diff --git a/src/network/async_main.rs b/src/network/async_main.rs
index 1d6d309..b06be28 100644
--- a/src/network/async_main.rs
+++ b/src/network/async_main.rs
@@ -312,10 +312,14 @@ pub async fn async_main(
 async fn run_edge_loop(eee: &'static Node, cancel: CancellationToken) {
     ping_to_sn().await;
     {
+        let cancel2 = cancel.clone();
         let cancel = cancel.clone();
         tokio::spawn(async move {
             loop_socket_v4(eee, &eee.udp_sock_v4, cancel).await;
         });
+        tokio::spawn(async move {
+            loop_socket_v4(eee, &eee.udp_sock_multicast, cancel2).await;
+        });
     }
 
     {
diff --git a/src/network/node.rs b/src/network/node.rs
index 2703da6..bb2ed76 100644
--- a/src/network/node.rs
+++ b/src/network/node.rs
@@ -51,8 +51,9 @@ pub async fn init_edge(
     // let edge_uuid = create_or_load_uuid("")?;
     //let node_conf = parse_config(edge_uuid, &args).await?;
 
-    let sock_v4 = Socket::build(0, true, true, tos).await?;
+    let sock_v4 = Socket::build(0, true, false, tos).await?;
 
+    let sock_multicast = Socket::build(MULTICAST_PORT, true, true, 0).await?;
     // allow multicast
 
     // TODO: set the sn's tcp socket
@@ -62,6 +63,7 @@ pub async fn init_edge(
         pubkey,
         node_conf,
         sock_v4,
+        sock_multicast,
         token,
         privatekey,
         tcp_pong.clone(),
@@ -119,6 +121,7 @@ pub struct Node {
     pub known_peers: PeerMap,
 
     // pub tcp_sock_v4: TCPSocket,
+    pub udp_sock_multicast: Socket,
     pub udp_sock_v4: Socket,
     pub outer_ip_v4: AtomicU32,
     pub udp_sock_v6: RwLock<Arc<Option<Socket>>>,
@@ -158,6 +161,7 @@ impl Node {
         pubkey: String,
         config: NodeConfig,
         sock: Socket,
+        multicast_sock: Socket,
         // tcpsock: TCPSocket,
         token: &str,
         private: RsaPrivateKey,
@@ -190,6 +194,7 @@ impl Node {
             known_peers: PeerMap::new(),
 
             // tcp_sock_v4: tcpsock,
+            udp_sock_multicast: multicast_sock,
             udp_sock_v4: sock,
             outer_ip_v4: AtomicU32::new(0),
             udp_sock_v6: RwLock::new(Arc::new(None)),
@@ -467,7 +472,7 @@ impl NodeStats {
 
 use sdlan_sn_rs::peer::SdlanSock;
 
-use crate::config::{self, REGISTER_INTERVAL};
+use crate::config::{self, MULTICAST_PORT, REGISTER_INTERVAL};
 pub struct NodeConfig {
     // node name
     pub name: String,