Bug ID 580059: DNS Relay proxy component of edge client on windows consumes lot of CPU cycles

Last Modified: Oct 01, 2018

Bug Tracker

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

Known Affected Versions:
12.0.0, 12.0.0 HF1, 12.0.0 HF2

Fixed In:
13.0.0, 12.1.0, 12.0.0 HF3

Opened: Mar 12, 2016
Severity: 2-Critical

Symptoms

In certain conditions, DNS relay proxy component of edge clients goes in a state where it takes most of the CPU cycles and starts filling up the log file very quickly with messages of 'Unknown event signaled'

Impact

User's machine will become very slow and appear to be unresponsive.

Conditions

DNS Relay proxy is installed on user's machine

Workaround

Stop DNS Relay proxy service from service control manager.

Fix Information

Fixed DNS relay proxy so it does not go in a state where it starts consuming huge CPU cycles.

Behavior Change