diff --git a/web/topology_rest.py b/web/topology_rest.py
index 556b433..e4a2684 100755
--- a/web/topology_rest.py
+++ b/web/topology_rest.py
@@ -16,10 +16,22 @@
 RestIP="localhost"
 RestPort=8080
 #DBName="onos-network-map"
-controllers=["onosdevb1", "onosdevb2", "onosdevb3", "onosdevb4"]
-#controllers=["onosgui1", "onosgui2", "onosgui3", "onosgui4", "onosgui5", "onosgui6", "onosgui7", "onosgui8"]
-#core_switches=["00:00:00:00:ba:5e:ba:11", "00:00:00:00:00:00:ba:12", "00:00:20:4e:7f:51:8a:35", "00:00:00:00:ba:5e:ba:13", "00:00:00:08:a2:08:f9:01", "00:00:00:16:97:08:9a:46"]
-core_switches=["00:00:00:00:00:00:01:01", "00:00:00:00:00:00:01:02", "00:00:00:00:00:00:01:03", "00:00:00:00:00:00:01:04", "00:00:00:00:00:00:01:05", "00:00:00:00:00:00:01:06"]
+
+## Uncomment the desired block based on your testbed environment
+
+# Settings for running on production
+controllers=["onosgui1", "onosgui2", "onosgui3", "onosgui4", "onosgui5", "onosgui6", "onosgui7", "onosgui8"]
+core_switches=["00:00:00:00:ba:5e:ba:11", "00:00:00:00:00:00:ba:12", "00:00:20:4e:7f:51:8a:35", "00:00:00:00:ba:5e:ba:13", "00:00:00:08:a2:08:f9:01", "00:00:00:16:97:08:9a:46"]
+ONOS_GUI3_HOST="http://gui3.onlab.us:8080"
+ONOS_GUI3_CONTROL_HOST="http://gui3.onlab.us:8081"
+
+# Settings for running on dev testbed. Replace dev
+#controllers=["onosdevb1", "onosdevb2", "onosdevb3", "onosdevb4"]
+#core_switches=["00:00:00:00:00:00:01:01", "00:00:00:00:00:00:01:02", "00:00:00:00:00:00:01:03", "00:00:00:00:00:00:01:04", "00:00:00:00:00:00:01:05", "00:00:00:00:00:00:01:06"]
+#ONOS_GUI3_HOST="http://devb-gui.onlab.us:8080"
+#ONOS_GUI3_CONTROL_HOST="http://devb-gui.onlab.us:8080"
+
+ONOS_LOCAL_HOST="http://localhost:8080" ;# for Amazon EC2
 
 nr_flow=0
 
@@ -75,10 +87,6 @@
 
   return response
 
-## PROXY API (allows development where the webui is served from someplace other than the controller)##
-ONOS_GUI3_HOST="http://devb-gui.onlab.us:8080"
-ONOS_GUI3_CONTROL_HOST="http://devb-gui.onlab.us:8080"
-ONOS_LOCAL_HOST="http://localhost:8080" ;# for Amazon EC2
 
 @app.route("/proxy/gui/link/<cmd>/<src_dpid>/<src_port>/<dst_dpid>/<dst_port>")
 def proxy_link_change(cmd, src_dpid, src_port, dst_dpid, dst_port):