Bug ID 1287821: Missing Neuron/TCAM rules

Last Modified: Mar 30, 2024

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

Known Affected Versions:
15.1.8,,, 15.1.9,, 17.1.0,,,

Fixed In:
17.1.1, 15.1.10

Opened: Apr 12, 2023

Severity: 3-Major


- Neuron/TCAM rules are missing for a virtual server that has a rule based feature activated. - /var/log/ltm has the following error : Apr 12 02:31:14 bigip1 err tmm5[23326]: 01010331:3: Neuron client neuron_app_dyn_tcam failed with rule add(request full)


Features that rely on the Neuron/TCAM rules are not fully offloaded to hardware and thus fall back to software.


- On platforms with Neuron/TCAM support. - A single virtual server requires more than 16 rules.



Fix Information

Rules are created correctly for all virtual servers.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips