system has a kernel route configured, but no matching TMM route.

Impact

TMM cores. Traffic disrupted while tmm restarts.

Conditions

The scenario that can lead to this state is unknown.

Workaround

Either remove the kernel route, or add a matching TMM route.

Fix Information

This release prevents the core that occurred when the kernel has a route that has no corresponding TMM route.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips