diff --git a/modules/installation-two-node-ingress-lb-configuration.adoc b/modules/installation-two-node-ingress-lb-configuration.adoc index d6cfc74c3575..f3a35ef68941 100644 --- a/modules/installation-two-node-ingress-lb-configuration.adoc +++ b/modules/installation-two-node-ingress-lb-configuration.adoc @@ -2,27 +2,32 @@ [id="two-node-ingress-lb-configuration_{context}"] = Configuring an Ingress load balancer for a two-node cluster with fencing -You must configure an external Ingress load balancer (LB) before you install a two-node OpenShift cluster with fencing. The Ingress LB forwards external application traffic to the Ingress Controller pods that run on the control plane nodes. Both nodes can actively receive traffic. +[role="_abstract"] +Configure an external Ingress load balancer to forward application traffic to Ingress Controller pods on control plane nodes. You must configure this load balancer before installing a two-node OpenShift cluster with fencing to allow both nodes to actively receive traffic. + +[NOTE] +==== +An external load balancer is recommended for production deployments but is not required. +==== .Prerequisites -* You have two control plane nodes with fencing enabled. -* You have network connectivity from the load balancer to both control plane nodes. -* You created DNS records for `api..` and `*.apps..`. -* You have an external load balancer that supports health checks on endpoints. +* You have two control plane nodes with fencing enabled. +* You have network connectivity from the load balancer to both control plane nodes. +* You created DNS records for `api..` and `*.apps..`. .Procedure . Configure the load balancer to forward traffic for the following ports: + -* `6443`: Kubernetes API server +* `6443`: Kubernetes API server * `80` and `443`: Application ingress + You must forward traffic to both control plane nodes. . Configure health checks on the load balancer. You must monitor the backend endpoints so that the load balancer only sends traffic to nodes that respond. -. Configure the load balancer to forward traffic to both control plane nodes. The following example shows how to configure two control plane nodes: +. Configure the load balancer to forward traffic to both control plane nodes. The following example shows how to configure two control plane nodes: + [source,terminal] ----