add vtn network config to makefile
diff --git a/xos/configurations/cord/Makefile b/xos/configurations/cord/Makefile
index ef823cd..7081b51 100644
--- a/xos/configurations/cord/Makefile
+++ b/xos/configurations/cord/Makefile
@@ -2,7 +2,7 @@
 RUNNING_CONTAINER:=$(shell sudo docker ps|grep "xos"|awk '{print $$NF}')
 LAST_CONTAINER=$(shell sudo docker ps -l -q)
 
-cord: common_cloudlab ceilometer_dashboard virtualbng_json
+cord: common_cloudlab ceilometer_dashboard virtualbng_json vtn_network_cfg_json
 	rm ../../xos_configuration/*
 	echo "# Autogenerated -- do not edit" > Dockerfile
 	cat ../common/Dockerfile.common Dockerfile.cord >> Dockerfile
@@ -24,6 +24,9 @@
 virtualbng_json:
 	bash make-virtualbng-json.sh
 
+vtn_network_cfg_json:
+	bash make-vtn-networkconfig-json.sh
+
 stop:
 	sudo docker stop $(RUNNING_CONTAINER)