diff --git a/package/kernel/modules/netsupport.mk b/package/kernel/modules/netsupport.mk
index 58fef46690..afe6b62fa4 100644
--- a/package/kernel/modules/netsupport.mk
+++ b/package/kernel/modules/netsupport.mk
@@ -301,6 +301,7 @@ define KernelPackage/ipv6
 	CONFIG_IPV6 \
 	CONFIG_IPV6_PRIVACY=y \
 	CONFIG_IPV6_MULTIPLE_TABLES=y \
+	CONFIG_IPV6_MROUTE=y \
 	CONFIG_IPV6_SUBTREES=y
   FILES:=$(LINUX_DIR)/net/ipv6/ipv6.$(LINUX_KMOD_SUFFIX)
   AUTOLOAD:=$(call AutoLoad,20,ipv6)
diff --git a/target/linux/generic-2.6/config-2.6.21 b/target/linux/generic-2.6/config-2.6.21
index c7d1a208e3..512dc16ce5 100644
--- a/target/linux/generic-2.6/config-2.6.21
+++ b/target/linux/generic-2.6/config-2.6.21
@@ -529,7 +529,7 @@ CONFIG_IP_DCCP_CCID3_RTO=100
 CONFIG_IP_FIB_HASH=y
 # CONFIG_IP_FIB_TRIE is not set
 # CONFIG_IPMI_HANDLER is not set
-# CONFIG_IP_MROUTE is not set
+CONFIG_IP_MROUTE=y
 CONFIG_IP_MULTICAST=y
 CONFIG_IP_MULTIPLE_TABLES=y
 # CONFIG_IP_NF_AMANDA is not set
@@ -602,6 +602,8 @@ CONFIG_IP_NF_TARGET_TCPMSS=y
 # CONFIG_IP_NF_TARGET_TTL is not set
 # CONFIG_IP_NF_TARGET_ULOG is not set
 # CONFIG_IP_NF_TFTP is not set
+# CONFIG_IP_PIMSM_V1 is not set
+# CONFIG_IP_PIMSM_V2 is not set
 # CONFIG_IP_PNP is not set
 CONFIG_IP_ROUTE_FWMARK=y
 CONFIG_IP_ROUTE_MULTIPATH_CACHED=y
diff --git a/target/linux/generic-2.6/config-2.6.23 b/target/linux/generic-2.6/config-2.6.23
index bc1d29749b..2dec5de23f 100644
--- a/target/linux/generic-2.6/config-2.6.23
+++ b/target/linux/generic-2.6/config-2.6.23
@@ -574,7 +574,7 @@ CONFIG_IP_ADVANCED_ROUTER=y
 CONFIG_IP_FIB_HASH=y
 # CONFIG_IP_FIB_TRIE is not set
 # CONFIG_IPMI_HANDLER is not set
-# CONFIG_IP_MROUTE is not set
+CONFIG_IP_MROUTE=y
 CONFIG_IP_MULTICAST=y
 CONFIG_IP_MULTIPLE_TABLES=y
 # CONFIG_IP_NF_AMANDA is not set
@@ -645,6 +645,8 @@ CONFIG_IP_NF_SET_MAX=256
 # CONFIG_IP_NF_TARGET_TTL is not set
 # CONFIG_IP_NF_TARGET_ULOG is not set
 # CONFIG_IP_NF_TFTP is not set
+# CONFIG_IP_PIMSM_V1 is not set
+# CONFIG_IP_PIMSM_V2 is not set
 # CONFIG_IP_PNP is not set
 CONFIG_IP_ROUTE_FWMARK=y
 CONFIG_IP_ROUTE_MULTIPATH_CACHED=y
diff --git a/target/linux/generic-2.6/config-2.6.25 b/target/linux/generic-2.6/config-2.6.25
index 0082e4e0bd..a2408fa888 100644
--- a/target/linux/generic-2.6/config-2.6.25
+++ b/target/linux/generic-2.6/config-2.6.25
@@ -609,7 +609,7 @@ CONFIG_IP_ADVANCED_ROUTER=y
 CONFIG_IP_FIB_HASH=y
 # CONFIG_IP_FIB_TRIE is not set
 # CONFIG_IPMI_HANDLER is not set
-# CONFIG_IP_MROUTE is not set
+CONFIG_IP_MROUTE=y
 CONFIG_IP_MULTICAST=y
 CONFIG_IP_MULTIPLE_TABLES=y
 # CONFIG_IP_NF_AMANDA is not set
@@ -679,6 +679,8 @@ CONFIG_IP_NF_SET_MAX=256
