diff --git a/DEFAULT_CONFIG.json5 b/DEFAULT_CONFIG.json5
index 9de5dd24a5..1ced78b6d6 100644
--- a/DEFAULT_CONFIG.json5
+++ b/DEFAULT_CONFIG.json5
@@ -19,6 +19,8 @@
 
   /// Which endpoints to connect to. E.g. tcp/localhost:7447.
   /// By configuring the endpoints, it is possible to tell zenoh which router/peer to connect to at startup.
+  /// For TCP/UDP on Linux, it is possible additionally specify the interface to be connected to: 
+  /// E.g. tcp/192.168.0.1:7447#iface=eth0, for connect only if the IP address is reachable via the interface eth0 
   connect: {
     endpoints: [
       // "<proto>/<address>"
@@ -28,6 +30,8 @@
   /// Which endpoints to listen on. E.g. tcp/localhost:7447.
   /// By configuring the endpoints, it is possible to tell zenoh which are the endpoints that other routers,
   /// peers, or client can use to establish a zenoh session.
+  /// For TCP/UDP on Linux, it is possible additionally specify the interface to be listened to: 
+  /// E.g. tcp/0.0.0.0:7447#iface=eth0, for listen connection only on eth0
   listen: {
     endpoints: [
       // "<proto>/<address>"