diff --git a/salt-master/files/etc/salt/master.d/reactors.conf b/salt-master/files/etc/salt/master.d/reactors.conf
new file mode 100644
index 0000000..706175b
--- /dev/null
+++ b/salt-master/files/etc/salt/master.d/reactors.conf
@@ -0,0 +1,3 @@
+reactor:
+  - 'salt/beacon/*/inotify//dev':
+    - /srv/reactor/device_reactor.sls
diff --git a/salt-master/files/srv/reactor/device_reactor.sls b/salt-master/files/srv/reactor/device_reactor.sls
new file mode 100644
index 0000000..bdc9e28
--- /dev/null
+++ b/salt-master/files/srv/reactor/device_reactor.sls
@@ -0,0 +1,16 @@
+{% set label = data['path'].split('/')[-1] -%}
+{% if label in ['rfxtrx433'] -%}
+{% if data['change'] == 'IN_CREATE' -%}
+{% set label = label + '=true' -%}
+{% else %}
+{% set label = label +'-' -%}
+{% endif -%}
+{% set node = data['id'].split('.')[0] -%}
+label_k3s_node_{{ node }}:
+  local.state.single:
+    - tgt: masters 
+    - tgt_type: nodegroup
+    - args:
+      - fun: cmd.run
+      - name: "kubectl label node {{ node }} {{ label }}"
+{% endif -%}
diff --git a/salt-master/init.sls b/salt-master/init.sls
new file mode 100644
index 0000000..7679e6d
--- /dev/null
+++ b/salt-master/init.sls
@@ -0,0 +1,2 @@
+include:
+  - salt-master.reactors
diff --git a/salt-master/reactors.sls b/salt-master/reactors.sls
new file mode 100644
index 0000000..d21d348
--- /dev/null
+++ b/salt-master/reactors.sls
@@ -0,0 +1,28 @@
+Create reactors master configuration:
+  file.managed:
+    - name: /etc/salt/master.d/reactors.conf
+    - source: salt://salt-master/files/etc/salt/master.d/reactors.conf
+    - user: root
+    - group: root
+    - mode: "0644"
+
+restart master:
+  service.running:
+    - name: salt-master
+    - onchanges:
+      - file: Create reactors master configuration
+
+Create reactors directory:
+  file.directory:
+    - name: /srv/reactor
+    - user: root
+    - group: root
+    - mode: "0755"
+
+Create rfxcom reactor:
+  file.managed:
+    - name: /srv/reactor/device_reactor.sls
+    - source: salt://salt-master/files/srv/reactor/device_reactor.sls
+    - user: root
+    - group: root
+    - mode: "0644"
diff --git a/top.sls b/top.sls
index 047a968..5e904bf 100644
--- a/top.sls
+++ b/top.sls
@@ -10,6 +10,7 @@ base:
 
   'salt.rre.nu':
     - dnsmasq
+    - salt-master
 
   'k3s':
     - match: nodegroup