diff --git a/etc/steth.conf b/etc/steth.conf
index 89c80e5..80b3e76 100644
--- a/etc/steth.conf
+++ b/etc/steth.conf
@@ -17,3 +17,16 @@ nodes_id=39,233,64,65,66
 # and so on. In every region, we give every node a specific name.
 # Ensure that DNS can resolve the nodes.
 node_name_prefix=server-
+
+# (StrOpt) Name of physical interface in each network node or
+# compute node.
+physical_interface=eth3
+
+[neutron_client]
+# In order to check dhcp, we need to initialize a neutronclient.
+# So, the below options should be filled out.
+# The Neutron user information for accessing the Neutron API.
+username=admin
+password=12345
+tenant_name=admin
+auth_url=http://127.0.0.1:5000/v2.0/