Investigating the LTM TCP Profile: Quality of Service

Introduction The LTM TCP profile has over thirty settings that can be manipulated to enhance the experience between client and server.  Because the TCP profile is applied to the virtual server, the...
Updated Nov 30, 2023
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JRahm's avatar
JRahm
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May 30, 2013
Default QoS is set to pass through at tcp profile and pool levels. Check to see if maybe that's not the case in your environment. Also, if this is for BIG-IP VE, there is a known issue with vswitches in some hypervisor environments strip the QoS field. You might take a tcpdump and check the field on outgoing packets to see if the BIG-IP is setting (or passing) it properly.