# File lib/aws/elb/backend_server_policy_collection.rb, line 102
      def []= instance_port, policy

        client.set_load_balancer_policies_for_backend_server(
          :load_balancer_name => load_balancer.name,
          :instance_port => instance_port.to_i,
          :policy_names => [policy_name(policy)].compact)

        nil

      end