Bug ID 1035853: Transparent DNS Cache can consume excessive resources.

Last Modified: Jun 07, 2022

Bug Tracker

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

Known Affected Versions:
13.1.0, 13.1.0.1, 13.1.0.2, 13.1.0.3, 13.1.0.4, 13.1.0.5, 13.1.0.6, 13.1.0.7, 13.1.0.8, 13.1.1, 13.1.1.2, 13.1.1.3, 13.1.1.4, 13.1.1.5, 13.1.3, 13.1.3.1, 13.1.3.2, 13.1.3.3, 13.1.3.4, 13.1.3.5, 13.1.3.6, 13.1.4, 13.1.4.1, 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, 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, 16.1.0, 16.1.1

Fixed In:
17.0.0, 16.1.2, 15.1.5, 14.1.4.5, 13.1.5

Opened: Jul 23, 2021
Severity: 2-Critical
Related AskF5 Article:
K41415626

Symptoms

Under certain conditions, the Transparent DNS Cache can consume excessive resources.

Impact

Excessive resource consumption, which can lead to increased server-side load.

Conditions

- The BIG-IP system is licensed for DNS Services - Transparent DNS Cache is configured on a virtual server

Workaround

N/A

Fix Information

The Transparent DNS Cache now consumes resources as expected.

Behavior Change