Bug ID 1360729: Update of system dns config requires docker restart

Last Modified: Apr 22, 2025

Affected Product(s):
F5OS F5OS(all modules)

Known Affected Versions:
F5OS-A 1.5.0, F5OS-A 1.5.1, F5OS-A 1.5.2, F5OS-A 1.5.3

Opened: Sep 28, 2023

Severity: 3-Major

Symptoms

If no DNS is configured on the OS, container queries via Docker's DNS at 127.0.0.11 default to 8.8.8.8 and 8.8.4.4, even after setting DNS in confd.

Impact

Without docker restart configured dns server are not reflected

Conditions

A docker restart (or reboot) is required to fully effect the change and ensure that containers begin using the actual nameservers defined in confd.

Workaround

Restart the appliance system

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips