Bug ID 514635: TMM Cores with D-SACK

Last Modified: Apr 10, 2019

Bug Tracker

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

Known Affected Versions:
11.5.0, 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, 11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4

Fixed In:
12.0.0, 11.6.0 HF5, 11.5.2

Opened: Mar 26, 2015
Severity: 2-Critical

Symptoms

When TCP SACK and D-SACK are enabled, TMM may crash.

Impact

Traffic disrupted while tmm restarts.

Conditions

TCP SACK and D-SACK enabled.

Workaround

Disable D-SACK.

Fix Information

None

Behavior Change