说明：  TCP/IP近日经典书籍《TCP/IP路由技术卷一中文版》“第二版”已经在国内上市，此助读笔记的主要作用就是帮助那些首次阅读该书的读者顺利完成学习，那些已阅读过此书的朋友也可以通过该笔记进行快速的复习，同时也可以把该笔记当作日常工作中的速查资料。为方便大家，笔记里标明了书中对应的页码，请大家参照中文书阅读笔记，后续章节我将陆续推出
(TCP/IP has the classic book " TCP/IP routing technology, Chinese version of Volume I," " second edition" has been in the domestic market, read this note to help the main role is to help the reader who first read the book the successful completion of study, those who have friends read the book can also be quick review of the notes, but can also put the notes as the daily work of the Fact Sheet. For convenience, the corresponding notes in the book marked the page, please refer to Chinese books to read notes, I will be launched later chapters)