Merge pull request #47472 from SNiemann15/ipv6_router

[BZ2083843] IPv6 Dual-stack add prereq and further procedure

Author: stevsmit

modules/nw-dual-stack-convert-back-single-stack.adoc

@@ -0,0 +1,26 @@
+:_content-type: PROCEDURE
+[id="nw-dual-stack-convert-back-single-stack_{context}"]
+= Converting to a single-stack cluster network
+
+As a cluster administrator, you can convert your dual-stack cluster network to a single-stack cluster network.
+
+.Prerequisites
+
+* You installed the OpenShift CLI (`oc`).
+* You are logged in to the cluster with a user with `cluster-admin` privileges.
+* Your cluster uses the OVN-Kubernetes cluster network provider.
+* The cluster nodes have IPv6 addresses.
+* You have enabled dual-stack networking.
+
+.Procedure
+
+. Edit the `Network.operator.openshift.io` custom resource (CR) by running the
+following command:
++
+[source,terminal]
+----
+$ oc edit networks.operator.openshift.io
+----
+
+. Remove the IPv6 specific configuration that you have added to the `cidr` and `hostPrefix` fields in the previous procedure.
+

modules/nw-dual-stack-convert.adoc

@@ -15,6 +15,7 @@ After converting to dual-stack networking only newly created pods are assigned I
 * You are logged in to the cluster with a user with `cluster-admin` privileges.
 * Your cluster uses the OVN-Kubernetes cluster network provider.
 * The cluster nodes have IPv6 addresses.
+* You have configured an IPv6-enabled router based on your infrastructure.
 
 .Procedure
 

networking/ovn_kubernetes_network_provider/converting-to-dual-stack.adoc

@@ -11,7 +11,8 @@ After converting to dual-stack, all newly created pods are dual-stack enabled.
 
 [NOTE]
 ====
-A dual-stack network is supported on clusters provisioned on bare metal infrastructure only.
+A dual-stack network is supported on clusters provisioned on bare metal and IBM Power infrastructure only.
 ====
 
 include::modules/nw-dual-stack-convert.adoc[leveloffset=+1]
+include::modules/nw-dual-stack-convert-back-single-stack.adoc[leveloffset=+1]