//#define DHCP_DOMAIN_SEARCH 0x77 /* RFC 3397. set of ASCIZ string, DNS-style compressed */
//#define DHCP_SIP_SERVERS 0x78 /* RFC 3361. flag byte, then: 0: domain names, 1: IP addrs */
//#define DHCP_STATIC_ROUTES 0x79 /* RFC 3442. (mask,ip,router) tuples */
-#define DHCP_VLAN_ID 0x84 /* 802.1P VLAN ID */
-#define DHCP_VLAN_PRIORITY 0x85 /* 802.1Q VLAN priority */
+//#define DHCP_VLAN_ID 0x84 /* 802.1P VLAN ID */
+//#define DHCP_VLAN_PRIORITY 0x85 /* 802.1Q VLAN priority */
+//#define DHCP_PXE_CONF_FILE 0xd1 /* RFC 5071 Configuration File */
//#define DHCP_MS_STATIC_ROUTES 0xf9 /* Microsoft's pre-RFC 3442 code for 0x79? */
//#define DHCP_WPAD 0xfc /* MSIE's Web Proxy Autodiscovery Protocol */
#define DHCP_END 0xff