diff --git a/include/cmd_confdefs.h b/include/cmd_confdefs.h
index 8b8b0f5..d7f1fd4 100644
--- a/include/cmd_confdefs.h
+++ b/include/cmd_confdefs.h
@@ -148,6 +148,8 @@
 #define CONFIG_BOOTP_BOOTPATH		0x00000010
 #define CONFIG_BOOTP_BOOTFILESIZE	0x00000020
 #define CONFIG_BOOTP_DNS		0x00000040
+#define CONFIG_BOOTP_DNS2		0x00000080
+#define CONFIG_BOOTP_SEND_HOSTNAME      0x00000100
 
 #define CONFIG_BOOTP_VENDOREX		0x80000000