diff --git a/bsp/at91sam9260/rtconfig.h b/bsp/at91sam9260/rtconfig.h
index ab6ebb0551ea0c3f3d1c2b48c9e1ce63ff28f51d..478260cc2089f32f0f4104df8eaca8d61380969b 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 829ff436160851811d9f87c791d5cdcf552e0629..c4158624d485a761db8f7cd777feee498733108a 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 aae28c550f859ea6255b037afa0a603c6ac392c4..a0835068c7eecb4217fb8298fb992ae019812381 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 4f190ed5b96a8c2527981a110c3a07ba5c40ece5..77b81d4b48d972693bff8592289c20abb2eee4d9 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 00aa52480ced4979617d382881c834cbd6795ebb..827efea5439241c92d5efd95371f8180aecdc182 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 97520e1bd9b7b04720aa91f2935eedec91af0ade..b5a0d5194542255042ff9ab27f2001c63f5f4a7a 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 4904f458cb291e5017b6ffc34214059ff526559e..11d663b5e97ca0c0440d0378adbc13ee11af2f56 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