keep alive + increase timeout

src/net/client.rs

@@ -83,10 +83,13 @@ async fn connection_no_cert(addr: SocketAddr) -> NetResult<Connection> {
     )
     .map_err(|e| e.to_string())?;
 
-    let mut transport = TransportConfig::default();
-    transport.max_idle_timeout(Some(IdleTimeout::try_from(Duration::from_secs(5)).unwrap()));
-
     let mut config = ClientConfig::new(Arc::new(quic));
+
+    let mut transport = TransportConfig::default();
+    transport.keep_alive_interval(Some(Duration::from_secs(5)));
+    transport.max_idle_timeout(Some(
+        IdleTimeout::try_from(Duration::from_secs(10)).unwrap(),
+    ));
     config.transport_config(transport.into());
 
     endpoint.set_default_client_config(config);