diff -urN iproute2.altpatches/include/utils.h iproute2.altpatches.ipsec/include/utils.h
--- iproute2.altpatches/include/utils.h	2002-01-08 21:41:16 +0200
+++ iproute2.altpatches.ipsec/include/utils.h	2004-02-17 15:12:47 +0200
@@ -22,6 +22,9 @@
 #ifndef IPPROTO_AH
 #define IPPROTO_AH	51
 #endif
+#ifndef ARPHRD_IPSECTUN
+#define ARPHRD_IPSECTUN 31 /* IPSec tunneled mode */
+#endif
 
 #define SPRINT_BSIZE 64
 #define SPRINT_BUF(x)	char x[SPRINT_BSIZE]
diff -urN iproute2.altpatches/lib/ll_addr.c iproute2.altpatches.ipsec/lib/ll_addr.c
--- iproute2.altpatches/lib/ll_addr.c	2004-02-17 15:06:50 +0200
+++ iproute2.altpatches.ipsec/lib/ll_addr.c	2004-02-17 15:09:33 +0200
@@ -33,7 +33,7 @@
 	int l;
 
 	if (alen == 4 &&
-	    (type == ARPHRD_TUNNEL || type == ARPHRD_SIT || type == ARPHRD_IPGRE)) {
+	    (type == ARPHRD_TUNNEL || type == ARPHRD_SIT || type == ARPHRD_IPGRE || type == ARPHRD_IPSECTUN)) {
 		return inet_ntop(AF_INET, addr, buf, blen);
 	}
 	l = 0;
diff -urN iproute2.altpatches/lib/ll_types.c iproute2.altpatches.ipsec/lib/ll_types.c
--- iproute2.altpatches/lib/ll_types.c	2004-02-17 15:06:50 +0200
+++ iproute2.altpatches.ipsec/lib/ll_types.c	2004-02-17 15:41:55 +0200
@@ -23,6 +23,7 @@
 #include <linux/netdevice.h>
 #include <linux/if_arp.h>
 #include <linux/sockios.h>
+#include "utils.h"
 
 char * ll_type_n2a(int type, char *buf, int len)
 {
@@ -52,6 +53,7 @@
 #ifdef ARPHRD_IEEE1394
 __PF(IEEE1394,ieee1394)
 #endif
+__PF(IPSECTUN,ipsectun)
 
 __PF(SLIP,slip)
 __PF(CSLIP,cslip)