diff --git a/vars/i2.groovy b/vars/i2.groovy
new file mode 100644
index 0000000..0604073
--- /dev/null
+++ b/vars/i2.groovy
@@ -0,0 +1,10 @@
+class internet2 implements Serializable {
+
+  def maintainer() {
+    "tier"
+  }
+
+  def caution(message){
+    echo "Hello, ${maintainer}! CAUTION: ${message}"
+  }
+}
\ No newline at end of file
diff --git a/vars/internet2.groovy b/vars/internet2.groovy
deleted file mode 100644
index b268196..0000000
--- a/vars/internet2.groovy
+++ /dev/null
@@ -1,7 +0,0 @@
-def maintainer() {
-  "tier"
-}
-
-def caution(message){
-  echo "Hello, ${maintainer}! CAUTION: ${message}"
-}
\ No newline at end of file