Add mTLS and Load Balancers section to Enterprise Replication Documen…

…tation (#17676)

* Adding mTLS and Load Balancers section

* Adding patch CLI docs to nav JSON

website/content/docs/enterprise/replication.mdx

@@ -220,6 +220,13 @@ generation until it is used.
 Once a secondary is activated, its cluster information is stored safely behind
 its encrypted barrier.
 
+## Mutual TLS and Load Balancers
+
+Vault generates its own certificates for cluster members. All replication traffic 
+uses the cluster port using these Vault-generated certificates after initial 
+bootstrapping. Because of this, the cluster traffic can NOT be terminated at the 
+cluster port at a load balancer level.
+
 ## Tutorial
 
 Refer to the following tutorials replication setup and best practices:

website/data/docs-nav-data.json

@@ -658,6 +658,10 @@
         "title": "<code>path-help</code>",
         "path": "commands/path-help"
       },
+      {
+        "title": "<code>patch</code>",
+        "path": "commands/patch"
+      },
       {
         "title": "<code>plugin</code>",
         "routes": [