Bug ID 510162: potential TMM crash when AFM DoS Sweep & Flood is configured

Last Modified: Apr 10, 2019

Bug Tracker

Affected Product:  See more info
BIG-IP AFM(all modules)

Known Affected Versions:
11.5.1, 11.5.1 HF1, 11.5.1 HF10, 11.5.1 HF11, 11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4, 11.5.1 HF5, 11.5.1 HF6, 11.5.1 HF7, 11.5.1 HF8, 11.5.1 HF9, 11.5.2

Fixed In:
11.5.2 HF1

Opened: Mar 02, 2015
Severity: 2-Critical

Symptoms

TMM could crash and restart.

Impact

Traffic disrupted while tmm restarts.

Conditions

If you have AFM DoS Sweep & Flood vector configured and incoming traffic at such a rate that this vector is being triggered then there is a possibility of getting this crash.

Workaround

Do not configure the AFM Sweep & Flood DoS vector.

Fix Information

Codefix has been checked in to resolve the crash bug.

Behavior Change