diff --git a/clients/ejabberd-2.json b/clients/ejabberd-2.json
new file mode 100644
index 0000000..1d3e5f3
--- /dev/null
+++ b/clients/ejabberd-2.json
@@ -0,0 +1,4 @@
+{
+  "name": "ejabberd-2",
+  "public_key": "-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAudueTsPYnRXRu/rmMGZe\nI7LdyrWKdY9FJaRhkXR5J9Yb8QnIcDS7ZXDJsVhyQW8pZ2DuaIs5dmGYvRtmx0ol\nqHTEel01Q3/xI1blJoq4uRm639PB5M9dSJ0w+s6P5zj7rbFKpvMBYxBSK6z+gXIc\n/L1ayJ6JOssX5/tEvcvx/d4GIxof/Q+puACAXawx7W88Wl7yYWdBQ78uTPHzuMyB\n8BRYz24tki/O1fa9JijW32d3EELD0EccI3iJ+/CR4BFEEM2QdDczY/Q6Ny7h7inH\n/TdU246nvtJIx7bAZHmDIDva8YPtL27RIOQ3JqBBe7prQP5Q9MBGPyCXWAglj99a\n6QIDAQAB\n-----END PUBLIC KEY-----\n"
+}
\ No newline at end of file
diff --git a/nodes/ejabberd-1.json b/nodes/ejabberd-1.json
index c7d54b7..296c803 100644
--- a/nodes/ejabberd-1.json
+++ b/nodes/ejabberd-1.json
@@ -3,6 +3,9 @@
   "normal": {
     "knife_zero": {
       "host": "10.147.20.166"
+    },
+    "kosmos-ejabberd": {
+      "erlang_node": "ejabberd@draco.kosmos.org"
     }
   },
   "automatic": {
@@ -59,4 +62,4 @@
     "recipe[kosmos-base]",
     "role[ejabberd]"
   ]
-}
\ No newline at end of file
+}
diff --git a/nodes/ejabberd-2.json b/nodes/ejabberd-2.json
new file mode 100644
index 0000000..5e7726c
--- /dev/null
+++ b/nodes/ejabberd-2.json
@@ -0,0 +1,65 @@
+{
+  "name": "ejabberd-2",
+  "normal": {
+    "knife_zero": {
+      "host": "10.147.20.44"
+    },
+    "kosmos-ejabberd": {
+      "erlang_node": "ejabberd@centaurus.kosmos.org"
+    }
+  },
+  "automatic": {
+    "fqdn": "ejabberd-2",
+    "os": "linux",
+    "os_version": "5.4.0-54-generic",
+    "hostname": "ejabberd-2",
+    "ipaddress": "192.168.122.5",
+    "roles": [
+      "ejabberd",
+      "postgresql_client"
+    ],
+    "recipes": [
+      "kosmos-base",
+      "kosmos-base::default",
+      "kosmos-ejabberd",
+      "kosmos-ejabberd::default",
+      "kosmos-ejabberd::letsencrypt",
+      "kosmos-ejabberd::backup",
+      "apt::default",
+      "timezone_iii::default",
+      "timezone_iii::debian",
+      "ntp::default",
+      "ntp::apparmor",
+      "kosmos-base::systemd_emails",
+      "apt::unattended-upgrades",
+      "kosmos-base::firewall",
+      "kosmos-postfix::default",
+      "postfix::default",
+      "postfix::_common",
+      "postfix::_attributes",
+      "postfix::sasl_auth",
+      "hostname::default",
+      "tor-full::default",
+      "kosmos-base::letsencrypt",
+      "backup::default",
+      "logrotate::default"
+    ],
+    "platform": "ubuntu",
+    "platform_version": "20.04",
+    "cloud": null,
+    "chef_packages": {
+      "chef": {
+        "version": "15.14.0",
+        "chef_root": "/opt/chef/embedded/lib/ruby/gems/2.6.0/gems/chef-15.14.0/lib"
+      },
+      "ohai": {
+        "version": "15.12.0",
+        "ohai_root": "/opt/chef/embedded/lib/ruby/gems/2.6.0/gems/ohai-15.12.0/lib/ohai"
+      }
+    }
+  },
+  "run_list": [
+    "recipe[kosmos-base]",
+    "role[ejabberd]"
+  ]
+}
diff --git a/site-cookbooks/kosmos-ejabberd/recipes/default.rb b/site-cookbooks/kosmos-ejabberd/recipes/default.rb
index aabb097..0cde474 100644
--- a/site-cookbooks/kosmos-ejabberd/recipes/default.rb
+++ b/site-cookbooks/kosmos-ejabberd/recipes/default.rb
@@ -50,6 +50,28 @@ file "/opt/ejabberd/.erlang.cookie" do
   content ejabberd_credentials['erlang_cookie']
 end
 
+file "/opt/ejabberd/.hosts.erlang" do
+  mode "0644"
+  owner "ejabberd"
+  group "ejabberd"
+  content <<-EOF
+"andromeda.kosmos.org".
+"centaurus.kosmos.org".
+"draco.kosmos.org".
+  EOF
+end
+
+ruby_block "configure ERLANG_NODE" do
+  block do
+    file = Chef::Util::FileEdit.new("/opt/ejabberd/conf/ejabberdctl.cfg")
+    file.search_file_replace_line(
+      %r{#ERLANG_NODE=ejabberd@localhost},
+      "ERLAND_NODE=#{node['kosmos-ejabberd']['erlang_node']}"
+    )
+    file.write_file
+  end
+end
+
 postgresql_data_bag_item = data_bag_item('credentials', 'postgresql')
 
 hosts = [
@@ -203,6 +225,18 @@ unless node.chef_environment == "development"
     command  :allow
   end
 
+  firewall_rule 'ejabberd_cluster' do
+    port     [4369]
+    protocol :tcp
+    command  :allow
+  end
+
+  firewall_rule 'erlang_cluster' do
+    port     [4200..4210]
+    protocol :tcp
+    command  :allow
+  end
+
   firewall_rule 'ejabberd_stun_turn' do
     port     3478
     protocol :tcp