diff --git a/configs/B4420QDS_defconfig b/configs/B4420QDS_defconfig
index 300461b..bab96ca 100644
--- a/configs/B4420QDS_defconfig
+++ b/configs/B4420QDS_defconfig
@@ -7,11 +7,14 @@
 CONFIG_OF_STDOUT_VIA_ALIAS=y
 CONFIG_SYS_EXTRA_OPTIONS="PPC_B4420"
 CONFIG_HUSH_PARSER=y
+CONFIG_CMD_GREPENV=y
 CONFIG_CMD_SF=y
 CONFIG_CMD_I2C=y
 CONFIG_CMD_USB=y
 CONFIG_CMD_DHCP=y
+CONFIG_CMD_MII=y
 CONFIG_CMD_PING=y
+CONFIG_CMD_EXT2=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_SST=y
 CONFIG_NETDEVICES=y