Bug ID 1125189: Adding or removing iRules from a virtual server with traffic matching criteria may cause that virtual server to stop passing traffic

Last Modified: Aug 04, 2022

Bug Tracker

Affected Product:  See more info
BIG-IP LTM, TMOS(all modules)

Known Affected Versions:
14.1.0, 14.1.0.1, 14.1.0.2, 14.1.0.3, 14.1.0.5, 14.1.0.6, 14.1.2, 14.1.2.1, 14.1.2.2, 14.1.2.3, 14.1.2.4, 14.1.2.5, 14.1.2.6, 14.1.2.7, 14.1.2.8, 14.1.3, 14.1.3.1, 14.1.4, 14.1.4.1, 14.1.4.2, 14.1.4.3, 14.1.4.4, 14.1.4.5, 14.1.4.6, 14.1.5, 15.0.0, 15.0.1, 15.0.1.1, 15.0.1.2, 15.0.1.3, 15.0.1.4, 15.1.0, 15.1.0.1, 15.1.0.2, 15.1.0.3, 15.1.0.4, 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, 15.1.5.1, 15.1.6, 15.1.6.1_RELEASE, 16.0.0, 16.0.0.1, 16.0.1, 16.0.1.1, 16.0.1.2, 16.1.0, 16.1.1, 16.1.2, 16.1.2.1, 16.1.2.2, 16.1.3, 17.0.0

Fixed In:
17.0.0.1, 16.1.3.1, 14.1.5.1

Opened: Jul 08, 2022
Severity: 2-Critical

Symptoms

When an iRule is added to or removed from a virtual server that contains a traffic matching criteria object, the virtual-address may be improperly removed from the config which will cause the virtual to stop passing traffic.

Impact

Virtual server may stop processing traffic

Conditions

-- Traffic matching criteria in use. -- iRules are added or removed.

Workaround

Modify the virtual server again. Changing the description field in the GUI or tmsh is sufficient.

Fix Information

None

Behavior Change