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,,,,,,,, 12.1.4, 13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3, 13.0.1, 13.1.0,,,,,,,,, 13.1.1,,, 14.0.0,,

Fixed In:

Opened: Apr 24, 2018

Severity: 3-Major


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


TMM cores. Traffic disrupted while tmm restarts.


The scenario that can lead to this state is unknown.


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