// Module included in the following assemblies: // // * networking/configuring_ingress_cluster_traffic/configuring-ingress-cluster-patch-fields.adoc :_mod-docs-content-type: PROCEDURE [id="nw-patch-fields-example_{context}"] = Patching Ingress objects to resolve an ingressWithoutClassName alert The `ingressClassName` field specifies the name of the `IngressClass` object. You must define the `ingressClassName` field for each `Ingress` object. If you have not defined the `ingressClassName` field for an `Ingress` object, you could experience routing issues. After 24 hours, you will receive an `ingressWithoutClassName` alert to remind you to set the `ingressClassName` field. .Procedure Patch the `Ingress` objects with a completed `ingressClassName` field to ensure proper routing and functionality. . List all `IngressClass` objects: + [source,terminal] ---- $ oc get ingressclass ---- . List all `Ingress` objects in all namespaces: + [source,terminal] ---- $ oc get ingress -A ---- . Patch the `Ingress` object: + [source,terminal] ---- $ oc patch ingress/ --type=merge --patch '{"spec":{"ingressClassName":"openshift-default"}}' ---- + Replace `` with the name of the `Ingress` object. This command patches the `Ingress` object to include the desired ingress class name.