diff --git a/config.h b/config.h
new file mode 100644
index 0000000..eef8360
--- /dev/null
+++ b/config.h
@@ -0,0 +1,14 @@
+#ifndef FEMTO_CONFIG_H
+#define FEMTO_CONFIG_H
+/* Config (TODO: move to some config.h later) */
+
+#define LINK_MTU 1536
+
+#define MAX_TCPSOCKETS 4
+#define MAX_UDPSOCKETS 2
+#define RXBUF_SIZE LINK_MTU * 8
+#define TXBUF_SIZE LINK_MTU * 2
+
+#define MAX_NEIGHBORS 16
+
+#endif