diff --git a/build-scripts/ESP32-A1S-sdkconfig.defaults b/build-scripts/ESP32-A1S-sdkconfig.defaults
index 6b0464f0..15009ef0 100644
--- a/build-scripts/ESP32-A1S-sdkconfig.defaults
+++ b/build-scripts/ESP32-A1S-sdkconfig.defaults
@@ -626,6 +626,8 @@ CONFIG_LWIP_MAX_SOCKETS=16
 CONFIG_LWIP_SO_REUSE=y
 CONFIG_LWIP_SO_REUSE_RXTOALL=y
 #CONFIG_LWIP_IP_REASSEMBLY is not set
+CONFIG_LWIP_IP6_REASSEMBLY=Y
+CONFIG_LWIP_IP4_REASSEMBLY=Y
 CONFIG_LWIP_ESP_GRATUITOUS_ARP=y
 CONFIG_LWIP_GARP_TMR_INTERVAL=60
 CONFIG_LWIP_TCPIP_RECVMBOX_SIZE=32
diff --git a/build-scripts/I2S-4MFlash-sdkconfig.defaults b/build-scripts/I2S-4MFlash-sdkconfig.defaults
index 31b5a4d7..76ba8b49 100644
--- a/build-scripts/I2S-4MFlash-sdkconfig.defaults
+++ b/build-scripts/I2S-4MFlash-sdkconfig.defaults
@@ -460,6 +460,8 @@ CONFIG_LWIP_SO_REUSE_RXTOALL=y
 # CONFIG_LWIP_STATS is not set
 # CONFIG_LWIP_ETHARP_TRUST_IP_MAC is not set
 #CONFIG_LWIP_IP_REASSEMBLY is not set
+CONFIG_LWIP_IP6_REASSEMBLY=Y
+CONFIG_LWIP_IP4_REASSEMBLY=Y
 CONFIG_LWIP_ESP_GRATUITOUS_ARP=y
 CONFIG_LWIP_GARP_TMR_INTERVAL=60
 CONFIG_LWIP_TCPIP_RECVMBOX_SIZE=32
diff --git a/build-scripts/SqueezeAmp-sdkconfig.defaults b/build-scripts/SqueezeAmp-sdkconfig.defaults
index 2ec009a4..574a323e 100644
--- a/build-scripts/SqueezeAmp-sdkconfig.defaults
+++ b/build-scripts/SqueezeAmp-sdkconfig.defaults
@@ -456,6 +456,9 @@ CONFIG_LWIP_MAX_SOCKETS=16
 CONFIG_LWIP_SO_REUSE=y
 CONFIG_LWIP_SO_REUSE_RXTOALL=y
 #CONFIG_LWIP_IP_REASSEMBLY is not set
+CONFIG_LWIP_IP6_REASSEMBLY=Y
+CONFIG_LWIP_IP4_REASSEMBLY=Y
+
 CONFIG_LWIP_ESP_GRATUITOUS_ARP=y
 CONFIG_LWIP_GARP_TMR_INTERVAL=60
 CONFIG_LWIP_TCPIP_RECVMBOX_SIZE=32