// Module included in the following assemblies:
//
// * hosted_control_planes/hcp-troubleshooting.adoc

:_mod-docs-content-type: PROCEDURE
[id="hcp-ts-identical-subnet-fields_{context}"]
= Setting CIDR values in internal subnet fields

[role="_abstract"]
If the `internalJoinSubnet` field and the `internalTransitSwitchSubnet` field are set to the same classless inter-domain routing (CIDR) values, an error occurs.

.Procedure

* Use different subnets for each field, as shown in the following example:
+
[source,yaml]
----
apiVersion: hypershift.openshift.io/v1beta1
kind: HostedCluster
metadata:
  # ...
spec:
  #...
  operatorConfiguration:
    clusterNetworkOperator:
      ovnKubernetesConfig:
        ipv4:
          internalJoinSubnet: "100.99.0.0/16"
          internalTransitSwitchSubnet: "100.69.0.0/16"
# ...
----
