diff --git a/spring-cloud-gateway-server/src/main/java/org/springframework/cloud/gateway/filter/WebsocketRoutingFilter.java b/spring-cloud-gateway-server/src/main/java/org/springframework/cloud/gateway/filter/WebsocketRoutingFilter.java
index f15ef98f..8a3d1465 100644
--- a/spring-cloud-gateway-server/src/main/java/org/springframework/cloud/gateway/filter/WebsocketRoutingFilter.java
+++ b/spring-cloud-gateway-server/src/main/java/org/springframework/cloud/gateway/filter/WebsocketRoutingFilter.java
@@ -209,10 +209,20 @@ public class WebsocketRoutingFilter implements GlobalFilter, Ordered {
 							.flatMap(proxySession::close);
 					// Use retain() for Reactor Netty
 					Mono<Void> proxySessionSend = proxySession
-							.send(session.receive().doOnNext(WebSocketMessage::retain));
+							.send(session.receive().doOnNext(WebSocketMessage::retain)
+							.doOnNext(webSocketMessage -> {
+								if (log.isTraceEnabled()) {
+									log.trace("proxySession(send from client): " + proxySession.getId() + ", corresponding session:" + session.getId() + ", packet: " + webSocketMessage.getPayloadAsText());
+								}
+							}));
 					// .log("proxySessionSend", Level.FINE);
 					Mono<Void> serverSessionSend = session
-							.send(proxySession.receive().doOnNext(WebSocketMessage::retain));
+							.send(proxySession.receive().doOnNext(WebSocketMessage::retain)
+							.doOnNext(webSocketMessage -> {
+								if (log.isTraceEnabled()) {
+									log.trace("session(send from backend): " + session.getId() + ", corresponding proxySession:" + proxySession.getId() + " packet: " + webSocketMessage.getPayloadAsText());
+								}
+							}));
 					// .log("sessionSend", Level.FINE);
 					// Ensure closeStatus from one propagates to the other
 					Mono.when(serverClose, proxyClose).subscribe();