diff --git a/configs/spear600_usbtty_defconfig b/configs/spear600_usbtty_defconfig
index 2168013..8b8f28d 100644
--- a/configs/spear600_usbtty_defconfig
+++ b/configs/spear600_usbtty_defconfig
@@ -1,6 +1,9 @@
 CONFIG_ARM=y
 CONFIG_TARGET_SPEAR600=y
 CONFIG_SYS_EXTRA_OPTIONS="spear600,usbtty"
+CONFIG_CMD_I2C=y
 # CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_DHCP=y
+CONFIG_CMD_PING=y
 CONFIG_NETDEVICES=y
 CONFIG_ETH_DESIGNWARE=y