diff --git a/APP_Framework/Applications/connection_app/lwip_demo/lwip_config_demo.c b/APP_Framework/Applications/connection_app/lwip_demo/lwip_config_demo.c
index 330d6bc3e..98344bc1b 100755
--- a/APP_Framework/Applications/connection_app/lwip_demo/lwip_config_demo.c
+++ b/APP_Framework/Applications/connection_app/lwip_demo/lwip_config_demo.c
@@ -73,7 +73,7 @@ static void *lwip_config_test(void *param)
     lwip_config_net(lwip_ipaddr, lwip_netmask, lwip_gwaddr);
 }
 
-void lwip_config_thread(int argc, char *argv[])
+void lwip_setip_thread(int argc, char *argv[])
 {
     int result = 0;
     pthread_t th_id;
@@ -104,6 +104,25 @@ void lwip_config_thread(int argc, char *argv[])
 }
 
 SHELL_EXPORT_CMD(SHELL_CMD_PERMISSION(0) | SHELL_CMD_TYPE(SHELL_TYPE_CMD_MAIN) | SHELL_CMD_PARAM_NUM(3),
-     eth, lwip_config_thread, eth [IP] [Netmask] [Gateway]);
+     SetIp, lwip_setip_thread, SetIp [IP] [Netmask] [Gateway]);
+
+
+void lwip_getip_thread(int argc, char *argv[])
+{
+    lw_pr_info("\r\n************************************************\r\n");
+    lw_pr_info(" Network Configuration\r\n");
+    lw_pr_info("************************************************\r\n");
+    lw_pr_info(" IPv4 Address   : %u.%u.%u.%u\r\n", ((u8_t *)&lwip_ipaddr)[0], ((u8_t *)&lwip_ipaddr)[1],
+         ((u8_t *)&lwip_ipaddr)[2], ((u8_t *)&lwip_ipaddr)[3]);
+    lw_pr_info(" IPv4 Subnet mask : %u.%u.%u.%u\r\n", ((u8_t *)&lwip_netmask)[0], ((u8_t *)&lwip_netmask)[1],
+         ((u8_t *)&lwip_netmask)[2], ((u8_t *)&lwip_netmask)[3]);
+    lw_pr_info(" IPv4 Gateway   : %u.%u.%u.%u\r\n", ((u8_t *)&lwip_gwaddr)[0], ((u8_t *)&lwip_gwaddr)[1],
+         ((u8_t *)&lwip_gwaddr)[2], ((u8_t *)&lwip_gwaddr)[3]);
+    lw_pr_info("************************************************\r\n");
+
+}
+
+SHELL_EXPORT_CMD(SHELL_CMD_PERMISSION(0) | SHELL_CMD_TYPE(SHELL_TYPE_CMD_MAIN) | SHELL_CMD_PARAM_NUM(0),
+     GetIp, lwip_getip_thread, GetIp [IP] [Netmask] [Gateway]);
 
 #endif
diff --git a/APP_Framework/Applications/connection_app/lwip_demo/lwip_ping_demo.c b/APP_Framework/Applications/connection_app/lwip_demo/lwip_ping_demo.c
index bbcbba0fa..817b4add1 100755
--- a/APP_Framework/Applications/connection_app/lwip_demo/lwip_ping_demo.c
+++ b/APP_Framework/Applications/connection_app/lwip_demo/lwip_ping_demo.c
@@ -82,10 +82,6 @@ static void *lwip_ping_test(void *param)
 void lwip_ping_thread(int argc, char *argv[])
 {
     int result = 0;
-    pthread_t ping_demo_id = 0;
-    pthread_attr_t attr;
-    attr.schedparam.sched_priority = 15;
-    attr.stacksize = 4096;
 
     if(argc >= 4)
     {
@@ -102,15 +98,13 @@ void lwip_ping_thread(int argc, char *argv[])
 
     lw_print("lw: [%s] argc %d\n", __func__, argc);
 
