diff --git a/configs/sama5d4-ek/nsh/defconfig b/configs/sama5d4-ek/nsh/defconfig
index 1312c31eb5c..1180c66ba8d 100644
--- a/configs/sama5d4-ek/nsh/defconfig
+++ b/configs/sama5d4-ek/nsh/defconfig
@@ -121,6 +121,7 @@ CONFIG_ARMV7A_TOOLCHAIN_CODESOURCERYW=y
 # CONFIG_ARMV7A_DECODEFIQ is not set
 CONFIG_SDIO_DMA=y
 # CONFIG_SDIO_WIDTH_D1_ONLY is not set
+# CONFIG_NET_MULTICAST is not set
 
 #
 # SAMA5 Configuration Options
@@ -205,8 +206,8 @@ CONFIG_SAMA5_HSMCI0=y
 CONFIG_SAMA5_XDMAC1=y
 # CONFIG_SAMA5_UHPHS is not set
 # CONFIG_SAMA5_UDPHS is not set
-# CONFIG_SAMA5_EMACB is not set
-# CONFIG_SAMA5_EMAC0 is not set
+CONFIG_SAMA5_EMACB=y
+CONFIG_SAMA5_EMAC0=y
 # CONFIG_SAMA5_EMAC1 is not set
 # CONFIG_SAMA5_LCDC is not set
 # CONFIG_SAMA5_ISI is not set
@@ -223,6 +224,31 @@ CONFIG_SAMA5_PIO_IRQ=y
 # CONFIG_SAMA5_PIOD_IRQ is not set
 CONFIG_SAMA5_PIOE_IRQ=y
 
+#
+# EMAC device driver options
+#
+
+#
+# EMAC0 device driver options
+#
+CONFIG_SAMA5_EMAC0_NRXBUFFERS=16
+CONFIG_SAMA5_EMAC0_NTXBUFFERS=8
+CONFIG_SAMA5_EMAC0_PHYADDR=1
+# CONFIG_SAMA5_EMAC0_PHYINIT is not set
+# CONFIG_SAMA5_EMAC0_MII is not set
+CONFIG_SAMA5_EMAC0_RMII=y
+CONFIG_SAMA5_EMAC0_AUTONEG=y
+CONFIG_SAMA5_EMAC0_PHYSR=30
+CONFIG_SAMA5_EMAC0_PHYSR_ALTCONFIG=y
+CONFIG_SAMA5_EMAC0_PHYSR_ALTMODE=0x7
+CONFIG_SAMA5_EMAC0_PHYSR_10HD=0x1
+CONFIG_SAMA5_EMAC0_PHYSR_100HD=0x2
+CONFIG_SAMA5_EMAC0_PHYSR_10FD=0x5
+CONFIG_SAMA5_EMAC0_PHYSR_100FD=0x6
+# CONFIG_SAMA5_EMACB_PREALLOCATE is not set
+# CONFIG_SAMA5_EMACB_NBC is not set
+CONFIG_SAMA5_EMAC0_ISETH0=y
+
 #
 # HSMCI device driver options
 #
@@ -452,6 +478,35 @@ CONFIG_MMCSD_SDIO=y
 # CONFIG_SDIO_MUXBUS is not set
 CONFIG_SDIO_BLOCKSETUP=y
 # CONFIG_MTD is not set
+CONFIG_NETDEVICES=y
+
+#
+# General Ethernet MAC Driver Options
+#
+# CONFIG_NETDEV_MULTINIC is not set
+
+#
+# External Ethernet MAC Device Support
+#
+# CONFIG_NET_DM90x0 is not set
+# CONFIG_ENC28J60 is not set
+# CONFIG_ENCX24J600 is not set
+# CONFIG_NET_E1000 is not set
+# CONFIG_NET_SLIP is not set
+# CONFIG_NET_VNET is not set
+
+#
+# External Ethernet PHY Device Support
+#
+# CONFIG_ETH0_PHY_NONE is not set
+# CONFIG_ETH0_PHY_AM79C874 is not set
+# CONFIG_ETH0_PHY_KS8721 is not set
+# CONFIG_ETH0_PHY_KSZ8051 is not set
+CONFIG_ETH0_PHY_KSZ8081=y
+# CONFIG_ETH0_PHY_KSZ90x1 is not set
+# CONFIG_ETH0_PHY_DP83848C is not set
+# CONFIG_ETH0_PHY_LAN8720 is not set
+# CONFIG_ETH0_PHY_DM9161 is not set
 # CONFIG_PIPES is not set
 # CONFIG_PM is not set
 # CONFIG_POWER is not set
@@ -534,9 +589,93 @@ CONFIG_USART4_2STOP=0
 #
 # Networking Support
 #
-# CONFIG_ARCH_HAVE_NET is not set
-# CONFIG_ARCH_HAVE_PHY is not set
-# CONFIG_NET is not set
+CONFIG_ARCH_HAVE_NET=y
+CONFIG_ARCH_HAVE_PHY=y
+CONFIG_NET=y
+# CONFIG_NET_NOINTS is not set
+# CONFIG_NET_MULTIBUFFER is not set
+# CONFIG_NET_PROMISCUOUS is not set
+CONFIG_NET_BUFSIZE=562
+CONFIG_NET_RECEIVE_WINDOW=562
+CONFIG_NET_GUARDSIZE=2
+
+#
+# Socket Support
+#
+CONFIG_NSOCKET_DESCRIPTORS=8
+CONFIG_NET_NACTIVESOCKETS=16
+CONFIG_NET_SOCKOPTS=y
+# CONFIG_NET_SOLINGER is not set
+
+#
+# Network Device Operations
+#
+# CONFIG_NETDEV_PHY_IOCTL is not set
+
+#
+# Raw Socket Support
+#
+# CONFIG_NET_PKT is not set
+
+#
+# TCP/IP Networking
+#
+CONFIG_NET_TCP=y
+# CONFIG_NET_TCPURGDATA is not set
+CONFIG_NET_TCP_CONNS=8
+CONFIG_NET_MAX_LISTENPORTS=20
+CONFIG_NET_TCP_READAHEAD=y
+CONFIG_NET_TCP_WRITE_BUFFERS=y
+CONFIG_NET_TCP_NWRBCHAINS=8
+CONFIG_NET_TCP_RECVDELAY=0
+CONFIG_NET_TCPBACKLOG=y
+# CONFIG_NET_SENDFILE is not set
+
+#
+# UDP Networking
+#
+CONFIG_NET_UDP=y
+# CONFIG_NET_UDP_CHECKSUMS is not set
+CONFIG_NET_UDP_CONNS=8
+CONFIG_NET_BROADCAST=y
+# CONFIG_NET_RXAVAIL is not set
+
+#
+# ICMP Networking Support
+#
+CONFIG_NET_ICMP=y
+CONFIG_NET_ICMP_PING=y
+# CONFIG_NET_PINGADDRCONF is not set
+
+#
+# IGMPv2 Client Support
+#
+# CONFIG_NET_IGMP is not set
+
+#
+# ARP Configuration
+#
+CONFIG_NET_ARP=y
+CONFIG_NET_ARPTAB_SIZE=16
+CONFIG_NET_ARP_IPIN=y
+
+#
+# Network I/O Buffer Support
+#
+CONFIG_NET_IOB=y
+CONFIG_IOB_NBUFFERS=36
+CONFIG_IOB_BUFSIZE=196
+CONFIG_IOB_NCHAINS=8
+CONFIG_IOB_THROTTLE=8
+# CONFIG_NET_ARCH_INCR32 is not set
+# CONFIG_NET_ARCH_CHKSUM is not set
+CONFIG_NET_STATISTICS=y
+
+#
+# Routing Table Configuration
+#
+# CONFIG_NET_ROUTE is not set
+CONFIG_NET_ETHERNET=y
 
 #
 # File Systems
@@ -556,6 +695,7 @@ CONFIG_FAT_LFN=y
 CONFIG_FAT_MAXFNAME=32
 # CONFIG_FS_FATTIME is not set
 # CONFIG_FAT_DMAMEMORY is not set
+# CONFIG_NFS is not set
 # CONFIG_FS_NXFFS is not set
 CONFIG_FS_ROMFS=y
 # CONFIG_FS_SMARTFS is not set
@@ -680,6 +820,7 @@ CONFIG_BUILTIN_PROXY_STACKSIZE=1024
 # CONFIG_EXAMPLES_MM is not set
 # CONFIG_EXAMPLES_MODBUS is not set
 # CONFIG_EXAMPLES_MOUNT is not set
+# CONFIG_EXAMPLES_NETTEST is not set
 # CONFIG_EXAMPLES_NRF24L01TERM is not set
 CONFIG_EXAMPLES_NSH=y
 CONFIG_EXAMPLES_NSH_CXXINITIALIZE=y
@@ -712,6 +853,7 @@ CONFIG_EXAMPLES_NSH_CXXINITIALIZE=y
 # CONFIG_EXAMPLES_TIFF is not set
 # CONFIG_EXAMPLES_TOUCHSCREEN is not set
 # CONFIG_EXAMPLES_UDP is not set
+# CONFIG_EXAMPLES_DISCOVER is not set
 # CONFIG_EXAMPLES_UIP is not set
 # CONFIG_EXAMPLES_USBSERIAL is not set
 # CONFIG_EXAMPLES_USBTERM is not set
@@ -736,15 +878,25 @@ CONFIG_EXAMPLES_NSH_CXXINITIALIZE=y
 # Networking Utilities
 #
 # CONFIG_NETUTILS_CODECS is not set
+# CONFIG_NETUTILS_DHCPC is not set
 # CONFIG_NETUTILS_DHCPD is not set
 # CONFIG_NETUTILS_FTPC is not set
 # CONFIG_NETUTILS_FTPD is not set
 # CONFIG_NETUTILS_JSON is not set
+CONFIG_NETUTILS_DNSCLIENT=y
+CONFIG_NETUTILS_DNSCLIENT_ENTRIES=8
+CONFIG_NETUTILS_DNSCLIENT_MAXRESPONSE=96
 # CONFIG_NETUTILS_SMTP is not set
-# CONFIG_NETUTILS_TFTPC is not set
+CONFIG_NETUTILS_TELNETD=y
+CONFIG_NETUTILS_TFTPC=y
 # CONFIG_NETUTILS_THTTPD is not set
-# CONFIG_NETUTILS_UIPLIB is not set
-# CONFIG_NETUTILS_WEBCLIENT is not set
+CONFIG_NETUTILS_UIPLIB=y
+CONFIG_NETUTILS_WEBCLIENT=y
+CONFIG_NSH_WGET_USERAGENT="NuttX/6.xx.x (; http://www.nuttx.org/)"
+# CONFIG_NETUTILS_WEBSERVER is not set
+# CONFIG_NETUTILS_NTPCLIENT is not set
+# CONFIG_NETUTILS_DISCOVER is not set
+# CONFIG_NETUTILS_XMLRPC is not set
 
 #
 # FreeModBus
@@ -790,6 +942,7 @@ CONFIG_NSH_BUILTIN_APPS=y
 # CONFIG_NSH_DISABLE_MOUNT is not set
 # CONFIG_NSH_DISABLE_MW is not set
 # CONFIG_NSH_DISABLE_PS is not set
+# CONFIG_NSH_DISABLE_PING is not set
 # CONFIG_NSH_DISABLE_PUT is not set
 # CONFIG_NSH_DISABLE_PWD is not set
 # CONFIG_NSH_DISABLE_RM is not set
@@ -837,8 +990,21 @@ CONFIG_NSH_CONSOLE=y
 #
 # USB Trace Support
 #
-# CONFIG_NSH_ALTCONDEV is not set
 CONFIG_NSH_ARCHINIT=y
+CONFIG_NSH_TELNET=y
+CONFIG_NSH_TELNETD_PORT=23
+CONFIG_NSH_TELNETD_DAEMONPRIO=100
+CONFIG_NSH_TELNETD_DAEMONSTACKSIZE=2048
+CONFIG_NSH_TELNETD_CLIENTPRIO=100
+CONFIG_NSH_TELNETD_CLIENTSTACKSIZE=2048
+CONFIG_NSH_IOBUFFER_SIZE=512
+# CONFIG_NSH_TELNET_LOGIN is not set
+CONFIG_NSH_IPADDR=0x0a000002
+CONFIG_NSH_DRIPADDR=0x0a000001
+CONFIG_NSH_NETMASK=0xffffff00
+# CONFIG_NSH_DNS is not set
+CONFIG_NSH_NOMAC=y
+CONFIG_NSH_MAX_ROUNDTRIP=20
 
 #
 # NxWidgets/NxWM