diff --git "a/examples/environment/\173\173 cookiecutter.cluster_name \175\175/common.yml" "b/examples/environment/\173\173 cookiecutter.cluster_name \175\175/common.yml"
new file mode 100644
index 0000000..cbf1423
--- /dev/null
+++ "b/examples/environment/\173\173 cookiecutter.cluster_name \175\175/common.yml"
@@ -0,0 +1,7 @@
+parameters:
+  _param:
+  # Put any environment-specific variables here
+
+  linux:
+    network:
+      interface: ${_param:linux_network_interfaces}
diff --git "a/examples/environment/\173\173 cookiecutter.cluster_name \175\175/init.yml" "b/examples/environment/\173\173 cookiecutter.cluster_name \175\175/init.yml"
index f7a1b70..6153a6b 100644
--- "a/examples/environment/\173\173 cookiecutter.cluster_name \175\175/init.yml"
+++ "b/examples/environment/\173\173 cookiecutter.cluster_name \175\175/init.yml"
@@ -19,5 +19,5 @@
               {{ toyaml( node['parameters']['linux']['network']['interface'], width=14 ) }}
 {%- endif %}
           classes:
-          - environment.{{ cookiecutter.cluster_name }}.networking
+          - environment.{{ cookiecutter.cluster_name }}.common
 {%- endfor %}
diff --git "a/examples/environment/\173\173 cookiecutter.cluster_name \175\175/networking.yml" "b/examples/environment/\173\173 cookiecutter.cluster_name \175\175/networking.yml"
deleted file mode 100644
index 1ef4d17..0000000
--- "a/examples/environment/\173\173 cookiecutter.cluster_name \175\175/networking.yml"
+++ /dev/null
@@ -1,4 +0,0 @@
-parameters:
-  linux:
-    network:
-      interface: ${_param:linux_network_interfaces}