diff -uNr dhcp-4.0.0.ORIG/client/scripts/bsdos dhcp-4.0.0/client/scripts/bsdos
--- dhcp-4.0.0.ORIG/client/scripts/bsdos	2008-09-01 13:22:40.000000000 +0100
+++ dhcp-4.0.0/client/scripts/bsdos	2008-09-01 13:23:24.000000000 +0100
@@ -95,6 +95,9 @@
 if [ x$new_interface_mtu != x ]; then
   mtu_arg="mtu $new_interface_mtu"
 fi
+if [ x$IF_METRIC != x ]; then
+  metric_arg="metric $IF_METRIC"
+fi
 
 if [ x$reason = xMEDIUM ]; then
   eval "ifconfig $interface $medium"
@@ -156,7 +159,7 @@
   if [ x$old_ip_address = x ] || [ x$old_ip_address != x$new_ip_address ] || \
      [ x$reason = xBOUND ] || [ x$reason = xREBOOT ]; then
     eval "ifconfig $interface inet $new_ip_address $new_netmask_arg \
-					$new_broadcast_arg $mtu_arg $medium"
+			$new_broadcast_arg $mtu_arg $metric_arg $medium"
     route add $new_ip_address 127.1 >/dev/null 2>&1
     for router in $new_routers; do
       route add default $router >/dev/null 2>&1
@@ -213,7 +216,7 @@
     route delete $alias_ip_address 127.0.0.1 > /dev/null 2>&1
   fi
   eval "ifconfig $interface inet $new_ip_address $new_netmask_arg \
-					$new_broadcast_arg $mtu_arg $medium"
+			$new_broadcast_arg $mtu_arg $metric_arg $medium"
   sleep 1
   if [ "$new_routers" != "" ]; then
     set $new_routers
diff -uNr dhcp-4.0.0.ORIG/client/scripts/freebsd dhcp-4.0.0/client/scripts/freebsd
--- dhcp-4.0.0.ORIG/client/scripts/freebsd	2008-09-01 13:22:40.000000000 +0100
+++ dhcp-4.0.0/client/scripts/freebsd	2008-09-01 13:23:24.000000000 +0100
@@ -139,6 +139,9 @@
 if [ x$new_interface_mtu != x ]; then
   mtu_arg="mtu $new_interface_mtu"
 fi
+if [ x$IF_METRIC != x ]; then
+  metric_arg="metric $IF_METRIC"
+fi
 
 if [ x$reason = xMEDIUM ]; then
   eval "ifconfig $interface $medium"
@@ -200,7 +203,7 @@
   if [ x$old_ip_address = x ] || [ x$old_ip_address != x$new_ip_address ] || \
      [ x$reason = xBOUND ] || [ x$reason = xREBOOT ]; then
     eval "ifconfig $interface inet $new_ip_address $new_netmask_arg \
-					$new_broadcast_arg $mtu_arg $medium"
+			$new_broadcast_arg $mtu_arg $metric_arg $medium"
     $LOGGER "New IP Address ($interface): $new_ip_address"
     $LOGGER "New Subnet Mask ($interface): $new_subnet_mask"
     $LOGGER "New Broadcast Address ($interface): $new_broadcast_address"
@@ -264,7 +267,7 @@
     route delete $alias_ip_address 127.0.0.1 > /dev/null 2>&1
   fi
   eval "ifconfig $interface inet $new_ip_address $new_netmask_arg \
-					$new_broadcast_arg $mtu_arg $medium"
+			$new_broadcast_arg $mtu_arg $metric_arg $medium"
   $LOGGER "New IP Address ($interface): $new_ip_address"
   $LOGGER "New Subnet Mask ($interface): $new_subnet_mask"
   $LOGGER "New Broadcast Address ($interface): $new_broadcast_address"
diff -uNr dhcp-4.0.0.ORIG/client/scripts/linux dhcp-4.0.0/client/scripts/linux
--- dhcp-4.0.0.ORIG/client/scripts/linux	2008-09-01 13:22:40.000000000 +0100
+++ dhcp-4.0.0/client/scripts/linux	2008-09-01 13:26:19.000000000 +0100
@@ -98,11 +98,6 @@
   fi
 fi
 
-release=`uname -r`
-release=`expr $release : '\(.*\)\..*'`
-relminor=`echo $release |sed -e 's/[0-9]*\.\([0-9][0-9]*\)\(\..*\)*$/\1/'`
-relmajor=`echo $release |sed -e 's/\([0-9][0-9]*\)\..*$/\1/'`
-
 ###
 ### DHCPv4 Handlers
 ###
@@ -125,6 +120,9 @@
 if [ x$new_interface_mtu != x ]; then
   mtu_arg="mtu $new_interface_mtu"
 fi
+if [ x$IF_METRIC != x ]; then
+  metric_arg="metric $IF_METRIC"
+fi
 
 if [ x$reason = xMEDIUM ]; then
   # Linux doesn't do mediums (ok, ok, media).
@@ -136,15 +134,7 @@
     # Bring down alias interface. Its routes will disappear too.
     ifconfig $interface:0- inet 0
   fi
-  if [ $relmajor -lt 2 ] || ( [ $relmajor -eq 2 ] && [ $relminor -eq 0 ] )
-   then
-    ifconfig $interface inet 0.0.0.0 netmask 0.0.0.0 \
-		broadcast 255.255.255.255 up
-    # Add route to make broadcast work. Do not omit netmask.
-    route add default dev $interface netmask 0.0.0.0
-  else
-    ifconfig $interface 0 up
-  fi
+  ifconfig $interface 0 up
 
