docs: improve AKS networking for eBPF and Overlay (hashicorp#19639)

favoretti · Jan 12, 2023 · 8d1fc7c · 8d1fc7c
1 parent f95d319
commit 8d1fc7c
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/website/docs/r/kubernetes_cluster.html.markdown b/website/docs/r/kubernetes_cluster.html.markdown
@@ -546,9 +546,15 @@ A `network_profile` block supports the following:
 
 * `ebpf_data_plane` - (Optional) Specifies the eBPF data plane used for building the Kubernetes network. Possible value is `cilium`. Changing this forces a new resource to be created.
 
+~> **Note:** When `ebpf_data_plane` is set to `cilium`, the `network_plugin` field can only be set to `azure`.
+
+~> **Note:** When `ebpf_data_plane` is set to `cilium`, one of either `network_plugin_mode = "Overlay"` or `pod_subnet_id` must be specified.
+
 -> **Note:** This requires that the Preview Feature `Microsoft.ContainerService/CiliumDataplanePreview` is enabled and the Resource Provider is re-registered, see [the documentation](https://learn.microsoft.com/en-us/azure/aks/azure-cni-powered-by-cilium) for more information.
 
-* `network_plugin_mode` - (Optional) Specifies the network plugin mode used for building the Kubernetes network. Possible value is `overlay`. Changing this forces a new resource to be created.
+* `network_plugin_mode` - (Optional) Specifies the network plugin mode used for building the Kubernetes network. Possible value is `Overlay`. Changing this forces a new resource to be created.
+
+~> **Note:** When `network_plugin_mode` is set to `Overlay`, the `network_plugin` field can only be set to `azure`.
 
 -> **Note:** This requires that the Preview Feature `Microsoft.ContainerService/AzureOverlayPreview` is enabled and the Resource Provider is re-registered, see [the documentation](https://learn.microsoft.com/en-us/azure/aks/azure-cni-overlay) for more information.