diff --git a/boards/nxp/fmuk66-v3/nuttx-config/nsh/defconfig b/boards/nxp/fmuk66-v3/nuttx-config/nsh/defconfig
index da15d043fb..8de6c6e489 100644
--- a/boards/nxp/fmuk66-v3/nuttx-config/nsh/defconfig
+++ b/boards/nxp/fmuk66-v3/nuttx-config/nsh/defconfig
@@ -60,6 +60,8 @@ CONFIG_HAVE_CXX=y
 CONFIG_HAVE_CXXINITIALIZE=y
 CONFIG_I2C_RESET=y
 CONFIG_IDLETHREAD_STACKSIZE=750
+CONFIG_IOB_NBUFFERS=24
+CONFIG_IOB_THROTTLE=0
 CONFIG_KINETIS_ADC0=y
 CONFIG_KINETIS_ADC1=y
 CONFIG_KINETIS_CRC=y
@@ -115,21 +117,36 @@ CONFIG_MTD=y
 CONFIG_MTD_BYTE_WRITE=y
 CONFIG_MTD_PARTITION=y
 CONFIG_MTD_RAMTRON=y
+CONFIG_NET=y
+CONFIG_NETDB_DNSCLIENT=y
+CONFIG_NETDB_DNSCLIENT_ENTRIES=8
+CONFIG_NETDB_DNSSERVER_NOADDR=y
+CONFIG_NETDEV_PHY_IOCTL=y
+CONFIG_NETINIT_THREAD=y
+CONFIG_NETINIT_THREAD_PRIORITY=49
 CONFIG_NETUTILS_TELNETD=y
+CONFIG_NET_ARP_IPIN=y
+CONFIG_NET_ARP_SEND=y
 CONFIG_NET_BROADCAST=y
 CONFIG_NET_ICMP=y
 CONFIG_NET_ICMP_SOCKET=y
 CONFIG_NET_SOCKOPTS=y
+CONFIG_NET_SOLINGER=y
 CONFIG_NET_TCP=y
+CONFIG_NET_TCPBACKLOG=y
+CONFIG_NET_TCP_WRITE_BUFFERS=y
 CONFIG_NET_UDP=y
+CONFIG_NET_UDP_CHECKSUMS=y
 CONFIG_NFILE_DESCRIPTORS=15
 CONFIG_NFILE_STREAMS=8
 CONFIG_NSH_ARCHINIT=y
 CONFIG_NSH_ARCHROMFS=y
+CONFIG_NSH_ARGCAT=y
 CONFIG_NSH_BUILTIN_APPS=y
 CONFIG_NSH_CROMFSETC=y
 CONFIG_NSH_DISABLE_BASENAME=y
-CONFIG_NSH_DISABLE_DD=y
+CONFIG_CONFIG_NSH_CMDPARMS=y
+NSH_DISABLE_DD=y
 CONFIG_NSH_DISABLE_DIRNAME=y
 CONFIG_NSH_DISABLE_EXPORT=y
 CONFIG_NSH_DISABLE_HEXDUMP=y
@@ -148,7 +165,6 @@ CONFIG_NSH_FILEIOSIZE=512
 CONFIG_NSH_LINELEN=128
 CONFIG_NSH_MAXARGUMENTS=15
 CONFIG_NSH_NESTDEPTH=8
-CONFIG_NSH_NOMAC=y
 CONFIG_NSH_READLINE=y
 CONFIG_NSH_ROMFSETC=y
 CONFIG_NSH_ROMFSSECTSIZE=128
diff --git a/platforms/nuttx/NuttX/nuttx b/platforms/nuttx/NuttX/nuttx
index f5925e194e..3143c907c6 160000
--- a/platforms/nuttx/NuttX/nuttx
+++ b/platforms/nuttx/NuttX/nuttx
@@ -1 +1 @@
-Subproject commit f5925e194e82b0658b0176a9657820a396674642
+Subproject commit 3143c907c615fc2af8f83ca18048bdc8403de4a8