-    result = PrivTaskCreate(&ping_demo_id, &attr, lwip_ping_test, NULL);
-    if (0 == result) {
-        lw_print("lwip_setip_test %d successfully!\n", ping_demo_id);
-    } else {
-        lw_print("lwip_setip_test failed! error code is %d\n", result);
-    }
+    IP4_ADDR(&ping_addr, lwip_gwaddr[0], lwip_gwaddr[1], lwip_gwaddr[2], lwip_gwaddr[3]);
+    ETH_BSP_Config();
+    lwip_config_net(lwip_ipaddr, lwip_netmask, lwip_gwaddr);
+    ping_init(&ping_addr);
 }
 
 SHELL_EXPORT_CMD(SHELL_CMD_PERMISSION(0) | SHELL_CMD_TYPE(SHELL_TYPE_CMD_MAIN) | SHELL_CMD_PARAM_NUM(3),
-     ping, lwip_ping_thread, lwip_ping_thread);
+     ping, lwip_ping_thread, ping [IP] 5 times);
 
 #endif
diff --git a/APP_Framework/Applications/connection_app/lwip_demo/lwip_tcp_demo.c b/APP_Framework/Applications/connection_app/lwip_demo/lwip_tcp_demo.c
index 9fccdb18e..aa2308529 100755
--- a/APP_Framework/Applications/connection_app/lwip_demo/lwip_tcp_demo.c
+++ b/APP_Framework/Applications/connection_app/lwip_demo/lwip_tcp_demo.c
@@ -21,6 +21,8 @@
 #include <xiuos.h>
 #include "board.h"
 #include "sys_arch.h"
+#include <lwip/sockets.h>
+#include "lwip/sys.h"
 #include "tcpecho_raw.h"
 
 /*******************************************************************************
@@ -35,11 +37,87 @@
  * Variables
  ******************************************************************************/
 
+char tcp_target[] = {192, 168, 250, 252};
+char* tcp_send_msg = "\n\nThis one is TCP pkg. Congratulations on you.\n\n";
+
 /*******************************************************************************
  * Code
  ******************************************************************************/
 
-void lwip_tcp_run(void)
+static void lwip_tcp_send_thread(void *arg)
+{
+  int cnt = 5;
+  lw_print("lwip_tcp_send_thread start.\n");
+
+  int sock_tcp_send_once = -1;
+  sock_tcp_send_once = socket(AF_INET, SOCK_STREAM, 0);
+  if (sock_tcp_send_once < 0)
+  {
+    lw_print("Socket error\n");
+    goto __exit;
+  }
+
+  struct sockaddr_in tcp_sock;
+  tcp_sock.sin_family = AF_INET;
+  tcp_sock.sin_port = htons(TARGET_PORT_CLIENT);
+  tcp_sock.sin_addr.s_addr = PP_HTONL(LWIP_MAKEU32(tcp_target[0],tcp_target[1],tcp_target[2],tcp_target[3]));
+  memset(&(tcp_sock.sin_zero), 0, sizeof(tcp_sock.sin_zero));
+
+  if (connect(sock_tcp_send_once, (struct sockaddr *)&tcp_sock, sizeof(struct sockaddr)))
+  {
+    lw_print("Unable to connect\n");
+    goto __exit;
+  }
+
+  lw_print("tcp connect success, start to send.\n");
+  lw_print("\n\nTarget Port:%d\n\n", tcp_sock.sin_port);
+
+  while (cnt --)
+  {
+    lw_print("Lwip client is running.\n");
+
+    sendto(sock_tcp_send_once,tcp_send_msg,
+     strlen(tcp_send_msg),0,
+     (struct sockaddr*)&tcp_sock,
+     sizeof(struct sockaddr));
+
+    lw_print("Send tcp msg: %s ", tcp_send_msg);
+
+    MdelayKTask(1000);
+  }
+  return;
+
+__exit:
+  if (sock_tcp_send_once >= 0) closesocket(sock_tcp_send_once);
+
+  return;
+}
+
+void
+lwip_tcp_send_init(void)
+{
+    sys_thread_new("tcp send", lwip_tcp_send_thread, NULL, 4096, 25);
+}
+
+
+void lwip_tcp_client_run(int argc, char *argv[])
+{
+    if(argc == 2)
+    {
+        lw_print("lw: [%s] gw %s\n", __func__, argv[1]);
+        sscanf(argv[1], "%d.%d.%d.%d", &tcp_target[0], &tcp_target[1], &tcp_target[2], &tcp_target[3]);
+    }
+
+    ETH_BSP_Config();
+    lwip_config_tcp(lwip_ipaddr, lwip_netmask, lwip_gwaddr);
+    lwip_tcp_send_init();
+}
+
+SHELL_EXPORT_CMD(SHELL_CMD_PERMISSION(0) | SHELL_CMD_TYPE(SHELL_TYPE_CMD_MAIN) | SHELL_CMD_PARAM_NUM(0),
+     LwTcpClient, lwip_tcp_client_run, TCP Client);
+
+
+void lwip_tcp_server_run(void)
 {
     ETH_BSP_Config();
     lwip_config_net(lwip_ipaddr, lwip_netmask, lwip_gwaddr);
@@ -47,5 +125,5 @@ void lwip_tcp_run(void)
 }
 
