diff --git a/bsp/at91sam9260/rtconfig.h b/bsp/at91sam9260/rtconfig.h
index ab6ebb0551..478260cc20 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 829ff43616..c4158624d4 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 aae28c550f..a0835068c7 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 4f190ed5b9..77b81d4b48 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/microblaze/rtconfig.h b/bsp/microblaze/rtconfig.h
index 00aa52480c..827efea543 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 97520e1bd9..b5a0d51945 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 4904f458cb..11d663b5e9 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