Bug ID 590992: If IP address on network adapter changes but DNS remains unchanged, DNS resolution stops working

Last Modified: Nov 07, 2022

Bug Tracker

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

Known Affected Versions:
12.1.0, 12.1.0 HF1, 12.1.0 HF2, 12.1.1, 12.1.1 HF1, 12.1.1 HF2, 12.1.2, 12.1.2 HF1, 12.1.2 HF2, 12.1.3, 12.1.3.1

Fixed In:
13.0.0, 12.1.3.2

Opened: May 03, 2016
Severity: 3-Major

Symptoms

- If an IP address on an interface changes after the connection to APM is established, DNS resolution stops working if the DNS on that adapter has not changed. - DNS resolution stops working until DNS relay proxy service is restarted or stopped.

Impact

DNS resolution stops working until DNS relay proxy is stopped or restarted.

Conditions

- Using Microsoft Windows version 10. - Split tunneling configuration with split DNS scope. - IP address on the network adapter changes after the connection to APM is established, but the DNS on that adapter remains unchanged. - This might also occur when adapter 1 goes down and adapter 2 with same DNS as adapter 1 comes up.

Workaround

Stop or restart DNS relay proxy.

Fix Information

This issue has been fixed.

Behavior Change