From a34b91cca57e2ae0ae2991bf76faf65ef273da3f Mon Sep 17 00:00:00 2001 From: Michael Burke Date: Thu, 13 Jun 2024 14:55:34 -0400 Subject: [PATCH] WMCO: 240.0.0.0 should not be used for clusters that will enable Windows workload --- modules/windows-containers-release-notes-limitations.adoc | 2 ++ windows_containers/enabling-windows-container-workloads.adoc | 5 +++++ 2 files changed, 7 insertions(+) diff --git a/modules/windows-containers-release-notes-limitations.adoc b/modules/windows-containers-release-notes-limitations.adoc index 8a1cbfab25..8ecd0a7804 100644 --- a/modules/windows-containers-release-notes-limitations.adoc +++ b/modules/windows-containers-release-notes-limitations.adoc @@ -31,6 +31,8 @@ Note the following limitations when working with Windows nodes managed by the WM * {productwinc} does not support any Windows operating system language other than English (United States). +* Due to a limitation within the Windows operating system, `clusterNetwork` CIDR addresses of class E, such as `240.0.0.0`, are not compatible with Windows nodes. + * Kubernetes has identified the following link:https://kubernetes.io/docs/concepts/windows/intro/#limitations[node feature limitations] : ** Huge pages are not supported for Windows containers. ** Privileged containers are not supported for Windows containers. diff --git a/windows_containers/enabling-windows-container-workloads.adoc b/windows_containers/enabling-windows-container-workloads.adoc index 6688e173c5..2cb05a5eea 100644 --- a/windows_containers/enabling-windows-container-workloads.adoc +++ b/windows_containers/enabling-windows-container-workloads.adoc @@ -40,6 +40,11 @@ Windows instances deployed by the WMCO are configured with the containerd contai You can install the Windows Machine Config Operator using either the web console or OpenShift CLI (`oc`). +[NOTE] +==== +Due to a limitation within the Windows operating system, `clusterNetwork` CIDR addresses of class E, such as `240.0.0.0`, are not compatible with Windows nodes. +==== + include::modules/installing-wmco-using-web-console.adoc[leveloffset=+2] include::modules/installing-wmco-using-cli.adoc[leveloffset=+2]