diff --git a/cfg/xahaud-example.cfg b/cfg/xahaud-example.cfg
index 42c3ee0ba..a11b0fa56 100644
--- a/cfg/xahaud-example.cfg
+++ b/cfg/xahaud-example.cfg
@@ -1701,6 +1701,7 @@ port = 6009
 ip = 127.0.0.1
 admin = 127.0.0.1
 protocol = ws
+send_queue_limit = 500
 
 [port_grpc]
 port = 50051
@@ -1711,6 +1712,7 @@ secure_gateway = 127.0.0.1
 #port = 6008
 #ip = 127.0.0.1
 #protocol = wss
+#send_queue_limit = 500
 
 #-------------------------------------------------------------------------------