Bug ID 1079637: Incorrect Neuron rule order

Last Modified: May 29, 2024

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

Known Affected Versions:
15.1.0.5, 15.1.1, 15.1.2, 15.1.2.1, 15.1.3, 15.1.3.1, 15.1.4, 15.1.4.1, 15.1.5

Fixed In:
17.0.0, 16.1.3, 15.1.5.1

Opened: Feb 09, 2022

Severity: 3-Major

Symptoms

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

Impact

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.

Conditions

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

Workaround

None

Fix Information

The order of the Neuron rules is now correct.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips