Bug ID 1079637: Incorrect Neuron rule order

Last Modified: May 29, 2024

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

Known Affected Versions:, 15.1.1, 15.1.2,, 15.1.3,, 15.1.4,, 15.1.5

Fixed In:
17.0.0, 16.1.3,

Opened: Feb 09, 2022

Severity: 3-Major


The order of Neuron rules created for the virtual servers may be incorrect.


There are several features that rely on the Neuron rules. In case of hardware SYN Cookie a TCP virtual server may not receive the TCP SYN packets even if the virtual server is not in SYN Cookie mode. Some sPVA feature may behave unexpectedly.


- Platforms with Neuron support (BIG-IP iSeries and Viprion B4450 blade) configured with a Turboflex profile other than turboflex-base.



Fix Information

The order of the Neuron rules is now correct.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips