1 files changed, 5 insertions, 0 deletions
diff --git a/test/util.py b/test/util.py
index 3a8bd838b00..d6b77f9d3c3 100644
--- a/test/util.py
+++ b/test/util.py
@@ -47,6 +47,11 @@ def ip4n_range(ip4n, s, e):
             for ip in ip4_range(ip4, s, e))
 
 
+def mactobinary(mac):
+    """ Convert the : separated format into binary packet data for the API """
+    return mac.replace(':', '').decode('hex')
+
+
 class NumericConstant(object):
     __metaclass__ = ABCMeta