diff --git a/configs/stm3240g-eval/dhcpd/defconfig b/configs/stm3240g-eval/dhcpd/defconfig
index c2f3440f39f..3675f5b8524 100755
--- a/configs/stm3240g-eval/dhcpd/defconfig
+++ b/configs/stm3240g-eval/dhcpd/defconfig
@@ -718,9 +718,13 @@ CONFIG_MMCSD_HAVECARDDETECT=n
 # CONFIG_NET_PINGADDRCONF - Use "ping" packet for setting IP address
 # CONFIG_NET_STATISTICS - uIP statistics on or off
 # CONFIG_NET_RECEIVE_WINDOW - The size of the advertised receiver's window
-# CONFIG_NET_ARPTAB_SIZE - The size of the ARP table
 # CONFIG_NET_BROADCAST - Broadcast support
-# CONFIG_NET_FWCACHE_SIZE - number of packets to remember when looking for duplicates
+# CONFIG_NET_ARPTAB_SIZE - The size of the ARP table
+# CONFIG_NET_ARP_IPIN - Harvest IP/MAC address mappings from the ARP table
+#   from incoming IP packets.
+# CONFIG_NET_MULTICAST - Outgoing multi-cast address support
+# CONFIG_NET_FWCACHE_SIZE - number of packets to remember when
+#   looking for duplicates
 #
 CONFIG_NET=y
 CONFIG_NET_NOINTS=n
@@ -743,8 +747,10 @@ CONFIG_NET_ICMP_PING=n
 #CONFIG_NET_PINGADDRCONF=0
 CONFIG_NET_STATISTICS=n
 #CONFIG_NET_RECEIVE_WINDOW=
-#CONFIG_NET_ARPTAB_SIZE=8
 CONFIG_NET_BROADCAST=y
+#CONFIG_NET_ARPTAB_SIZE=8
+CONFIG_NET_ARP_IPIN=n
+CONFIG_NET_MULTICAST=n
 #CONFIG_NET_FWCACHE_SIZE=2
 
 #
diff --git a/configs/stm3240g-eval/nettest/defconfig b/configs/stm3240g-eval/nettest/defconfig
index 94b8075db94..6884ad3d7e6 100755
--- a/configs/stm3240g-eval/nettest/defconfig
+++ b/configs/stm3240g-eval/nettest/defconfig
@@ -718,9 +718,13 @@ CONFIG_MMCSD_HAVECARDDETECT=n
 # CONFIG_NET_PINGADDRCONF - Use "ping" packet for setting IP address
 # CONFIG_NET_STATISTICS - uIP statistics on or off
 # CONFIG_NET_RECEIVE_WINDOW - The size of the advertised receiver's window
-# CONFIG_NET_ARPTAB_SIZE - The size of the ARP table
 # CONFIG_NET_BROADCAST - Broadcast support
-# CONFIG_NET_FWCACHE_SIZE - number of packets to remember when looking for duplicates
+# CONFIG_NET_ARPTAB_SIZE - The size of the ARP table
+# CONFIG_NET_ARP_IPIN - Harvest IP/MAC address mappings from the ARP table
+#   from incoming IP packets.
+# CONFIG_NET_MULTICAST - Outgoing multi-cast address support
+# CONFIG_NET_FWCACHE_SIZE - number of packets to remember when
+#   looking for duplicates
 #
 CONFIG_NET=y
 CONFIG_NET_NOINTS=n
@@ -743,8 +747,10 @@ CONFIG_NET_ICMP_PING=n
 #CONFIG_NET_PINGADDRCONF=0
 CONFIG_NET_STATISTICS=n
 #CONFIG_NET_RECEIVE_WINDOW=
-#CONFIG_NET_ARPTAB_SIZE=8
 CONFIG_NET_BROADCAST=n
+#CONFIG_NET_ARPTAB_SIZE=8
+CONFIG_NET_ARP_IPIN=n
+CONFIG_NET_MULTICAST=n
 #CONFIG_NET_FWCACHE_SIZE=2
 
