* @return
     */
    protected Integer doGetBatchLimit ( String cmd ) {
        return null;
    }


    protected void initResolverOrder ( String ro ) {
        this.resolverOrder = new ArrayList<>();
        if ( ro == null || ro.length() == 0 ) {
            /*
             * No resolveOrder has been specified, use the
             * default which is LMHOSTS,DNS,WINS,BCAST or just