How to set the OpenShift DNS Operator as "unmanaged" and enable "force_tcp"?
Issue
One of the issues when enabling force_tcp
as a workaround would be if you see following in the CoreDNS logs:
[ERROR] plugin/errors: dns: overflowing header size
Environment
- Red Hat OpenShift Container Platform
- 4.7
- 4.6
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.