Bug ID 570949: Validation does not prevent invalid use of 'virtual' command in ACCESS_SESSION_CLOSED iRule events.

Last Modified: Apr 10, 2019

Bug Tracker

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

Known Affected Versions:
11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4, 11.6.0 HF5, 11.6.0 HF6, 11.6.0 HF7, 11.6.0 HF8, 11.6.1, 11.6.1 HF1, 11.6.1 HF2, 11.6.2, 11.6.2 HF1, 11.6.3, 11.6.3.1, 11.6.3.2, 11.6.3.3, 11.6.3.4, 11.6.4, 12.0.0, 12.0.0 HF1, 12.0.0 HF2, 12.0.0 HF3, 12.0.0 HF4

Fixed In:
12.1.0

Opened: Feb 01, 2016
Severity: 2-Critical
Related AskF5 Article:
K52561520

Symptoms

Validation does not prevent use of 'virtual' command in ACCESS_SESSION_CLOSED iRule events. when there is no associated virtual.

Impact

TMM crash and restart. Traffic disrupted while tmm restarts.

Conditions

Using the 'virtual' command during ACCESS_SESSION_CLOSED event when there is no associated virtual.

Workaround

Avoid using 'virtual' command in ACCESS_SESSION_CLOSED event.

Fix Information

Validation now handles using the 'virtual' command in ACCESS_SESSION_CLOSED iRule events when validation fails because there is no associated virtual. The system posts an error that the use of 'virtual' in this context is not supported.

Behavior Change