diff --git a/xos/configurations/cord/README-VTN.md b/xos/configurations/cord/README-VTN.md
index 744e876..348aca6 100644
--- a/xos/configurations/cord/README-VTN.md
+++ b/xos/configurations/cord/README-VTN.md
@@ -37,3 +37,6 @@
     service openvswitch-switch restart
 
 VTN doesn't seem to like cloudlab's networks (flat-net-1, ext-net, etc). You might have to delete them all.
+
+For development, I suggest using the bash configuration (remember to start the ONOS observer manually) so that 
+there aren't a bunch of preexisting Neutron networks and nova instances to get in the way. 
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