--- busybox-1.20.2/networking/udhcp/common.c~	2012-06-26 15:35:45.000000000 +0200
+++ busybox-1.20.2/networking/udhcp/common.c	2013-01-02 22:06:43.349795477 +0100
@@ -32,8 +32,8 @@
 	{ OPTION_STRING_HOST          | OPTION_REQ, 0x0c }, /* DHCP_HOST_NAME     */
 	{ OPTION_U16                              , 0x0d }, /* DHCP_BOOT_SIZE     */
 	{ OPTION_STRING_HOST          | OPTION_REQ, 0x0f }, /* DHCP_DOMAIN_NAME   */
-	{ OPTION_IP                               , 0x10 }, /* DHCP_SWAP_SERVER   */
-	{ OPTION_STRING                           , 0x11 }, /* DHCP_ROOT_PATH     */
+	{ OPTION_IP                   | OPTION_REQ, 0x10 }, /* DHCP_SWAP_SERVER   */
+	{ OPTION_STRING               | OPTION_REQ, 0x11 }, /* DHCP_ROOT_PATH     */
 	{ OPTION_U8                               , 0x17 }, /* DHCP_IP_TTL        */
 	{ OPTION_U16                              , 0x1a }, /* DHCP_MTU           */
 //TODO: why do we request DHCP_BROADCAST? Can't we assume that