Bug ID 452656: NVGRE tunnel traffic might stall if the sys db variable tm.tcplargereceiveoffload is set to 'enable'

Last Modified: Feb 13, 2019

Bug Tracker

Affected Product:  See more info
BIG-IP APM(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, 11.5.2, 11.5.2 HF1

Fixed In:
11.6.0, 11.5.3

Opened: Mar 17, 2014
Severity: 1-Blocking
Related AskF5 Article:
K16547

Symptoms

NVGRE tunnel traffic might stall if the sys db variable tm.tcplargereceiveoffload is set to 'enable'.

Impact

NVGRE tunnel traffic might stall.

Conditions

The sys db variable tm.tcplargereceiveoffload is set to 'enable'.

Workaround

Set the sys db variable tm.tcplargereceiveoffload to 'disable'. The default value of this variable is 'disable', so it is very unlikely that you will encounter this error condition in normal operating conditions.

Fix Information

NVGRE tunnel traffic no longer stalls when the sys db variable tm.tcplargereceiveoffload is set to 'enable'.

Behavior Change