Bug ID 753159: Pool IP ToS/QoS settings are not preserved on mirrored FastL4 connections

Last Modified: May 01, 2019

Bug Tracker

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

Known Affected Versions:
13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3, 13.0.1, 13.1.0,,,,,,,,, 13.1.1,,,,,, 14.0.0,,,,, 14.1.0,,,,

Opened: Dec 14, 2018
Severity: 3-Major


Mirrored serverside FastL4 connections do not inherit the IP ToS/QoS values from the selected pool or values set via iRule IP::tos/LINK::qos commands.


IP ToS/QoS values are not set on mirrored connection after failover.


-- FastL4 virtual server with mirroring. -- Pool with non-zero IP ToS/QoS values. or -- iRule with IP::tos/LINK::qos serverside commands


Configure desired IP ToS/QoS values in FastL4 profile

Fix Information


Behavior Change