Added a command to upload onos topology JSON configuration.
diff --git a/tools/test/bin/onos-topo-cfg b/tools/test/bin/onos-topo-cfg
new file mode 100755
index 0000000..d3a4f0d
--- /dev/null
+++ b/tools/test/bin/onos-topo-cfg
@@ -0,0 +1,13 @@
+#!/bin/bash
+# -----------------------------------------------------------------------------
+# ONOS topology configuration uploader.
+# -----------------------------------------------------------------------------
+
+[ ! -d "$ONOS_ROOT" ] && echo "ONOS_ROOT is not defined" >&2 && exit 1
+. $ONOS_ROOT/tools/build/envDefaults
+
+node="${1:-$OC1}"
+file="${2:-$ONOS_ROOT/tools/test/topos/oe-linear-3.json}"
+
+curl -sS --fail -L -X POST -H 'Content-Type:application/json' \
+ http://$node:8181/onos/v1/config/topology -d@$file