   # We need to give the kernel some time to get the interface up.
   sleep 1
@@ -186,12 +176,14 @@
     ifconfig $interface inet $new_ip_address $new_subnet_arg \
 					$new_broadcast_arg $mtu_arg
     # Add a network route to the computed network address.
-    if [ $relmajor -lt 2 ] || \
-		( [ $relmajor -eq 2 ] && [ $relminor -eq 0 ] ); then
-      route add -net $new_network_number $new_subnet_arg dev $interface
+    if [ x$IF_METRIC != x ] && [ x$IF_METRIC != x0 ]; then
+      route del -net $new_network_number $new_subnet_arg \
+        dev $interface
+      route add -net $new_network_number $new_subnet_arg $metric_arg \
+      	dev $interface
     fi
     for router in $new_routers; do
-      route add default gw $router
+      route add default gw $router $metric_arg dev $interface
     done
   fi
   if [ x$new_ip_address != x$alias_ip_address ] && [ x$alias_ip_address != x ];
@@ -234,12 +226,15 @@
       ifconfig $interface:0 inet $alias_ip_address $alias_subnet_arg
       route add -host $alias_ip_address dev $interface:0
     fi
-    if [ $relmajor -lt 2 ] || \
-		( [ $relmajor -eq 2 ] && [ $relminor -eq 0 ] ); then
-      route add -net $new_network_number
+    # Add a network route to the computed network address.
+    if [ x$IF_METRIC != x ] && [ x$IF_METRIC != x0 ]; then
+      route del -net $new_network_number $new_subnet_arg \
+        dev $interface
+      route add -net $new_network_number $new_subnet_arg $metric_arg \
+      	dev $interface
     fi
     for router in $new_routers; do
-      route add default gw $router
+      route add default gw $router $metric_arg dev $interface
     done
     make_resolv_conf
     exit_with_hooks 0
diff -uNr dhcp-4.0.0.ORIG/client/scripts/netbsd dhcp-4.0.0/client/scripts/netbsd
--- dhcp-4.0.0.ORIG/client/scripts/netbsd	2008-09-01 13:22:40.000000000 +0100
+++ dhcp-4.0.0/client/scripts/netbsd	2008-09-01 13:23:33.000000000 +0100
@@ -95,6 +95,9 @@
 if [ x$new_interface_mtu != x ]; then
   mtu_arg="mtu $new_interface_mtu"
 fi
+if [ x$IF_METRIC != x ]; then
+  metric_arg="metric $IF_METRIC"
+fi
 
 if [ x$reason = xMEDIUM ]; then
   eval "ifconfig $interface $medium"
@@ -156,7 +159,7 @@
   if [ x$old_ip_address = x ] || [ x$old_ip_address != x$new_ip_address ] || \
      [ x$reason = xBOUND ] || [ x$reason = xREBOOT ]; then
     eval "ifconfig $interface inet $new_ip_address $new_netmask_arg \
-					$new_broadcast_arg $mtu_arg $medium"
+			$new_broadcast_arg $mtu_arg $metric_arg $medium"
     route add $new_ip_address 127.1 >/dev/null 2>&1
     for router in $new_routers; do
       route add default $router >/dev/null 2>&1
@@ -213,7 +216,7 @@
     route delete $alias_ip_address 127.0.0.1 > /dev/null 2>&1
   fi
   eval "ifconfig $interface inet $new_ip_address $new_netmask_arg \
-					$new_broadcast_arg $mtu_arg $medium"
+			$new_broadcast_arg $mtu_arg $metric_arg $medium"
   sleep 1
   if [ "$new_routers" != "" ]; then
     set $new_routers
diff -uNr dhcp-4.0.0.ORIG/client/scripts/solaris dhcp-4.0.0/client/scripts/solaris
--- dhcp-4.0.0.ORIG/client/scripts/solaris	2008-09-01 13:22:40.000000000 +0100
+++ dhcp-4.0.0/client/scripts/solaris	2008-09-01 13:23:33.000000000 +0100
@@ -78,6 +78,9 @@
 if [ x$new_interface_mtu != x ]; then
   mtu_arg="mtu $new_interface_mtu"
 fi
+if [ x$IF_METRIC != x ]; then
+  metric_arg="metric $IF_METRIC"
+fi
 
 ifconfig=/sbin/ifconfig
 
@@ -140,7 +143,7 @@
   if [ x$old_ip_address = x ] || [ x$old_ip_address != x$new_ip_address ] || \
      [ x$reason = xBOUND ] || [ x$reason = xREBOOT ]; then
     eval "$ifconfig $interface inet $new_ip_address $new_netmask_arg \
-					$new_broadcast_arg $mtu_arg $medium"
+			$new_broadcast_arg $mtu_arg $metric_arg $medium"
     route add $new_ip_address 127.1 1 >/dev/null 2>&1
     for router in $new_routers; do
       route add default $router 1 >/dev/null 2>&1
@@ -181,7 +184,7 @@
     route delete $alias_ip_address 127.0.0.1 > /dev/null 2>&1
   fi
   eval "$ifconfig $interface inet $new_ip_address $new_netmask_arg \
-					$new_broadcast_arg $mtu_arg $medium"
+			$new_broadcast_arg $mtu_arg $metric_arg $medium"
   sleep 1
   set $new_routers
   if ping -s -n -I 1 $1 64 1; then