 SHELL_EXPORT_CMD(SHELL_CMD_PERMISSION(0) | SHELL_CMD_TYPE(SHELL_TYPE_CMD_MAIN) | SHELL_CMD_PARAM_NUM(0),
-     LwTcpTest, lwip_tcp_run, TCP raw echo);
+     LwTcpServer, lwip_tcp_server_run, TCP server);
 
diff --git a/APP_Framework/Applications/connection_app/lwip_demo/lwip_udp_demo.c b/APP_Framework/Applications/connection_app/lwip_demo/lwip_udp_demo.c
index fa03288a1..41dc48b39 100755
--- a/APP_Framework/Applications/connection_app/lwip_demo/lwip_udp_demo.c
+++ b/APP_Framework/Applications/connection_app/lwip_demo/lwip_udp_demo.c
@@ -40,6 +40,7 @@
  ******************************************************************************/
 
 static struct udp_pcb *udpecho_raw_pcb;
+char udp_target[] = {192, 168, 250, 252};
 
 /*******************************************************************************
  * Code
@@ -52,12 +53,18 @@ static void *lwip_udp_test(void* param)
     UdpEchoInit();
 }
 
-void lwip_udp_thread(void)
+void lwip_udp_thread(int argc, char *argv[])
 {
     int result = 0;
     pthread_t th_id;
     pthread_attr_t attr;
 
+    if(argc == 2)
+    {
+        lw_print("lw: [%s] gw %s\n", __func__, argv[1]);
+        sscanf(argv[1], "%d.%d.%d.%d", &udp_target[0], &udp_target[1], &udp_target[2], &udp_target[3]);
+    }
+
     attr.schedparam.sched_priority = UDP_TASK_PRIO;
     attr.stacksize = UDP_TASK_STACK_SIZE;
 
@@ -69,7 +76,7 @@ void lwip_udp_thread(void)
     }
 }
 
-SHELL_EXPORT_CMD(SHELL_CMD_PERMISSION(0) | SHELL_CMD_TYPE(SHELL_TYPE_CMD_MAIN) | SHELL_CMD_PARAM_NUM(0),
+SHELL_EXPORT_CMD(SHELL_CMD_PERMISSION(0) | SHELL_CMD_TYPE(SHELL_TYPE_CMD_MAIN) | SHELL_CMD_PARAM_NUM(3),
      LwUdpEcho, lwip_udp_thread, UDP send echo);
 
 static void
diff --git a/APP_Framework/Applications/connection_app/lwip_demo/ping.c b/APP_Framework/Applications/connection_app/lwip_demo/ping.c
index 28bb609cc..b1da4782b 100755
--- a/APP_Framework/Applications/connection_app/lwip_demo/ping.c
+++ b/APP_Framework/Applications/connection_app/lwip_demo/ping.c
@@ -69,12 +69,12 @@
 
 /** ping receive timeout - in milliseconds */
 #ifndef PING_RCV_TIMEO
-#define PING_RCV_TIMEO 1000
+#define PING_RCV_TIMEO 2000
 #endif
 
 /** ping delay - in milliseconds */
 #ifndef PING_DELAY
-#define PING_DELAY     3000
+#define PING_DELAY     1000
 #endif
 
 /** ping identifier - must fit on a u16_t */
@@ -275,7 +275,7 @@ ping_thread(void *arg)
   lw_print("lw: [%s] ping start!\n", __func__);
 
   ret = lwip_setsockopt(s, SOL_SOCKET, SO_RCVTIMEO, &timeout, sizeof(timeout));
-  LWIP_ASSERT("setting receive timeout failed", ret == 0);
+  LWIP_ASSERT("setting receive timeout failed", ret != 0);
   LWIP_UNUSED_ARG(ret);
 
   while (cnt --) {
@@ -363,13 +363,21 @@ ping_send(struct raw_pcb *raw, const ip_addr_t *addr)
 static void
 ping_timeout(void *arg)
 {
+  static int cnt = 3;
   struct raw_pcb *pcb = (struct raw_pcb*)arg;
 
   LWIP_ASSERT("ping_timeout: no pcb given!", pcb != NULL);
 
   ping_send(pcb, ping_target);
 
-  sys_timeout(PING_DELAY, ping_timeout, pcb);
+  if(cnt -- > 0)
+  {
+    sys_timeout(PING_DELAY, ping_timeout, pcb);
+  }
+  else
+  {
+    cnt = 3;
+  }
 }
 
 static void
diff --git a/APP_Framework/Applications/connection_app/lwip_demo/ping.h b/APP_Framework/Applications/connection_app/lwip_demo/ping.h
index 1f21c7b09..215fbe7f4 100755
--- a/APP_Framework/Applications/connection_app/lwip_demo/ping.h
+++ b/APP_Framework/Applications/connection_app/lwip_demo/ping.h
@@ -7,7 +7,7 @@
  * PING_USE_SOCKETS: Set to 1 to use sockets, otherwise the raw api is used
  */
 #ifndef PING_USE_SOCKETS
-#define PING_USE_SOCKETS    LWIP_SOCKET
+#define PING_USE_SOCKETS    0 //LWIP_SOCKET
 #endif
 
 void ping_init(const ip_addr_t* ping_addr);
diff --git a/APP_Framework/Applications/connection_app/lwip_demo/tcpecho_raw.c b/APP_Framework/Applications/connection_app/lwip_demo/tcpecho_raw.c
index 0ab7802fb..1f7ba5163 100755
--- a/APP_Framework/Applications/connection_app/lwip_demo/tcpecho_raw.c
+++ b/APP_Framework/Applications/connection_app/lwip_demo/tcpecho_raw.c
@@ -287,8 +287,7 @@ tcpecho_raw_init(void)
   tcpecho_raw_pcb = tcp_new_ip_type(IPADDR_TYPE_ANY);
   if (tcpecho_raw_pcb != NULL) {
     err_t err;
-//tst by wly
-    err = tcp_bind(tcpecho_raw_pcb, IP_ANY_TYPE, 4840);
+    err = tcp_bind(tcpecho_raw_pcb, IP_ANY_TYPE, LWIP_TEST_TCP_PORT);
     if (err == ERR_OK) {
       tcpecho_raw_pcb = tcp_listen(tcpecho_raw_pcb);
       tcp_accept(tcpecho_raw_pcb, tcpecho_raw_accept);
diff --git a/APP_Framework/Applications/connection_app/lwip_demo/tcpecho_raw.h b/APP_Framework/Applications/connection_app/lwip_demo/tcpecho_raw.h
index d6e14312b..de5dd5400 100755
--- a/APP_Framework/Applications/connection_app/lwip_demo/tcpecho_raw.h
+++ b/APP_Framework/Applications/connection_app/lwip_demo/tcpecho_raw.h
@@ -1,8 +1,8 @@
 /*
  * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
  *
  * 1. Redistributions of source code must retain the above copyright notice,
@@ -11,25 +11,27 @@
  *    this list of conditions and the following disclaimer in the documentation
  *    and/or other materials provided with the distribution.
  * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
+ *    derived from this software without specific prior written permission.
  *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
  * OF SUCH DAMAGE.
  *
  * This file is part of the lwIP TCP/IP stack.
- * 
+ *
  */
 #ifndef LWIP_TCPECHO_RAW_H
 #define LWIP_TCPECHO_RAW_H
 
+#define LWIP_TEST_TCP_PORT 4840
+
 void tcpecho_raw_init(void);
 
 #endif /* LWIP_TCPECHO_RAW_H */
diff --git a/APP_Framework/Applications/connection_app/lwip_demo/udp_echo.c b/APP_Framework/Applications/connection_app/lwip_demo/udp_echo.c
index ac3b14a77..483c23487 100755
--- a/APP_Framework/Applications/connection_app/lwip_demo/udp_echo.c
+++ b/APP_Framework/Applications/connection_app/lwip_demo/udp_echo.c
@@ -68,7 +68,7 @@
 
 #define RECV_DATA         (1024)
 
-char* send_msg = "\n\nThis one is UDP pkg. Congratulations on you.\n\n";
+char* udp_send_msg = "\n\nThis one is UDP pkg. Congratulations on you.\n\n";
 
 static void UdpEchoThreadServer(void *arg)
 {
@@ -150,7 +150,7 @@ static void UdpEchoThreadClient(void *arg)
   struct sockaddr_in udp_sock;
   udp_sock.sin_family = AF_INET;
   udp_sock.sin_port = htons(TARGET_PORT_CLIENT);
-  udp_sock.sin_addr.s_addr = PP_HTONL(LWIP_MAKEU32(IP_ADDR0_SERVER,IP_ADDR1_SERVER,IP_ADDR2_SERVER,IP_ADDR3_SERVER));
+  udp_sock.sin_addr.s_addr = PP_HTONL(LWIP_MAKEU32(udp_target[0],udp_target[1],udp_target[2],udp_target[3]));
   memset(&(udp_sock.sin_zero), 0, sizeof(udp_sock.sin_zero));
 
   if (connect(sock_udp_send_once, (struct sockaddr *)&udp_sock, sizeof(struct sockaddr)))
@@ -166,12 +166,12 @@ static void UdpEchoThreadClient(void *arg)
   {
     KPrintf("Lwip client is running.\n");
 
-    sendto(sock_udp_send_once,send_msg,
-     strlen(send_msg),0,
+    sendto(sock_udp_send_once,udp_send_msg,
+     strlen(udp_send_msg),0,
      (struct sockaddr*)&udp_sock,
      sizeof(struct sockaddr));
 
-    KPrintf("Send UDP msg: %s ", send_msg);
+    lw_pr_info("Send UDP msg: %s ", udp_send_msg);
 
     MdelayKTask(1000);
   }
diff --git a/APP_Framework/Applications/connection_app/lwip_demo/udp_echo.h b/APP_Framework/Applications/connection_app/lwip_demo/udp_echo.h
index 84171876e..dc3d4f9da 100755
--- a/APP_Framework/Applications/connection_app/lwip_demo/udp_echo.h
+++ b/APP_Framework/Applications/connection_app/lwip_demo/udp_echo.h
@@ -1,8 +1,8 @@
 /*
  * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
  *
  * 1. Redistributions of source code must retain the above copyright notice,
@@ -11,21 +11,21 @@
  *    this list of conditions and the following disclaimer in the documentation
  *    and/or other materials provided with the distribution.
  * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
+ *    derived from this software without specific prior written permission.
  *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
  * OF SUCH DAMAGE.
  *
  * This file is part of the lwIP TCP/IP stack.
- * 
+ *
  * Author: Adam Dunkels <adam@sics.se>
  *
  */
@@ -34,6 +34,8 @@
 #ifndef LWIP_TCPECHO_H
 #define LWIP_TCPECHO_H
 
+extern char udp_target[];
+
 void UdpEchoInit(void);
 
 
diff --git a/Ubiquitous/XiUOS/resources/ethernet/LwIP/arch/lwipopts.h b/Ubiquitous/XiUOS/resources/ethernet/LwIP/arch/lwipopts.h
index a0165e145..a05f1291f 100644
--- a/Ubiquitous/XiUOS/resources/ethernet/LwIP/arch/lwipopts.h
+++ b/Ubiquitous/XiUOS/resources/ethernet/LwIP/arch/lwipopts.h
@@ -107,7 +107,7 @@ a lot of data that needs to be copied, this should be set high. */
 #define TCP_SND_QUEUELEN        (8* TCP_SND_BUF/TCP_MSS)
 
 /* TCP receive window. */
-#define TCP_WND                 16000//(12*TCP_MSS)
+#define TCP_WND                 (12*TCP_MSS)
 
 
 /* ---------- ICMP options ---------- */
@@ -254,7 +254,7 @@ typedef unsigned int nfds_t;
 #define lw_print //KPrintf
 #define lw_trace() //KPrintf("lw: [%s][%d] passed!\n", __func__, __LINE__)
 #define lw_error() //KPrintf("lw: [%s][%d] failed!\n", __func__, __LINE__)
-
+#define lw_pr_info KPrintf
 #endif /* __LWIPOPTS_H__ */
 
 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/Ubiquitous/XiUOS/resources/ethernet/LwIP/arch/sys_arch.c b/Ubiquitous/XiUOS/resources/ethernet/LwIP/arch/sys_arch.c
index a8b923600..1f10ac32a 100644
--- a/Ubiquitous/XiUOS/resources/ethernet/LwIP/arch/sys_arch.c
+++ b/Ubiquitous/XiUOS/resources/ethernet/LwIP/arch/sys_arch.c
@@ -516,16 +516,16 @@ void lwip_config_net(char *ip, char *mask, char *gw)
   netif_set_default(&gnetif);
   netif_set_up(&gnetif);
 
-  lw_print("\r\n************************************************\r\n");
-  lw_print(" Network Configuration\r\n");
-  lw_print("************************************************\r\n");
-  lw_print(" IPv4 Address   : %u.%u.%u.%u\r\n", ((u8_t *)&net_ipaddr)[0], ((u8_t *)&net_ipaddr)[1],
+  lw_pr_info("\r\n************************************************\r\n");
+  lw_pr_info(" Network Configuration\r\n");
+  lw_pr_info("************************************************\r\n");
+  lw_pr_info(" IPv4 Address   : %u.%u.%u.%u\r\n", ((u8_t *)&net_ipaddr)[0], ((u8_t *)&net_ipaddr)[1],
        ((u8_t *)&net_ipaddr)[2], ((u8_t *)&net_ipaddr)[3]);
-  lw_print(" IPv4 Subnet mask : %u.%u.%u.%u\r\n", ((u8_t *)&net_netmask)[0], ((u8_t *)&net_netmask)[1],
+  lw_pr_info(" IPv4 Subnet mask : %u.%u.%u.%u\r\n", ((u8_t *)&net_netmask)[0], ((u8_t *)&net_netmask)[1],
        ((u8_t *)&net_netmask)[2], ((u8_t *)&net_netmask)[3]);
-  lw_print(" IPv4 Gateway   : %u.%u.%u.%u\r\n", ((u8_t *)&net_gw)[0], ((u8_t *)&net_gw)[1],
+  lw_pr_info(" IPv4 Gateway   : %u.%u.%u.%u\r\n", ((u8_t *)&net_gw)[0], ((u8_t *)&net_gw)[1],
        ((u8_t *)&net_gw)[2], ((u8_t *)&net_gw)[3]);
-  lw_print("************************************************\r\n");
+  lw_pr_info("************************************************\r\n");
 
   lwip_config_input(&gnetif);
 }