 # CONFIG_IP_NF_TARGET_TTL is not set
 # CONFIG_IP_NF_TARGET_ULOG is not set
 # CONFIG_IP_NF_TFTP is not set
+# CONFIG_IP_PIMSM_V1 is not set
+# CONFIG_IP_PIMSM_V2 is not set
 # CONFIG_IP_PNP is not set
 CONFIG_IP_ROUTE_FWMARK=y
 CONFIG_IP_ROUTE_MULTIPATH_CACHED=y
diff --git a/target/linux/generic-2.6/config-2.6.27 b/target/linux/generic-2.6/config-2.6.27
index 63a066cca9..8da33dc52e 100644
--- a/target/linux/generic-2.6/config-2.6.27
+++ b/target/linux/generic-2.6/config-2.6.27
@@ -665,7 +665,7 @@ CONFIG_IP_ADVANCED_ROUTER=y
 CONFIG_IP_FIB_HASH=y
 # CONFIG_IP_FIB_TRIE is not set
 # CONFIG_IPMI_HANDLER is not set
-# CONFIG_IP_MROUTE is not set
+CONFIG_IP_MROUTE=y
 CONFIG_IP_MULTICAST=y
 CONFIG_IP_MULTIPLE_TABLES=y
 # CONFIG_IP_NF_AMANDA is not set
@@ -735,6 +735,8 @@ CONFIG_IP_NF_SET_MAX=256
 # CONFIG_IP_NF_TARGET_TTL is not set
 # CONFIG_IP_NF_TARGET_ULOG is not set
 # CONFIG_IP_NF_TFTP is not set
+# CONFIG_IP_PIMSM_V1 is not set
+# CONFIG_IP_PIMSM_V2 is not set
 # CONFIG_IP_PNP is not set
 CONFIG_IP_ROUTE_FWMARK=y
 CONFIG_IP_ROUTE_MULTIPATH_CACHED=y
diff --git a/target/linux/generic-2.6/config-2.6.28 b/target/linux/generic-2.6/config-2.6.28
index 25a0dd84df..f86b924325 100644
--- a/target/linux/generic-2.6/config-2.6.28
+++ b/target/linux/generic-2.6/config-2.6.28
@@ -720,7 +720,7 @@ CONFIG_IP_ADVANCED_ROUTER=y
 CONFIG_IP_FIB_HASH=y
 # CONFIG_IP_FIB_TRIE is not set
 # CONFIG_IPMI_HANDLER is not set
-# CONFIG_IP_MROUTE is not set
+CONFIG_IP_MROUTE=y
 CONFIG_IP_MULTICAST=y
 CONFIG_IP_MULTIPLE_TABLES=y
 # CONFIG_IP_NF_AMANDA is not set
@@ -790,6 +790,8 @@ CONFIG_IP_NF_SET_MAX=256
 # CONFIG_IP_NF_TARGET_TTL is not set
 # CONFIG_IP_NF_TARGET_ULOG is not set
 # CONFIG_IP_NF_TFTP is not set
+# CONFIG_IP_PIMSM_V1 is not set
+# CONFIG_IP_PIMSM_V2 is not set
 # CONFIG_IP_PNP is not set
 CONFIG_IP_ROUTE_FWMARK=y
 CONFIG_IP_ROUTE_MULTIPATH_CACHED=y
diff --git a/target/linux/generic-2.6/config-2.6.30 b/target/linux/generic-2.6/config-2.6.30
index f2be697a2d..488e78acdf 100644
--- a/target/linux/generic-2.6/config-2.6.30
+++ b/target/linux/generic-2.6/config-2.6.30
@@ -759,7 +759,7 @@ CONFIG_IP_ADVANCED_ROUTER=y
 CONFIG_IP_FIB_HASH=y
 # CONFIG_IP_FIB_TRIE is not set
 # CONFIG_IPMI_HANDLER is not set
-# CONFIG_IP_MROUTE is not set
+CONFIG_IP_MROUTE=y
 CONFIG_IP_MULTICAST=y
 CONFIG_IP_MULTIPLE_TABLES=y
 # CONFIG_IP_NF_AMANDA is not set
@@ -830,6 +830,8 @@ CONFIG_IP_NF_SET_MAX=256
 # CONFIG_IP_NF_TARGET_TTL is not set
 # CONFIG_IP_NF_TARGET_ULOG is not set
 # CONFIG_IP_NF_TFTP is not set
+# CONFIG_IP_PIMSM_V1 is not set
+# CONFIG_IP_PIMSM_V2 is not set
 # CONFIG_IP_PNP is not set
 CONFIG_IP_ROUTE_FWMARK=y
 CONFIG_IP_ROUTE_MULTIPATH_CACHED=y