diff --git a/build/klh10/start b/build/klh10/start
index 1c1bc2be..2e6157c3 100755
--- a/build/klh10/start
+++ b/build/klh10/start
@@ -2,6 +2,7 @@
 
 # Optional; needed for networking.
 SUDO=sudo
+#NET_DEFAULT_IF=eth1
 
 cd build/klh10
-$SUDO ./kn10-ks-its dskdmp.ini
+$SUDO KLH10_NET_DEFAULT_IF=$NET_DEFAULT_IF ./kn10-ks-its dskdmp.ini