diff --git a/Ubiquitous/XiZi_IIoT/arch/arm/cortex-m7/Makefile b/Ubiquitous/XiZi_IIoT/arch/arm/cortex-m7/Makefile
index 509b1107c..e77845c7e 100644
--- a/Ubiquitous/XiZi_IIoT/arch/arm/cortex-m7/Makefile
+++ b/Ubiquitous/XiZi_IIoT/arch/arm/cortex-m7/Makefile
@@ -2,6 +2,10 @@ ifeq ($(CONFIG_BOARD_CORTEX_M7_EVB),y)
 SRC_FILES := boot.S  interrupt.c interrupt_vector.S
 endif
 
+ifeq ($(CONFIG_BOARD_IMXRT1176_SBC_EVB),y)
+SRC_FILES := boot.S  interrupt.c interrupt_vector.S
+endif
+
 ifeq ($(CONFIG_BOARD_CORTEX_V2M_EVB),y)
 SRC_DIR += V2M
 endif
diff --git a/Ubiquitous/XiZi_IIoT/board/imxrt1176-sbc/third_party_driver/ethernet/enet_ethernetif.c b/Ubiquitous/XiZi_IIoT/board/imxrt1176-sbc/third_party_driver/ethernet/enet_ethernetif.c
index ac69b5cc0..27f6ca749 100644
--- a/Ubiquitous/XiZi_IIoT/board/imxrt1176-sbc/third_party_driver/ethernet/enet_ethernetif.c
+++ b/Ubiquitous/XiZi_IIoT/board/imxrt1176-sbc/third_party_driver/ethernet/enet_ethernetif.c
@@ -231,6 +231,19 @@ void ethernetif_input(void *netif_arg)
     }
 }
 
+/**
+ * This function should be called when a packet is ready to be read
+ * from the interface. It uses the function ethernetif_linkinput() that
+ * should handle the actual reception of bytes from the network
+ * interface. Then the type of the received packet is determined and
+ * the appropriate input function is called.
+ *
+ * @param netif the lwip network interface structure for this ethernetif
+ */
+void ethernetif_input2(void *netif_arg){
+    ethernetif_input(netif_arg);
+}
+
 void *ethernetif_get_enet_base(const uint8_t enetIdx)
 {
     ENET_Type *enets[] = ENET_BASE_PTRS;
diff --git a/Ubiquitous/XiZi_IIoT/board/imxrt1176-sbc/third_party_driver/include/enet_ethernetif.h b/Ubiquitous/XiZi_IIoT/board/imxrt1176-sbc/third_party_driver/include/enet_ethernetif.h
index e8fb06718..f7b1fb943 100644
--- a/Ubiquitous/XiZi_IIoT/board/imxrt1176-sbc/third_party_driver/include/enet_ethernetif.h
+++ b/Ubiquitous/XiZi_IIoT/board/imxrt1176-sbc/third_party_driver/include/enet_ethernetif.h
@@ -160,6 +160,7 @@ err_t ethernetif1_init(struct netif *netif);
  * @param netif the lwip network interface structure for this ethernetif
  */
 void ethernetif_input( void *netif_arg);
+void ethernetif_input2( void *netif_arg);
 
 int ETH_BSP_Config(void);
 void *ethernetif_config_enet_set(uint8_t enet_port);
diff --git a/Ubiquitous/XiZi_IIoT/resources/ethernet/LwIP/arch/lwipopts.h b/Ubiquitous/XiZi_IIoT/resources/ethernet/LwIP/arch/lwipopts.h
index ffbb51d74..023b4280b 100644
--- a/Ubiquitous/XiZi_IIoT/resources/ethernet/LwIP/arch/lwipopts.h
+++ b/Ubiquitous/XiZi_IIoT/resources/ethernet/LwIP/arch/lwipopts.h
@@ -506,7 +506,9 @@ The STM32F4x7 allows computing and verifying the IP, UDP, TCP and ICMP checksums
 #define IP_REASSEMBLY 1
 #define IP_FRAG 1
 #define IP_REASS_MAX_PBUFS 10
+#ifndef MEMP_NUM_REASSDATA
 #define MEMP_NUM_REASSDATA 10
+#endif
 #else
 #define IP_REASSEMBLY 0
 #define IP_FRAG 0