add Docker platform for integration tests

refs #5108

Change-Id: I2855a5d87e4dbca6af02049e0cf423b7c893b2d0
diff --git a/docker_helpers/setup_router.sh b/docker_helpers/setup_router.sh
new file mode 100755
index 0000000..c629594
--- /dev/null
+++ b/docker_helpers/setup_router.sh
@@ -0,0 +1,5 @@
+#!/bin/bash
+# Configuration steps specific to docker instances of router
+
+sysctl net.ipv4.ip_forward=1
+sysctl net.ipv6.conf.all.forwarding=1