Added info about Consul server config requirements

website/content/docs/connect/cluster-peering/create-manage-peering.mdx

@@ -13,13 +13,19 @@ A peering token enables cluster peering between different datacenters. Once you
 
 ## Create a peering connection
 
-To peer clusters, you must complete the following steps in order:
+Cluster peering is not enabled by default on Consul servers. To peer clusters, you must first configure all Consul servers so that `peering` is `enabled`. For additional information, refer to [Configuration Files](/docs/agent/config/config-files).
+
+Then, complete the following steps in order:
 
 1. Create a peering token
 1. Establish a connection between clusters
 1. Export services between clusters
 1. Authorize services for peers
 
+### Enable peering on all Consul servers
+
+Cluster peering is not enabled by default. To enable cluster peering,
+
 ### Create a peering token
 
 You can generate peering tokens and initiate connections on any available agent using either the Consul UI or the API. If you use the API, we recommend performing these operations through a client agent in the partition you want to connect.