Bug ID 966785: Rate Shaping stops TCP retransmission

Last Modified: May 29, 2024

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

Known Affected Versions:
17.1.0, 17.0.0, 16.1.2, 16.1.1, 16.1.0, 16.0.1, 16.0.0, 15.1.8, 15.1.5, 15.1.4, 15.1.3, 15.1.2, 15.1.1, 15.1.0,,,,,,,,,, 14.1.4, 14.1.3,,,,,,,,

Opened: Nov 23, 2020

Severity: 3-Major


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.


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


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



Fix Information


Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips