Bug ID 1818361: Per-VLAN TCAM rules are incorrectly created for empty "disable" IFC list by dynamic TCAM

Last Modified: Jun 28, 2025

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

Known Affected Versions:
15.1.8, 15.1.8.1, 15.1.8.2, 15.1.9, 15.1.9.1, 15.1.10, 15.1.10.2, 15.1.10.3, 15.1.10.4, 15.1.10.5, 15.1.10.6, 17.1.0, 17.1.0.1, 17.1.0.2, 17.1.0.3, 17.1.1, 17.1.1.1, 17.1.1.2, 17.1.1.3, 17.1.1.4, 17.1.2, 17.1.2.1, 17.1.2.2, 17.5.0, 17.5.1

Opened: Feb 13, 2025

Severity: 3-Major

Symptoms

An excessive number of TCAM rules were created for a virtual.

Impact

In some instances, the TCAM rules database may become exhausted.

Conditions

- single route domain - virtual with empty disable IFC list

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips