Bug ID 745261: The TMM process may crash in some tunnel cases

Last Modified: Jul 13, 2024

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

Known Affected Versions:
12.1.2, 12.1.2 HF1, 12.1.2 HF2, 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, 12.1.4.1, 12.1.5, 12.1.5.1, 12.1.5.2, 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, 13.1.1.4, 13.1.1.5, 13.1.3, 13.1.3.1, 13.1.3.2, 13.1.3.3, 13.1.3.4, 14.0.0, 14.0.0.1, 14.0.0.2, 14.0.0.3, 14.0.0.4, 14.0.0.5, 14.0.1, 14.0.1.1, 14.1.0, 14.1.0.1, 14.1.0.2, 14.1.0.3, 14.1.0.5, 14.1.0.6, 14.1.2, 14.1.2.1, 14.1.2.2, 14.1.2.3, 14.1.2.4, 14.1.2.5, 14.1.2.6, 14.1.2.7

Fixed In:
15.0.0, 14.1.2.8, 13.1.3.5, 12.1.5.3

Opened: Sep 26, 2018

Severity: 3-Major

Symptoms

When Direct Server Return (DSR) or asymmetric routing with a tunnel is deployed, the TMM process may crash.

Impact

The TMM process crashes.Traffic disrupted while tmm restarts.

Conditions

There are two scenarios that may lead to this issue: Scenario 1: DSR - DSR is deployed. Scenario 2: Asymmetric routing - The sys db variable connection.vlankeyed is set to 'disable'. - A VLAN and a tunnel are used to handle asymmetric routing.

Workaround

None.

Fix Information

The TMM process no longer crashes.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips