--- dhcp-3.0.6/client/scripts/linux
+++ dhcp-3.0.6/client/scripts/linux	2008/04/04 07:38:57
@@ -284,7 +284,23 @@
         route add -net $new_network_number $new_subnet_arg dev $interface
       fi
       for router in $new_routers; do
-        route add default gw $router
+        err=`route add default gw $router 2>&1` && break || \
+        case "$err" in
+          SIOCADDRT:*)
+            # The gateway seems to be not reachable via local network
+            # route (implicitely created by ifconfig based on the IP
+            # an netmask provided by dhcp).
+            # Check this, set an explicit host route to the gateway
+            # over the current interface and try again (bnc#266215).
+            matches=$(test -x /sbin/ip && \
+                  /sbin/ip -f inet -o route list match $router | \
+                  grep -v ^default | grep -c -v "^$" 2>/dev/null)
+            if test -n "$matches" -a $(($matches)) -eq 0 ; then
+              route add -host $router dev $interface && \
+              route add default gw $router && break
+            fi
+          ;;
+        esac
       done
     fi
   fi