 #
diff --git a/configs/stm3240g-eval/nsh/defconfig b/configs/stm3240g-eval/nsh/defconfig
index 3424ec32212..52a7ccfa304 100755
--- a/configs/stm3240g-eval/nsh/defconfig
+++ b/configs/stm3240g-eval/nsh/defconfig
@@ -723,9 +723,13 @@ CONFIG_MMCSD_HAVECARDDETECT=n
 # CONFIG_NET_PINGADDRCONF - Use "ping" packet for setting IP address
 # CONFIG_NET_STATISTICS - uIP statistics on or off
 # CONFIG_NET_RECEIVE_WINDOW - The size of the advertised receiver's window
-# CONFIG_NET_ARPTAB_SIZE - The size of the ARP table
 # CONFIG_NET_BROADCAST - Broadcast support
-# CONFIG_NET_FWCACHE_SIZE - number of packets to remember when looking for duplicates
+# CONFIG_NET_ARPTAB_SIZE - The size of the ARP table
+# CONFIG_NET_ARP_IPIN - Harvest IP/MAC address mappings from the ARP table
+#   from incoming IP packets.
+# CONFIG_NET_MULTICAST - Outgoing multi-cast address support
+# CONFIG_NET_FWCACHE_SIZE - number of packets to remember when
+#   looking for duplicates
 #
 CONFIG_NET=y
 CONFIG_NET_NOINTS=n
@@ -748,8 +752,10 @@ CONFIG_NET_ICMP_PING=y
 #CONFIG_NET_PINGADDRCONF=0
 CONFIG_NET_STATISTICS=y
 #CONFIG_NET_RECEIVE_WINDOW=
-#CONFIG_NET_ARPTAB_SIZE=8
 CONFIG_NET_BROADCAST=n
+#CONFIG_NET_ARPTAB_SIZE=8
+CONFIG_NET_ARP_IPIN=n
+CONFIG_NET_MULTICAST=n
 #CONFIG_NET_FWCACHE_SIZE=2
 
 #
diff --git a/configs/stm3240g-eval/ostest/defconfig b/configs/stm3240g-eval/ostest/defconfig
index 8acda4c6bfd..2b51d88c7db 100755
--- a/configs/stm3240g-eval/ostest/defconfig
+++ b/configs/stm3240g-eval/ostest/defconfig
@@ -681,9 +681,13 @@ CONFIG_MMCSD_HAVECARDDETECT=n
 # CONFIG_NET_PINGADDRCONF - Use "ping" packet for setting IP address
 # CONFIG_NET_STATISTICS - uIP statistics on or off
 # CONFIG_NET_RECEIVE_WINDOW - The size of the advertised receiver's window
-# CONFIG_NET_ARPTAB_SIZE - The size of the ARP table
 # CONFIG_NET_BROADCAST - Broadcast support
-# CONFIG_NET_FWCACHE_SIZE - number of packets to remember when looking for duplicates
+# CONFIG_NET_ARPTAB_SIZE - The size of the ARP table
+# CONFIG_NET_ARP_IPIN - Harvest IP/MAC address mappings from the ARP table
+#   from incoming IP packets.
+# CONFIG_NET_MULTICAST - Outgoing multi-cast address support
+# CONFIG_NET_FWCACHE_SIZE - number of packets to remember when
+#   looking for duplicates
 #
 CONFIG_NET=n
 CONFIG_NET_NOINTS=n
@@ -703,8 +707,10 @@ CONFIG_NET_ICMP_PING=n
 #CONFIG_NET_PINGADDRCONF=0
 CONFIG_NET_STATISTICS=y
 #CONFIG_NET_RECEIVE_WINDOW=
-#CONFIG_NET_ARPTAB_SIZE=8
 CONFIG_NET_BROADCAST=n
+#CONFIG_NET_ARPTAB_SIZE=8
+CONFIG_NET_ARP_IPIN=n
+CONFIG_NET_MULTICAST=n
 #CONFIG_NET_FWCACHE_SIZE=2
 
 #