DNS forwarding in OSD/ROSA clusters
Environment
- Red Hat OpenShift Service on AWS (ROSA)
- 4
- Red Hat OpenShift Dedicated (OSD)
- 4
Issue
- Is DNS forwarding supported in OSD/ROSA clusters?
- How to configure the DNS forwarding in OSD or ROSA cluster.
Resolution
The DNS forwarding is possible in OSD and ROSA clusters configuring the DNS operator as explained in the Red Hat OpenShift Container Platform documentation: Using DNS forwarding.
Root Cause
The DNS forwarding is possible in OSD and ROSA.
Diagnostic Steps
Check the content of the DNS operator:
$ oc get dns.operator default -o yaml
Check the configuration in the DNS configmap:
$ oc get cm dns-default -n openshift-dns -o yaml
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