Bug ID 665022: Rateshaper stalls when TSO packet length exceeds max ceiling.

Last Modified: May 14, 2019

Bug Tracker

Affected Product:  See more info
BIG-IP All(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, 12.1.2 HF1, 12.1.2 HF2, 12.1.3, 12.1.3.1, 13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3, 13.0.1

Fixed In:
13.1.0, 12.1.3.2

Opened: May 16, 2017
Severity: 3-Major
Related AskF5 Article:
K32120323

Symptoms

If a TCP Segmentation Offload (TSO) packet length exceeds the rateshaper's max ceiling, it causes the flow to stall.

Impact

The flow stalls.

Conditions

Packet length exceeds rateshaper's configured max ceiling.

Workaround

Increase the configured rateshaper's max ceiling value to be larger than the largest packet length.

Fix Information

Rateshaper no longer stalls when TSO packet length exceeds max ceiling.

Behavior Change