diff --git a/tools/test/topos/sdnip/configs/addresses.json b/tools/test/topos/sdnip/configs/addresses.json
index ac54b5a..5b73321 100644
--- a/tools/test/topos/sdnip/configs/addresses.json
+++ b/tools/test/topos/sdnip/configs/addresses.json
@@ -10,7 +10,7 @@
 	    "dpid" : "00:00:00:00:00:00:00:a2",
 	    "port" : "1",
 	    "ips" : ["10.0.2.101/24"],
-	    "mac" : "00:00:00:00:00:02"
+	    "mac" : "00:00:00:00:00:01"
 	},
 	{
 	    "dpid" : "00:00:00:00:00:00:00:a5",