Bug ID 942581: Timestamp cookies do not work with hardware accelerated flows

Last Modified: Sep 13, 2023

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

Known Affected Versions:
15.1.0,,,,,, 15.1.1, 16.0.0,, 16.0.1,,

Fixed In:
16.1.0, 15.1.2

Opened: Sep 04, 2020

Severity: 1-Blocking


Time stamp cookies and hardware accelerated flows are mutually exclusive.


Reduced traffic throughput and increased CPU usage


Time stamp cookie enabled for TCP flows on a VLAN with hardware offload enabled as well.



Fix Information

FPGA and software enhancement to allow hardware accelerate of TCP flows that have time stamp cookie enabled.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips