TB000002 光網(wǎng)絡(luò)METRO-以太網(wǎng)原理ISSUE1.0.pdf (505.98 KB)【資料名稱】：TB000002 光網(wǎng)絡(luò)METRO-以太網(wǎng)原理ISSUE1.0.pdf

【資料作者】：hw

【資料日期】：1999

【資料語(yǔ)言】：中文

【資料格式】：PDF

【資料目錄和簡(jiǎn)介】：

目錄
課程說(shuō)明....................................................................................................................................1
課程介紹...................................................................................................................................... 1
課程目標(biāo)...................................................................................................................................... 1
第 1章 概述................................................................................................................................2
1.1 以太網(wǎng)的設(shè)計(jì)目標(biāo)................................................................................................................. 2
1.2 以太網(wǎng)基本技術(shù)..................................................................................................................... 2
1.2.1 半雙工CSMA/CD ...................................................................................................... 2
1.2.2 以太網(wǎng)的物理介質(zhì)....................................................................................................... 3
1.2.3 全雙工以太網(wǎng)和以太網(wǎng)交換機(jī).................................................................................... 3
1.2.4 以太網(wǎng)的應(yīng)用.............................................................................................................. 4
1.3 以太網(wǎng)物理層及相關(guān)設(shè)備...................................................................................................... 4
1.3.1 物理層系列標(biāo)準(zhǔn).......................................................................................................... 4
1.3.2 100BASE-TX物理層.................................................................................................. 5
1.3.3 自動(dòng)協(xié)商..................................................................................................................... 6
1.3.4 集線器......................................................................................................................... 8
1.4 物理層總結(jié)............................................................................................................................ 8
第 2章 數(shù)據(jù)鏈路層....................................................................................................................9
2.1 數(shù)據(jù)鏈路層特點(diǎn)..................................................................................................................... 9
2.2 以太網(wǎng)鏈路層的分層結(jié)構(gòu)...................................................................................................... 9
2.3 MAC子層............................................................................................................................ 10
2.3.1 半雙工MAC子層...................................................................................................... 10
2.3.2 全雙工MAC子層..................................................................................................... 11
2.3.3 MAC地址和數(shù)據(jù)幀的收發(fā)........................................................................................ 12
2.4 LLC子層............................................................................................................................. 13
2.5 以太網(wǎng)數(shù)據(jù)鏈路層總結(jié)........................................................................................................ 15
第 3章 以太網(wǎng)交換機(jī) .............................................................................................................. 16
3.1 以太網(wǎng)交換機(jī)體系結(jié)構(gòu)........................................................................................................ 16
3.2 以太網(wǎng)交換機(jī)工作過(guò)程........................................................................................................ 17
第 4章 VLAN基本概念............................................................................................................ 19
4.1 VLAN的劃分方式................................................................................................................ 19
4.1.1 基于端口的 VLAN .................................................................................................... 19
4.1.2 基于 MAC地址的 VLAN .......................................................................................... 19
4.2 交換機(jī)間鏈路...................................................................................................................... 20
4.2.1 802.1Q幀格式.......................................................................................................... 21
4.2.2 數(shù)據(jù)幀在不同類型端口之間的轉(zhuǎn)發(fā)........................................................................... 22
4.2.3 VLAN在交換機(jī)上的配置.......................................................................................... 23 TB000002光網(wǎng)絡(luò)METRO-以太網(wǎng)原理
ISSUE1.0目錄

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4.3 以太網(wǎng)的QoS保證............................................................................................................. 23
第 5章 千兆以太網(wǎng)................................................................................................................... 25
5.1 千兆以太網(wǎng)基本概念 ........................................................................................................... 25
5.1.1 8B/10B塊編碼.......................................................................................................... 25
5.1.2 有序集....................................................................................................................... 25
5.1.3 數(shù)據(jù)的封裝............................................................................................................... 26
5.2 千兆以太網(wǎng)自動(dòng)協(xié)商內(nèi)容.................................................................................................... 27
5.2.1 雙工模式.................................................................................................................. 27
5.2.2 流量控制.................................................................................................................. 27
5.2.3 運(yùn)行速率................................................................................................................... 28
5.3 千兆以太網(wǎng)自動(dòng)協(xié)商過(guò)程.................................................................................................... 28
5.3.1 功能編碼................................................................................................................... 28
5.4 千兆以太網(wǎng)案例分析 ........................................................................................................... 30
第 6 章 二層組播...................................................................................................................... 31
6.1 二層組播基本概念............................................................................................................... 31
6.1.1 組播 MAC地址......................................................................................................... 31
6.1.2 MAC層數(shù)據(jù)幀的接收............................................................................................... 31
6.1.3 組播轉(zhuǎn)發(fā)表............................................................................................................... 32
6.2 二層組播協(xié)議...................................................................................................................... 33
6.2.1 IGMP協(xié)議................................................................................................................ 33
6.2.2 GMRP協(xié)議............................................................................................................... 35
6.3 總結(jié)..................................................................................................................................... 35
第 7章 生成樹(shù)協(xié)議.................................................................................................................. 37
7.1 廣播風(fēng)暴.............................................................................................................................. 37
7.2 生成樹(shù)協(xié)議基本概念 ........................................................................................................... 38
7.2.1 根交換機(jī)................................................................................................................... 38
7.2.2 交換機(jī)標(biāo)識(shí)和交換機(jī)優(yōu)先級(jí)..................................................................................... 38
7.2.3 端口成本和端口優(yōu)先級(jí) ............................................................................................ 39
7.2.4 根端口...................................................................................................................... 39
7.2.5 指定交換機(jī)和指定端口 ............................................................................................ 39
7.3 生成樹(shù)協(xié)議的運(yùn)行過(guò)程........................................................................................................ 40