diff --git a/content/en/docs/setup/independent/create-cluster-kubeadm.md b/content/en/docs/setup/independent/create-cluster-kubeadm.md index 1b40c1acca..8db68b4f83 100644 --- a/content/en/docs/setup/independent/create-cluster-kubeadm.md +++ b/content/en/docs/setup/independent/create-cluster-kubeadm.md @@ -245,6 +245,9 @@ support [Network Policy](/docs/concepts/services-networking/networkpolicies/). S Note that kubeadm sets up a more secure cluster by default and enforces use of [RBAC](/docs/reference/access-authn-authz/rbac/). Make sure that your network manifest supports RBAC. +Also, beware, that your Pod network must not overlap with any of the host networks as this can cause issues. +If you find a collision between your network plugin’s preferred Pod network and some of your host networks, you should think of a suitable CIDR replacement and use that during `kubeadm init` with `--pod-network-cidr` and as a replacement in your network plugin’s YAML. + You can install a pod network add-on with the following command: ```bash