if (dst.IsBroadcast () == false)

        {

          for (std::map<Ptr<Socket>, Ipv4InterfaceAddress>::const_iterator j =

                         m_socketAddresses.begin (); j != m_socketAddresses.end (); ++j)

            {

              Ipv4InterfaceAddress iface = j->second;

              if (dst != iface.GetBroadcast ())

                {

                  m_nb.Update (route->GetGateway (), ActiveRouteTimeout);

                }

            }

        }