Bug ID 624831: BWC: tmm crash can occur if dynamic BWC policy is used at max-user-rate over 2gbps

Last Modified: Oct 06, 2020

Bug Tracker

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

Known Affected Versions:
12.1.0, 12.1.0 HF1, 12.1.0 HF2, 12.1.1, 12.1.1 HF1, 12.1.1 HF2, 12.1.2

Fixed In:
13.0.0, 12.1.2 HF1

Opened: Oct 25, 2016
Severity: 2-Critical
Related AskF5 Article:
K35359254

Symptoms

tmm crashes while using Bandwidth Control (BWC) dynamic policies.

Impact

tmm crashes. Traffic disrupted while tmm restarts.

Conditions

max-user-rate is set at 2gbps or higher.

Workaround

Use a maximum of 1gbps for dynamic BWC policy max-user-rate.

Fix Information

tmm crashes while using Bandwidth Control (BWC) dynamic policies with max-user-rate set at 2gbps or higher.

Behavior Change

no