【正文】 ......21. 小結 ...........................................................................................................................21. HELLO 協(xié)議 .........................................................................................................................22. 將 RIP，HELLO 和 EGP 組合起來 .....................................................................................23. 邊界網(wǎng)關協(xié)議第 4 版（BGP4） ..........................................................................................24. EGP........................................................................................................................................27. 給體系結構模型增加復雜性 ...................................................................................27. 一個其本思想：額外跳 ...........................................................................................28. 自治系統(tǒng)的概念 .......................................................................................................30. 外部網(wǎng)關協(xié)議（ EGP） ...........................................................................................31. EGP 報文首部 ..........................................................................................................32. EGP 鄰站獲取報文 ..................................................................................................33. EGP 鄰站可達性報文 ..............................................................................................34. EGP 輪詢請求報文 ..................................................................................................34. EGP 選路更新報文 ..................................................................................................35. 從接收者的角度來度量 ...........................................................................................37. EGP 的主要限制 ......................................................................................................382. CISCO 路由器產品介紹 .................................................................................................................40. CISCO 2500 ..........................................................................................................................40. CISCO 4500M .....................................................................................................................40. CISCO 7200 ..........................................................................................................................41. CISCO 7513/7507 .................................................................................................................433. 路由器的基本配置 ............................................................................................................................43參數(shù)設置 ................................................................................................................................................432 / 59網(wǎng)絡號 ................................................................................................................................................43IP 類設置 ...........................................................................................................................................44菜單設置 ............................................................................................................................................44歡迎文本 ............................................................................................................................................44異步線的設置 ....................................................................................................................................44總結 ....................................................................................................................................................45附錄一 路由器常用命令 ..................................................................................................................454. 基本維護 ............................................................................................................................................52兩種狀態(tài) ............................................................................................................................................52幫助 ....................................................................................................................................................52命令簡寫 ............................................................................................................................................52跟蹤錯誤 ............................................................................................................................................53進入設置狀態(tài) ....................................................................................................................................53存儲退出 ............................................................................................................................................53刪除設置 ............................................................................................................................................53一些常用命令 ....................................................................................................................................53修改地址 ............................................................................................................................................53修改 enable secrect password.....................................................................................................55附錄二 常見網(wǎng)絡故障分析及排除 .......................................................................................................551 路由器常用測試命令 ....................................................................................................................552 路由器傳輸故障排除方法 ............................................................................................................553 網(wǎng)絡常見問題 .................................................................................