fix bug in chaining command
diff --git a/src/emuvim/dcemulator/monitoring.py b/src/emuvim/dcemulator/monitoring.py
index b3ec7ee..6531beb 100755
--- a/src/emuvim/dcemulator/monitoring.py
+++ b/src/emuvim/dcemulator/monitoring.py
@@ -91,7 +91,7 @@
if link_dict[link]['src_port_id'] == vnf_interface:
# found the right link and connected switch
# logging.info("{0},{1}".format(link_dict[link]['src_port_id'], vnf_source_interface))
- network_metric['mon_port'] = link_dict[link]['dst_port']
+ network_metric['mon_port'] = link_dict[link]['dst_port_nr']
break
if 'mon_port' not in network_metric: