Added ability to measure round-trip latency and to assure message integrity.
diff --git a/tools/test/cells/tom b/tools/test/cells/tom
new file mode 100644
index 0000000..c4482b7
--- /dev/null
+++ b/tools/test/cells/tom
@@ -0,0 +1,10 @@
+# Default virtual box ONOS instances 1,2 & ONOS mininet box
+
+export ONOS_NIC=192.168.56.*
+
+export OC1="192.168.56.101"
+export OC2="192.168.56.102"
+
+export OCN="192.168.56.105"
+
+