docs: add stable IP requirements (#3033)

* docs: add stable IP requirements

* docs: copy edits

---------

Co-authored-by: Lenny Chen <[email protected]>

docs/docs-content/clusters/edge/local-ui/cluster-management/create-cluster.md

@@ -29,6 +29,15 @@ cluster using Local UI.
   ISO during EdgeForge. For more information, refer to [Upload Content Bundle](./upload-content-bundle.md) and
   [Build Edge Artifacts with Content Bundle](../../edgeforge-workflow/palette-canvos/build-artifacts.md).
 
+- You must ensure that the Edge host has a stable IP address. You have the following options to achieve a stable IP
+  address:
+
+  - Use a static IP address. Contact your network administrator to assign the Edge host a static IP address.
+  - Use Dynamic Host Configuration Protocol (DHCP) reservations to reserve an IP address in a DHCP network. Contact your
+    network administrator to reserve IP addresses for your Edge hosts in a DHCP network.
+  - Enable network overlay on your Edge cluster. Network overlay can only be enabled during cluster creation. For more
+    information about network overlay, refer to [Enable Overlay Network](../../networking/vxlan-overlay.md).
+
 ## Create Local Cluster
 
 1. Log into the local UI by visiting the 5080 port of your Edge device's IP address or domain name. For more

docs/docs-content/clusters/edge/site-deployment/site-installation/cluster-deployment.md

@@ -8,8 +8,15 @@ tags: ["edge"]
 ---
 
 To complete the Edge Installation process, an Edge host must become a member of a host cluster. You can add an Edge host
-to an existing host cluster of type Edge Native, or you can create a new host cluster for Edge hosts and make the Edge
-host a member.
+to an existing Edge cluster, or you can create a new host cluster for Edge hosts and make the Edge host a member.
+
+:::info
+
+Procedures described on this page apply to Edge hosts with a connection to a Palette instance only. To learn how to
+create a cluster using an Edge host that does not have a connection to a Palette instance (an air-gapped Edge host),
+refer to [Create Cluster with Local UI](../../local-ui/cluster-management/create-cluster.md).
+
+:::
 
 Select the workflow that best fits your needs.
 
@@ -27,7 +34,18 @@ Use the following steps to create a new host cluster so that you can add Edge ho
 
 ### Prerequisites
 
-- A registered Edge host.
+- One or more registered Edge host. For more information about Edge host registration, refer to
+  [Edge Host Registration](./edge-host-registration.md).
+
+- If you are using more than one Edge host to form a cluster, the hosts in the same cluster must be on the same network.
+
+- You must ensure that the Edge hosts have stable IP addresses. You have the following options to do achieve stable IP
+  addressing for Edge hosts:
+  - Use static IP addresses. Contact your network administrator to assign the Edge host a static IP address.
+  - Use Dynamic Host Configuration Protocol (DHCP) reservations to reserve an IP address in a DHCP network. Contact your
+    network administrator to reserve IP addresses for your Edge hosts in a DHCP network.
+  - Enable network overlay on your Edge cluster. Network overlay can only be enabled during cluster creation. For more
+    information about network overlay, refer to [Enable Overlay Network](../../networking/vxlan-overlay.md).
 
 ### Create Cluster
 
@@ -185,15 +203,25 @@ node pool.
 
 ### Prerequisites
 
-- A registered Edge host.
+- An existing Edge cluster.
+
+- One or more registered Edge host on the same network as your existing cluster. For more information about Edge host
+  registration, refer to [Edge Host Registration](./edge-host-registration.md).
+
+- You must ensure that the Edge hosts have stable IP addresses. You have the following options to do achieve stable IP
+  addressing for Edge hosts:
 
-- A host cluster of type Edge Native.
+  - Use static IP addresses. Contact your network administrator to assign the Edge host a static IP address.
+  - Use Dynamic Host Configuration Protocol (DHCP) reservations to reserve an IP address in a DHCP network. Contact your
+    network administrator to reserve IP addresses for your Edge hosts in a DHCP network.
+  - Your Edge cluster has enabled network overlay. Network overlay can only be enabled during cluster creation. For more
+    information about network overlay, refer to [Enable Overlay Network](../../networking/vxlan-overlay.md).
 
 :::warning
 
 When adding a new Edge host to an existing cluster, ensure you are not creating a scenario where
 [etcd](https://etcd.io/) could fail in establishing a quorum. Quorum failures typically result when there is an even
-number of nodes. To learn more, check out the resource from the etcd documentation titled
+number of control plane nodes. To learn more, check out the resource from the etcd documentation titled
 [Why an odd number of cluster members](https://etcd.io/docs/v3.3/faq/#why-an-odd-number-of-cluster-members).
 
 :::