Bug ID 2162937: TMM crash when AFM is enabled

Last Modified: Dec 17, 2025

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

Known Affected Versions:
21.0.0

Opened: Nov 28, 2025

Severity: 2-Critical

Symptoms

The BIG-IP system experiences repeated TMM crashes when handling DNS DoS traffic.

Impact

Traffic disrupted while tmm restarts.

Conditions

This issue occurs on BIG-IP AFM version 21.0.0 with DNS DoS

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips