diff --git a/bsp_z7/lwip/lwipopts.h b/bsp_z7/lwip/lwipopts.h
index 3a3f922..df3b981 100644
--- a/bsp_z7/lwip/lwipopts.h
+++ b/bsp_z7/lwip/lwipopts.h
@@ -44,17 +44,17 @@
 #define LWIP_NETCONN               (NO_SYS==0)
 #define LWIP_NETIF_API             (NO_SYS==0)
 
-#define LWIP_IGMP                  LWIP_IPV4
+#define LWIP_IGMP                  0
 #define LWIP_ICMP                  LWIP_IPV4
 
-#define LWIP_SNMP                  LWIP_UDP
+#define LWIP_SNMP                  0
 //#define MIB2_STATS                 LWIP_SNMP
 #ifdef LWIP_HAVE_MBEDTLS
 #define LWIP_SNMP_V3               (LWIP_SNMP)
 #endif
 
-#define LWIP_DNS                   LWIP_UDP
-#define LWIP_MDNS_RESPONDER        LWIP_UDP
+#define LWIP_DNS                   0
+#define LWIP_MDNS_RESPONDER        0
 
 #define LWIP_NUM_NETIF_CLIENT_DATA (LWIP_MDNS_RESPONDER)
 
@@ -79,10 +79,10 @@
 #ifdef LWIP_DEBUG
 
 #define LWIP_DBG_MIN_LEVEL         LWIP_DBG_LEVEL_ALL
-#define PPP_DEBUG                  LWIP_DBG_ON
-#define MEM_DEBUG                  LWIP_DBG_ON
-#define MEMP_DEBUG                 LWIP_DBG_ON
-#define PBUF_DEBUG                 LWIP_DBG_ON
+#define PPP_DEBUG                  LWIP_DBG_OFF
+#define MEM_DEBUG                  LWIP_DBG_OFF
+#define MEMP_DEBUG                 LWIP_DBG_OFF
+#define PBUF_DEBUG                 LWIP_DBG_OFF
 #define API_LIB_DEBUG              LWIP_DBG_ON
 #define API_MSG_DEBUG              LWIP_DBG_ON
 #define TCPIP_DEBUG                LWIP_DBG_ON
@@ -96,7 +96,7 @@
 #define ICMP_DEBUG                 LWIP_DBG_ON
 #define IGMP_DEBUG                 LWIP_DBG_ON
 #define UDP_DEBUG                  LWIP_DBG_ON
-#define TCP_DEBUG                  LWIP_DBG_ON
+#define TCP_DEBUG                  LWIP_DBG_OFF
 #define TCP_INPUT_DEBUG            LWIP_DBG_OFF
 #define TCP_OUTPUT_DEBUG           LWIP_DBG_OFF
 #define TCP_RTO_DEBUG              LWIP_DBG_OFF
@@ -105,6 +105,8 @@
 #define TCP_FR_DEBUG               LWIP_DBG_OFF
 #define TCP_QLEN_DEBUG             LWIP_DBG_OFF
 #define TCP_RST_DEBUG              LWIP_DBG_OFF
+#define TIMERS_DEBUG               LWIP_DBG_ON
+#define LWIP_DEBUG_TIMERNAMES      LWIP_DBG_ON
 #endif
 
 #define LWIP_DBG_TYPES_ON         (LWIP_DBG_ON|LWIP_DBG_TRACE|LWIP_DBG_STATE|LWIP_DBG_FRESH|LWIP_DBG_HALT)
diff --git a/bsp_z7/ps7_cortexa9_0/libsrc/standalone/src/outbyte.c b/bsp_z7/ps7_cortexa9_0/libsrc/standalone/src/outbyte.c
index c7a3b12..db60e6d 100644
--- a/bsp_z7/ps7_cortexa9_0/libsrc/standalone/src/outbyte.c
+++ b/bsp_z7/ps7_cortexa9_0/libsrc/standalone/src/outbyte.c
@@ -15,5 +15,5 @@ void outbyte(char c);
 #endif 
 
 void outbyte(char c) {
-	 //XUartPs_SendByte(STDOUT_BASEADDRESS, c);
+	 XUartPs_SendByte(STDOUT_BASEADDRESS, c);
 }
diff --git a/mission/testIp.cpp b/mission/testIp.cpp
index 3d1c9a0..8bdad45 100644
--- a/mission/testIp.cpp
+++ b/mission/testIp.cpp
@@ -66,4 +66,5 @@ void testIp() {
 
   sendto(serverSocket, data, sizeof(data), 0, (sockaddr *)&serverAddr,
          sizeof(serverAddr));
+  puts("send done");
 }
\ No newline at end of file