Bug ID 479129: TCP window scaling is not applied when SYN cookies are active

Last Modified: Oct 17, 2023

Affected Product(s):
BIG-IP All(all modules)

Known Affected Versions:
11.3.0

Opened: Sep 12, 2014

Severity: 3-Major

Related Article: K17085

Symptoms

TCP window scaling is not applied, which can be observed in transmitted packets containing small segments that are about the size of the unscaled window.

Impact

Poor performance / throughput.

Conditions

SYN cookies have been activated.

Workaround

None.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips