diff --git a/clients/opal/models/AsyncIP_sl/interface.c b/clients/opal/models/AsyncIP_sl/interface.c
new file mode 100644
index 000000000..bb73bc6ea
--- /dev/null
+++ b/clients/opal/models/AsyncIP_sl/interface.c
@@ -0,0 +1,18 @@
+
+
+int if_setup(const char *op, const char *iface, const char *addr)
+{
+	char cmd[256];
+
+	/* Setup remote address */
+	snprintf(cmd, 256, "ip addr %s %s/32 dev %s", op, addr, iface);
+	if (system(cmd))
+		OpalPrint("Failed to add local address to interface");
+
+	/* Setup route for single IP address */
+	snprintf(cmd, 256, "ip route %s %s/32 dev %s", op, addr, iface);
+	if (system(cmd))
+		OpalPrint("Failed to add route for remote address")
+
+	return 0;
+}