diff --git a/config_client.json b/config_client.json
new file mode 100644
index 0000000..3524098
--- /dev/null
+++ b/config_client.json
@@ -0,0 +1,7 @@
+{
+  "mode": "client",
+  "address": "127.0.0.1",
+  "port": 12345,
+  "iface_name": "tun0",
+  "iface_mtu": 1500
+}
diff --git a/config_server.json b/config_server.json
new file mode 100644
index 0000000..9c14ddc
--- /dev/null
+++ b/config_server.json
@@ -0,0 +1,7 @@
+{
+  "mode": "server",
+  "address": "0.0.0.0",
+  "port": 12345,
+  "iface_name": "tun1",
+  "iface_mtu": 1500
+}