Bug ID 467981: DNS Relay proxy service never uses secondary DNS

Last Modified: Sep 13, 2023

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

Known Affected Versions:
11.4.1, 11.5.0, 11.5.1, 11.5.2, 11.5.3, 11.5.4, 11.5.5, 11.5.6, 11.5.7, 11.5.8, 11.5.9, 11.5.10, 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, 12.1.0 HF1, 12.1.0 HF2, 12.1.1 HF1, 12.1.1 HF2, 12.1.2 HF1, 12.1.2 HF2

Fixed In:
12.0.0

Opened: Jun 19, 2014

Severity: 3-Major

Symptoms

DNS Relay proxy services never uses secondary DNS even if primary fails

Impact

In case if primary DNS goes down name resolving doesn't work at all when NA is established.

Conditions

Networks access is used with Split tunneling enabled, DNS relay proxy service is installed on client machine.

Workaround

None

Fix Information

Now DNS Relay proxy service uses both DNS servers.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips