Bug ID 966785: Rate Shaping stops TCP retransmission

Last Modified: Sep 06, 2022

Bug Tracker

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

Known Affected Versions:
17.0.0, 16.1.2, 16.1.1, 16.1.0, 16.0.1, 16.0.0, 15.1.5, 15.1.4, 15.1.3, 15.1.2, 15.1.1, 15.1.0, 15.0.1.3, 15.0.1.2, 15.0.1.1, 14.1.4.6, 14.1.4.5, 14.1.4.4, 14.1.4.3, 14.1.4.2, 14.1.4.1, 14.1.4, 14.1.3, 14.1.2.8, 14.1.2.7, 14.1.2.6, 14.1.2.5, 14.1.2.4, 14.1.2.3, 14.1.2.2, 14.1.2.1

Opened: Nov 23, 2020
Severity: 3-Major

Symptoms

When rate shaping is applied to a virtual server, the BIG-IP system does not retransmit unacknowledged data segments, even when the BIG-IP system receives a duplicate ACK.

Impact

The BIG-IP system does not retransmit unacknowledged data segments.

Conditions

This issue occurs when both of the following conditions are met: -- Virtual server configured with a rate shaping. -- Standard type of virtual server.

Workaround

None

Fix Information

None

Behavior Change