diff --git a/elilo/elilo-xcat.patch b/elilo/elilo-xcat.patch
index b29ea5d..51f0c64 100644
--- a/elilo/elilo-xcat.patch
+++ b/elilo/elilo-xcat.patch
@@ -1,6 +1,6 @@
-diff -ubrN elilo/fs/netfs.c elilo-ipxe/fs/netfs.c
---- elilo/fs/netfs.c	2009-10-26 16:37:05.000000000 -0400
-+++ elilo-ipxe/fs/netfs.c	2011-08-17 09:00:20.751301110 -0400
+diff -urN elilo-orig/elilo/fs/netfs.c elilo-xcat/elilo/fs/netfs.c
+--- elilo-orig/elilo/fs/netfs.c	2009-10-26 16:37:05.000000000 -0400
++++ elilo-xcat/elilo/fs/netfs.c	2011-09-13 10:55:54.713299125 -0400
 @@ -66,6 +66,7 @@
  
  typedef struct {
@@ -163,9 +163,9 @@ diff -ubrN elilo/fs/netfs.c elilo-ipxe/fs/netfs.c
  
  	status = LibInstallProtocolInterfaces(&dev, &NetFsProtocol, netfs, NULL);
  	if (EFI_ERROR(status)) {
-diff -ubrN elilo/fs/netfs.h elilo-ipxe/fs/netfs.h
---- elilo/fs/netfs.h	2003-08-19 12:45:01.000000000 -0400
-+++ elilo-ipxe/fs/netfs.h	2011-08-17 08:38:33.242298708 -0400
+diff -urN elilo-orig/elilo/fs/netfs.h elilo-xcat/elilo/fs/netfs.h
+--- elilo-orig/elilo/fs/netfs.h	2003-08-19 12:45:01.000000000 -0400
++++ elilo-xcat/elilo/fs/netfs.h	2011-09-13 10:55:54.715293964 -0400
 @@ -31,6 +31,74 @@
  
  #define NETFS_BOOTFILE_MAXLEN	256
@@ -241,9 +241,50 @@ diff -ubrN elilo/fs/netfs.h elilo-ipxe/fs/netfs.h
  typedef struct {
  	EFI_IP_ADDRESS cln_ipaddr;
  	EFI_IP_ADDRESS srv_ipaddr;
-diff -ubrN elilo/Make.defaults elilo-ipxe/Make.defaults
---- elilo/Make.defaults	2011-01-10 16:05:30.000000000 -0500
-+++ elilo-ipxe/Make.defaults	2011-08-15 13:07:17.583298861 -0400
+diff -urN elilo-orig/elilo/glue_netfs.c elilo-xcat/elilo/glue_netfs.c
+--- elilo-orig/elilo/glue_netfs.c	2010-11-09 18:18:41.000000000 -0500
++++ elilo-xcat/elilo/glue_netfs.c	2011-09-13 10:56:27.223300792 -0400
+@@ -63,6 +63,7 @@
+ #define NETFS_KERNEL_LAYER	2
+ 
+ static CHAR16 *hexa=L"0123456789ABCDEF";
++static CHAR16 *hexal=L"0123456789abcdef";
+ 
+ static VOID
+ convert_mac2hex(UINT8 *hw_addr,INTN l, CHAR16 *str)
+@@ -78,6 +79,19 @@
+ }
+ 
+ static VOID
++convert_mac2hexhyp(UINT8 *hw_addr,INTN l, CHAR16 *str)
++{
++ 	UINTN i;
++
++	for (i=0 ; i < l; i++) {
++		str[3*i] = hexal[(hw_addr[i] & 0xf0)>>4];
++		str[3*i+1] = hexal[hw_addr[i] & 0x0f];
++		str[3*i+2] = '-';
++	}
++	str[3*l-1]='\0';
++}
++
++static VOID
+ convert_ip2hex(UINT8 *ip, INTN l, CHAR16 *str)
+ {
+ 	UINTN i;
+@@ -164,6 +178,9 @@
+ 
+ 	set_var(VAR_NETFS_HOSTNAME, info.hostname);
+ 	set_var(VAR_NETFS_DOMAINAME, info.domainame);
++	StrCpy(str, L"01-");
++	convert_mac2hexhyp(info.hw_addr,6,str+3);
++	set_var(VAR_NETFS_BOOTIF, str);
+ 
+ 	if (info.using_pxe) {
+ 		DBG_PRT((L"netfs_setdefaults: using_pxe"));
+diff -urN elilo-orig/elilo/Make.defaults elilo-xcat/elilo/Make.defaults
+--- elilo-orig/elilo/Make.defaults	2011-01-10 16:05:30.000000000 -0500
++++ elilo-xcat/elilo/Make.defaults	2011-09-13 10:55:54.723300721 -0400
 @@ -55,9 +55,9 @@
  # They are installed as part of the GNU-EFI package installation
  #
@@ -257,3 +298,14 @@ diff -ubrN elilo/Make.defaults elilo-ipxe/Make.defaults
  
  CDIR    := $(shell if [ "$$PWD" != "" ]; then echo $$PWD; else pwd; fi)
  TOPDIR  =
+diff -urN elilo-orig/elilo/vars.h elilo-xcat/elilo/vars.h
+--- elilo-orig/elilo/vars.h	2003-08-19 12:48:14.000000000 -0400
++++ elilo-xcat/elilo/vars.h	2011-09-13 10:55:54.725298079 -0400
+@@ -45,6 +45,7 @@
+ #define VAR_NETFS_GATEWAY	L'G'	/* the gateway obtained by DHCP/PXE */
+ #define VAR_NETFS_HOSTNAME	L'H'	/* the hostname obtained by DHCP/PXE */
+ #define VAR_NETFS_DOMAINAME	L'D'	/* the domain name obtained by DHCP/PXE */
++#define VAR_NETFS_BOOTIF	L'B'	/* the hardware address used for DHCP/PXE */
+ 
+ extern INTN set_var(CHAR16 v, CHAR16 *value);
+ extern CHAR16 * get_var(CHAR16 v);