diff --git a/configs/sycamore_defconfig b/configs/sycamore_defconfig
index c462fa2..9fdb2b3 100644
--- a/configs/sycamore_defconfig
+++ b/configs/sycamore_defconfig
@@ -3,9 +3,12 @@
 CONFIG_TARGET_WALNUT=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_HUSH_PARSER=y
+CONFIG_CMD_ASKENV=y
+CONFIG_CMD_GREPENV=y
 CONFIG_LOOPW=y
 CONFIG_CMD_I2C=y
 CONFIG_CMD_DHCP=y
+CONFIG_CMD_MII=y
 CONFIG_CMD_PING=y
 CONFIG_CMD_SNTP=y
 CONFIG_SYS_NS16550=y