# File lib/aws/ec2/vpn_gateway.rb, line 67
      def attach vpc

        client_opts = {}
        client_opts[:vpn_gateway_id] = vpn_gateway_id
        client_opts[:vpc_id] = vpc_id(vpc)

        resp = client.attach_vpn_gateway(client_opts)

        Attachment.new(self, resp.attachment)

      end