diff --git a/tools/test/bin/onos-config b/tools/test/bin/onos-config
index 9f1e3b0..4c4f7e1 100755
--- a/tools/test/bin/onos-config
+++ b/tools/test/bin/onos-config
@@ -8,7 +8,21 @@
 
 remote=$ONOS_USER@${1:-$OCI}
 
+# Generate a cluster.json from the ON* environment variables
+CDEF_FILE=/tmp/cluster.json
+echo "{ \"nodes\":[" > $CDEF_FILE
+for node in $(env | sort | egrep "OC[2-9]+" | cut -d= -f2); do
+    echo "  { \"id\": \"$node\", \"ip\": \"$node\", \"tcpPort\": 9876 }," >> $CDEF_FILE
+done
+echo "  { \"id\": \"$OC1\", \"ip\": \"$OC1\", \"tcpPort\": 9876 }" >> $CDEF_FILE
+echo "]}" >> $CDEF_FILE
+
 ssh $remote "
     sudo perl -pi.bak -e \"s/            <interface>.*</            <interface>${ONOS_NIC:-192.168.56.*}</g\" \
         $ONOS_INSTALL_DIR/$KARAF_DIST/etc/hazelcast.xml
-"
\ No newline at end of file
+
+    echo \"onos.ip = \$(ifconfig | grep $ONOS_NIC | cut -d: -f2 | cut -d\\  -f1)\" \
+        >> $ONOS_INSTALL_DIR/$KARAF_DIST/etc/system.properties
+"
+
+scp -q $CDEF_FILE $remote:$ONOS_INSTALL_DIR/config/
\ No newline at end of file
diff --git a/tools/test/bin/onos-install b/tools/test/bin/onos-install
index d594105..a87ff17 100755
--- a/tools/test/bin/onos-install
+++ b/tools/test/bin/onos-install
@@ -24,6 +24,7 @@
     # Make a link to the log file directory and make a home for auxiliaries
     ln -s $ONOS_INSTALL_DIR/$KARAF_DIST/data/log /opt/onos/log
     mkdir $ONOS_INSTALL_DIR/var
+    mkdir $ONOS_INSTALL_DIR/config
 
     # Install the upstart configuration file and setup options for debugging
     sudo cp $ONOS_INSTALL_DIR/debian/onos.conf /etc/init/onos.conf
diff --git a/tools/test/cells/local b/tools/test/cells/local
index b04a5e3..6b9fea5 100644
--- a/tools/test/cells/local
+++ b/tools/test/cells/local
@@ -1,6 +1,8 @@
 # Default virtual box ONOS instances 1,2 & ONOS mininet box
 . $ONOS_ROOT/tools/test/cells/.reset
 
+export ONOS_NIC=192.168.56.*
+
 export OC1="192.168.56.101"
 export OC2="192.168.56.102"