quagga-blackhole.patch

   1 --- quagga-0.98.3/zebra/zebra_rib.c~    2009-12-21 11:40:24.000000000 +0100
   2 +++ quagga-0.98.3/zebra/zebra_rib.c     2010-03-23 00:00:00.000000000 +0100
   3 @@ -384,6 +384,8 @@ nexthop_active_ipv4 (struct rib *rib, st
   4                       {
   5                         SET_FLAG (nexthop->flags, NEXTHOP_FLAG_RECURSIVE);
   6                         nexthop->rtype = newhop->type;
   7 +                       if (newhop->type == NEXTHOP_TYPE_BLACKHOLE)
   8 +                           nexthop_blackhole_add (rib);
   9                         if (newhop->type == NEXTHOP_TYPE_IPV4 ||
  10                             newhop->type == NEXTHOP_TYPE_IPV4_IFINDEX)
  11                           nexthop->rgate.ipv4 = newhop->gate.ipv4;