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h3c基礎(chǔ)調(diào)試手冊(cè)(已修改)

2025-10-24 11:05 本頁(yè)面
 

【正文】 目錄 一、 POS 接入服務(wù)的顯示和調(diào)試 ...................................................................................... 5 POS 使用 PSTN 撥號(hào)連接的報(bào)文交互過(guò)程: ......................................................... 5 POS 終端接入服務(wù)的顯示 ..................................................................................... 6 二、終端接入的顯示與調(diào)試 .............................................................................................. 7 (一)路由器上 Debug 信息說(shuō)明 ............................................................................... 7 報(bào)文交互過(guò)程是: ........................................................................................ 7 版本下 display 顯示信息 .................................................................... 7 版本下 Debug 顯示信息 ..................................................................... 9 ( 1) Unix 作為前置機(jī) ................................................................................ 9 ( 2) Linux 作為前置機(jī) ............................................................................. 10 (二)終端提示信息說(shuō)明 ........................................................................................ 12 (三) Unix 前置機(jī)調(diào)試信息說(shuō)明 ............................................................................. 13 三、 debug physical 信息 .................................................................................................. 15 IP 報(bào)文的封裝 .................................................................................................... 15 ICMP 報(bào)文的封裝 .............................................................................................. 15 TCP 報(bào)文的封裝 ................................................................................................. 16 UDP 報(bào)文的封裝 ................................................................................................ 16 總結(jié) .................................................................................................................. 16 四、 TCP 建立和拆除的交互過(guò)程 .................................................................................... 19 TCP 建立連接的過(guò)程 .......................................................................................... 19 TCP 拆除連接的過(guò)程 .......................................................................................... 19 流程總結(jié) ........................................................................................................... 19 ( 1)為了建立一條 T C P 連接: ..................................................................... 20 ( 2)建立一個(gè)連接需要三次握手,而終止一個(gè)連接要經(jīng)過(guò) 4 次握手。 ............. 21 ( 3)附:抓包報(bào)文 .......................................................................................... 21 五、 PPP 協(xié)議調(diào)試信息( 版本下) ..................................................................... 22 PPP 簡(jiǎn)介 ............................................................................................................ 22 ppp 協(xié)議報(bào)文(無(wú)驗(yàn)證) .................................................................................... 24 ( 1)通過(guò) debug ppp all 命令顯示的報(bào)文 ..................................................... 24 ( 2)通過(guò) debug physical packet all 命令顯示的報(bào)文 ......................................... 28 ppp pap 驗(yàn)證 ...................................................................................................... 29 ( 1)通過(guò) debug ppp all 命令顯示的報(bào)文 ..................................................... 29 ( 2)通過(guò) debug physical packet all 命令顯示的報(bào)文 ......................................... 30 ppp chap 驗(yàn)證 ..................................................................................................... 31 ( 1)通過(guò) debug ppp all 命令顯示的報(bào)文 ..................................................... 31 ( 2)通過(guò) debug physical packet all 命令顯示的報(bào)文 ......................................... 34 ppp chap 雙向 驗(yàn)證失敗的協(xié)商報(bào)文 ..................................................................... 35 PPP MP 協(xié)商 ...................................................................................................... 37 PPP 通過(guò) IPCP 獲取地址過(guò)程(接口配置 ip address pppnegotiate) ..................... 38 參考文檔 ........................................................................................................... 39 六、 OSPF 協(xié)議調(diào)試信息( 版本下) ................................................................... 40 (一) OSPF 協(xié)商過(guò)程 ............................................................................................. 40 五種報(bào)文類型 ............................................................................................. 40 OSPF 鄰居狀態(tài) ........................................................................................... 40 DR 選舉規(guī)則 ............................................................................................... 41 OSPF 路由計(jì)算過(guò)程 .................................................................................... 41 OSPF 的 LSA 類型 ...................................................................................... 41 ( 1)五類基本的 LSA: ........................................................................... 41 ( 2)第七類 LSA ...................................................................................... 41 ( 3) Opaque LSAs .................................................................................... 42 兩臺(tái)路由器之間建立鄰接關(guān)系的過(guò)程 .......................................................... 42 兩臺(tái)路由器的數(shù)據(jù)同步過(guò)程 ........................................................................ 43 (二)調(diào)試信息說(shuō)明 ............................................................................................... 43 典型配置相關(guān)的調(diào)試信息 ............................................................................ 43 ( 1) Debugging ospf event 命令顯示信息 ................................................... 44 ( 2)相關(guān) display 顯示信息 ....................................................................... 45 ( 3) Debugging ospf lsaoriginate 命令顯示信息 ......................................... 49 ( 4) Debugging ospf packet 命令顯示信息 ...............................
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