--- /dev/null
+{
+ "type" : "node",
+ "name" : "mac",
+ "layout" : [
+ {
+ "name" : "src",
+ "size" : "48",
+ "format" : "mac",
+ "default" : "00:00:00:00:00:01"
+ },
+ {
+ "name" : "dst",
+ "size" : "48",
+ "format" : "mac",
+ "default" : "00:00:00:00:00:02"
+ },
+ {
+ "name" : "ethertype",
+ "size" : "16"
+ }
+ ]
+}