diff --git a/bsp/at91sam9260/rtconfig.h b/bsp/at91sam9260/rtconfig.h
index 478260cc2..ab6ebb055 100755
--- a/bsp/at91sam9260/rtconfig.h
+++ b/bsp/at91sam9260/rtconfig.h
@@ -141,7 +141,7 @@
 #define RT_LWIP_ICMP
 
 /* Enable IGMP protocol */
-#define RT_LWIP_IGMP
+//#define RT_LWIP_IGMP
 
 /* Enable UDP protocol */
 #define RT_LWIP_UDP
diff --git a/bsp/lm3s8962/rtconfig.h b/bsp/lm3s8962/rtconfig.h
index c4158624d..829ff4361 100644
--- a/bsp/lm3s8962/rtconfig.h
+++ b/bsp/lm3s8962/rtconfig.h
@@ -99,7 +99,7 @@
 #define RT_LWIP_ICMP
 
 /* Enable IGMP protocol*/
-#define RT_LWIP_IGMP
+//#define RT_LWIP_IGMP
 
 /* Enable UDP protocol*/
 #define RT_LWIP_UDP
diff --git a/bsp/lm3s9b9x/rtconfig.h b/bsp/lm3s9b9x/rtconfig.h
index a0835068c..aae28c550 100644
--- a/bsp/lm3s9b9x/rtconfig.h
+++ b/bsp/lm3s9b9x/rtconfig.h
@@ -99,7 +99,7 @@
 #define RT_LWIP_ICMP
 
 /* Enable IGMP protocol*/
-#define RT_LWIP_IGMP
+//#define RT_LWIP_IGMP
 
 /* Enable UDP protocol*/
 #define RT_LWIP_UDP
diff --git a/bsp/lpc2148/rtconfig.h b/bsp/lpc2148/rtconfig.h
index 77b81d4b4..4f190ed5b 100644
--- a/bsp/lpc2148/rtconfig.h
+++ b/bsp/lpc2148/rtconfig.h
@@ -107,7 +107,7 @@
 #define RT_LWIP_ICMP
 
 /* Enable IGMP protocol*/
-#define RT_LWIP_IGMP
+//#define RT_LWIP_IGMP
 
 /* Enable UDP protocol*/
 #define RT_LWIP_UDP
diff --git a/bsp/lpc2478/rtconfig.h b/bsp/lpc2478/rtconfig.h
index d1a5d9d52..6a42492f4 100644
--- a/bsp/lpc2478/rtconfig.h
+++ b/bsp/lpc2478/rtconfig.h
@@ -87,7 +87,7 @@
 #define RT_LWIP_ICMP
 
 /* Enable IGMP protocol*/
-#define RT_LWIP_IGMP
+//#define RT_LWIP_IGMP
 
 /* Enable UDP protocol*/
 #define RT_LWIP_UDP
diff --git a/bsp/microblaze/rtconfig.h b/bsp/microblaze/rtconfig.h
index 827efea54..00aa52480 100755
--- a/bsp/microblaze/rtconfig.h
+++ b/bsp/microblaze/rtconfig.h
@@ -126,7 +126,7 @@
 #define RT_LWIP_ICMP
 
 /* Enable IGMP protocol*/
-#define RT_LWIP_IGMP
+//#define RT_LWIP_IGMP
 
 /* Enable UDP protocol*/
 #define RT_LWIP_UDP
diff --git a/bsp/mini4020/rtconfig.h b/bsp/mini4020/rtconfig.h
index b5a0d5194..97520e1bd 100644
--- a/bsp/mini4020/rtconfig.h
+++ b/bsp/mini4020/rtconfig.h
@@ -110,7 +110,7 @@
 #define RT_LWIP_ICMP
 
 /* Enable IGMP protocol */
-#define RT_LWIP_IGMP
+//#define RT_LWIP_IGMP
 
 /* Enable UDP protocol */
 #define RT_LWIP_UDP
diff --git a/bsp/wh44b0/rtconfig.h b/bsp/wh44b0/rtconfig.h
index 11d663b5e..4904f458c 100644
--- a/bsp/wh44b0/rtconfig.h
+++ b/bsp/wh44b0/rtconfig.h
@@ -84,7 +84,7 @@
 #define RT_LWIP_ICMP
 
 /* Enable IGMP protocol*/
-#define RT_LWIP_IGMP
+//#define RT_LWIP_IGMP
 
 /* Enable UDP protocol*/
 #define RT_LWIP_UDP