diff --git a/src/network/async_main.rs b/src/network/async_main.rs
index b06be28..b83634f 100644
--- a/src/network/async_main.rs
+++ b/src/network/async_main.rs
@@ -315,10 +315,10 @@ async fn run_edge_loop(eee: &'static Node, cancel: CancellationToken) {
         let cancel2 = cancel.clone();
         let cancel = cancel.clone();
         tokio::spawn(async move {
-            loop_socket_v4(eee, &eee.udp_sock_v4, cancel).await;
+            loop_socket_v4(eee, &eee.udp_sock_v4, cancel, false).await;
         });
         tokio::spawn(async move {
-            loop_socket_v4(eee, &eee.udp_sock_multicast, cancel2).await;
+            loop_socket_v4(eee, &eee.udp_sock_multicast, cancel2, true).await;
         });
     }
 
@@ -349,16 +349,23 @@ async fn send_stun_request(eee: &Node) {
     }
 }
 
-async fn loop_socket_v4(eee: &Node, socket: &Socket, cancel: CancellationToken) {
+async fn loop_socket_v4(
+    eee: &Node,
+    socket: &Socket,
+    cancel: CancellationToken,
+    is_multicast_sock: bool,
+) {
     debug!("loop sock v4");
     loop {
         tokio::select! {
             _ = cancel.cancelled() => {
                 break;
              }
-            _ = read_and_parse_packet(eee, socket,Some(Duration::from_secs(10))) => { }
+            _ = read_and_parse_packet(eee, socket, Some(Duration::from_secs(10)), is_multicast_sock) => { }
             _ = tokio::time::sleep(Duration::from_secs(10)) => {
-                send_stun_request(eee).await;
+                if !is_multicast_sock {
+                    send_stun_request(eee).await;
+                }
                 /*
                 let req = SdlStunRequest {
                     cookie: 0,
diff --git a/src/network/packet.rs b/src/network/packet.rs
index 0f65cdf..2e08704 100644
--- a/src/network/packet.rs
+++ b/src/network/packet.rs
@@ -29,6 +29,7 @@ pub async fn read_and_parse_packet(
     eee: &Node,
     sock: &Socket,
     timeout: Option<Duration>,
+    is_multicast_sock: bool,
     // cancel: CancellationToken,
 ) -> Result<()> {
     let mut buf = vec![0; 3000];
@@ -59,6 +60,14 @@ pub async fn read_and_parse_packet(
         }
         Ok((size, from)) => {
             // size > 0
+
+            if is_multicast_sock {
+                println!(
+                    "xxxx got packet from multicast sock from {}",
+                    from.to_string()
+                );
+            }
+
             buf.truncate(size);
             match handle_packet(eee, from, &buf).await {
                 Ok(_) => {}