Bug ID 696383: PEM Diameter incomplete flow crashes when sweeped

Last Modified: Sep 13, 2023

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

Known Affected Versions:
11.6.1, 11.6.2, 11.6.3, 11.6.3.1, 11.6.3.2, 11.6.3.3, 11.6.3.4, 11.6.4, 11.6.5, 11.6.5.1, 11.6.5.2, 11.6.5.3, 12.0.0, 12.0.0 HF1, 12.1.0 HF1, 12.0.0 HF2, 12.1.0 HF2, 12.0.0 HF3, 12.0.0 HF4, 12.1.1 HF1, 12.1.1 HF2, 12.1.2 HF1, 12.1.2 HF2, 12.1.0, 12.1.1, 12.1.2, 12.1.3, 12.1.3.1, 13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3, 13.1.0, 13.1.0.1, 13.1.0.2, 13.1.0.3

Fixed In:
14.0.0, 13.1.0.4, 13.0.1, 12.1.3.2

Opened: Nov 28, 2017

Severity: 2-Critical

Symptoms

If a PEM Diameter flow is not fully created, for example suspended by an iRule, the sweeper may encounter a tmm crash.

Impact

The tmm restarts and all flows reset. Traffic disrupted while tmm restarts.

Conditions

-- PEM Diameter flow not fully created. -- The flow is suspended by an iRule. -- There is a CMP state change (likely) or a manual cluster-mirror change (less likely) while the flow is suspended.

Workaround

None.

Fix Information

The PEM diameter flow is now created in such a way to prevent any crash by the sweeper.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips