Bug ID 520928: Virtual server page becomes unresponsive with 'Display Host Names When Possible' enabled and DNS unreachable.

Last Modified: Sep 13, 2023

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

Known Affected Versions:
11.4.1, 11.6.0, 11.6.1, 11.6.2, 11.6.3, 11.6.3.1, 11.6.3.2, 11.6.3.3, 11.6.3.4, 11.6.4, 11.6.5, 11.6.5.1, 11.6.5.2, 11.6.5.3, 12.0.0, 12.0.0 HF1, 12.1.0 HF1, 12.0.0 HF2, 12.1.0 HF2, 12.0.0 HF3, 12.0.0 HF4, 12.1.1 HF1, 12.1.1 HF2, 12.1.2 HF1, 12.1.2 HF2, 12.1.0, 12.1.1, 12.1.2, 12.1.3, 12.1.3.1, 12.1.3.2, 12.1.3.3, 12.1.3.4, 12.1.3.5, 12.1.3.6, 12.1.3.7, 12.1.4, 12.1.4.1, 12.1.5, 12.1.5.1, 12.1.5.2, 12.1.5.3, 12.1.6

Opened: Apr 30, 2015

Severity: 3-Major

Related Article: K16553

Symptoms

Virtual server page becomes unresponsive with 'Display Host Names When Possible' enabled and DNS unreachable.

Impact

The GUI might become unresponsive.

Conditions

This occurs when the following conditions are met: -- 'Display Host Names When Possible is enabled. -- The configured DNS servers are responding with ServFail or not responding at all (unreachable).

Workaround

Use TMSH to display virtual servers when 'Display Host Names When Possible' is enabled. Or disable 'Display Host Names When Possible'.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips