D102以太網(wǎng)交換機基礎課件

1、D102 以太網(wǎng)交換機基礎死哉統(tǒng)國拘廖買滯商杰遙餓額趁葷他面狡聚憐賞咖休獄蔫羅若賄貳況瘩售D102以太網(wǎng)交換機基礎D102以太網(wǎng)交換機基礎華為3Com公司版權所有，未經(jīng)授權不得使用與傳播引入在構建局域網(wǎng)絡時，我們最常用的網(wǎng)絡設備是以太網(wǎng)交換機。在本章中我們將介紹以太網(wǎng)交換技術，同時將介紹華為公司的一款交換機S3026。叁被怨淫廉侖渾硼陸械劇早抬淬始曼賴瑯笆拋鱉郡丸聾仆瞥氣膨郴騎彈函D102以太網(wǎng)交換機基礎D102以太網(wǎng)交換機基礎學習目標了解以太網(wǎng)交換技術的相關標準掌握802.3幀格式理解交換機的基本原理掌握S3026的基本配置學習完本課程，您應該能夠：宋定刊眩胃對掘胞僧蕩坦勞視誨魚劉貧竟鍬僑稍

2、量錫畝嘿羹唉燎測鯉耀單D102以太網(wǎng)交換機基礎D102以太網(wǎng)交換機基礎課程內容以太網(wǎng)技術基礎交換技術S3026原理及配置瀉篆溺亢其票些提抱祿檬酉銷膚真蒲顆南琢脫給兩霉驅揍詳黍頗肯皆莆筋D102以太網(wǎng)交換機基礎D102以太網(wǎng)交換機基礎以太網(wǎng)基礎802.3 相關電纜802.3 MAC 子層協(xié)議IEEE 802.2 標準: Logic Link Control （LLC）常用以太網(wǎng)連接方式 快速以太網(wǎng)簡介拿睛戀噓耀窿變揉味暑鴻省唇鉀緘蛆踞砸它強睜哀安舅妖藥俄乳堂織遠簍D102以太網(wǎng)交換機基礎D102以太網(wǎng)交換機基礎參考資料IEEE 802.3IEEE 802.2IEEE 802.3uIEEE 802

3、.3z男閃些祖柿恿妥昨振瘟韻顯抄鋅鄙楞饅蒲疲社磚領怨礙郡甫蘆發(fā)臺亨賄投D102以太網(wǎng)交換機基礎D102以太網(wǎng)交換機基礎以太網(wǎng)簡介以太網(wǎng)由Xerox公司PARC研究中心于1973年5月22日首次提出xIc以太電纜 分接器接口電纜收發(fā)器站點 接口控制器終端器詹禹碧僅浮屆昌深催正嘎估斡形嘻驢降益敬戴司淹文皺潦期惕白衷蠶黍蹈D102以太網(wǎng)交換機基礎D102以太網(wǎng)交換機基礎802.3 線纜Name電纜最大區(qū)間長度10BASE-5粗同軸電纜500m10BASE-2細同軸電纜200m10BASE-T雙絞線100m10BASE-F光纖2000m牛嘛歹脈疲霍蔫婆僻笨禮蓉芳項囤詭頓甄原仍綜測顱膊總肇楊燕莉身竄矽D

4、102以太網(wǎng)交換機基礎D102以太網(wǎng)交換機基礎802.3 幀PRE: 先導字節(jié), 7個10101010 SFD: 幀開始標志, 10101011 DA: 目的 MAC地址 SA: 源MAC地址 LEN: LLC幀長度DATA: 數(shù)據(jù)字段PAD: 填充字段CRC: 校驗字段716622 or 34LLC 幀64到1518字節(jié)字節(jié)CRCPADDATALLC 控制信息LENSADASFDPRE賢迢楊律攣界婿揣關淹宿桌胃漸渺諒熒軋蠟警趕道錨有橢茄匣含妹蹲萌轍D102以太網(wǎng)交換機基礎D102以太網(wǎng)交換機基礎MAC與802.2 標準LLCMAC數(shù)據(jù)鏈路層物理層LLC 的位置網(wǎng)絡層 協(xié)議格式分組網(wǎng)絡MAC

5、頭LLC頭分組MACLLC 頭分組猖意賺騷光撼霓肄款圾個期央磨伴贖莆幌貢嫩匝花唉阮男膏怠廉婪殉蓉餐D102以太網(wǎng)交換機基礎D102以太網(wǎng)交換機基礎3種802.3連接方式10Base510Base210BaseT收發(fā)器夾子收發(fā)器電纜芯連接器雙絞線 集線器蔽嗓灸萊監(jiān)扳晌入封葡泣試碑病驕翱另幣林連場舅足鎳搔鎊敝鴛穴椎記搖D102以太網(wǎng)交換機基礎D102以太網(wǎng)交換機基礎802.3u 標準名稱線纜最大段長優(yōu)點100Base-T4雙絞線100m使用3類線100Base-Tx雙絞線100m100Mbps 全雙工100Base-F 光纖2000m100Mbps 全雙工梳侯哩沮股勒卻萍森競花惑渣肆塹朽德尉冕迷似

6、粟讀綸賠前辟藤磕醞浚保D102以太網(wǎng)交換機基礎D102以太網(wǎng)交換機基礎問題快速以太網(wǎng)和千兆以太網(wǎng)的標準是什么?橋協(xié)議的標準是什么 ?VLAN的標準是什么?孺攔練銷身契肋陶末畜蛇梢時垣巍多據(jù)扒猿芳攢畝表峰事旨赴礫呆裙堅份D102以太網(wǎng)交換機基礎D102以太網(wǎng)交換機基礎答案802.3u & 802.3zIEEE 802.1dIEEE 802.1q嬸盆式煽匝筑燈蔑妝氯斌魯龔唬趨狀餾錢菏陳謄庫非箱籬畫歸情懶淖百威D102以太網(wǎng)交換機基礎D102以太網(wǎng)交換機基礎課程內容以太網(wǎng)技術基礎交換技術S3026原理及配置盆藕辛圃椽倘瞄幫恢身紳縱豁眺障將悠渡乙馭峰艾脖晦竭皇左鋸悟座絨融D102以太網(wǎng)交換機基礎D10

7、2以太網(wǎng)交換機基礎交換技術局域網(wǎng)交換技術局域網(wǎng)交換機邏輯模型交換機輸入輸出接口配置交換機嗚農(nóng)戎卒首撒羊泉膿槍個碟碧漱坯獵雌就沙遍嗽掀妓陰呼略猜鯉輪帛札告D102以太網(wǎng)交換機基礎D102以太網(wǎng)交換機基礎局域網(wǎng)交換技術Hub沖突域Switch沖突域1沖突域 2撣仙沫驢膘妻靛韶情娃餾媽孜皚刁意餞焊噬凱廉暮翔體仗片褐還牽籠茨礬D102以太網(wǎng)交換機基礎D102以太網(wǎng)交換機基礎LAN Switch 邏輯模型三層及三層以上LLCMAC 物理層橋協(xié)議實體轉發(fā)邏輯輸入輸出輸入輸出鎮(zhèn)吉縷瞻控菇敬椎霞滇肩凌汀受著飽致僅鱗閡牌瓦浸優(yōu)泊諷剮巡琳就徒餌D102以太網(wǎng)交換機基礎D102以太網(wǎng)交換機基礎LAN Switch

8、轉發(fā)邏輯MAC 地址表Mac 地址端口號學習邏輯學習邏輯過慮/轉發(fā)邏輯接口接口撇健咬媳壁恩伴伶垂請傅興寞皿宏系擱瘡屬凝愧污僅忿帝疚湍瘟爵勉趨院D102以太網(wǎng)交換機基礎D102以太網(wǎng)交換機基礎LAN Switch 輸入輸出接口 上行接口Lan SwitchLan Switch10 Base-T 鏈路100Base-Fx 全雙工鏈路接入接口樣朔屎車拓砍斂躥諸洼瀾滅扮翔理牢蔥掀跟最暖銅罷圓向頑泛乙榴棍每緒D102以太網(wǎng)交換機基礎D102以太網(wǎng)交換機基礎現(xiàn)代局域網(wǎng)模型外部網(wǎng)絡三層交換機交換機交換機交換機交換機交換機交換機膚殆褲浚洋垂坡閹奄籽侈堿曬致抬看筋齋蔓惜勉躍敦磚瓣摻焦延嗆輯韋奸D102以太網(wǎng)交換

9、機基礎D102以太網(wǎng)交換機基礎課程內容以太網(wǎng)技術基礎交換技術S3026原理及配置憫藻厘尊緒裁威圣獲靳跋舀灼牟獸際拉瀉使嘶媳成肺腺雀姻嗣犧憋威胳汞D102以太網(wǎng)交換機基礎D102以太網(wǎng)交換機基礎Quidway S3026 交換機基本原理及配置配置基礎與配置模型Quidway S3026 端口配置 VLAN與VLAN配置端口聚合STP 基本原理與配置熔眾杜竣鼎殿郎酉慎喬掀亭絹癸擬猖猙兄謀藍繹蛙郭琴指炯割敬喻沽對奶D102以太網(wǎng)交換機基礎D102以太網(wǎng)交換機基礎參考資料IEEE 802.1qIEEE 802.1dIEEE 802.1w樁游染茲寐批詩腥管庸疥維瀑速炸部膠掃博蹤忽向磺盆錯囪矢蕩胯浴饒娜D

10、102以太網(wǎng)交換機基礎D102以太網(wǎng)交換機基礎Quidway S3026配置端口：Console固定端口：100BASE-TX: 24擴展插槽：2擴展模塊：1口100BASE-FX單模模塊 1口100BASE-FX多模模塊 1口100BASE-TX模塊 1口1000BASE-SX單模模塊 1口1000BASE-LX多模模塊 1口1000BASE-T模塊壞擾駱警煞灼尊詢纏矛終獅凳私餌磅濫鉛席荒滿胰恒肝蚤軸優(yōu)洛圃梗寶總D102以太網(wǎng)交換機基礎D102以太網(wǎng)交換機基礎超級終端設置配置視圖用戶視圖系統(tǒng)視圖以太網(wǎng)端口視圖VLAN視圖VLAN接口視圖用戶界面視圖俯擺緘覺色盛爍惺勾科襖埃則姆怨狡執(zhí)釩速翻喀標

11、躺苯晚巷守嬸楚松涵茁D102以太網(wǎng)交換機基礎D102以太網(wǎng)交換機基礎用戶視圖?User view commands: boot Set boot option cd Change the current path clock Specify the system clock cluster Run cluster command copy Copy the file debugging Enable system debugging functions delete Delete the file 喂參草污備做壞幌殉莫灤湍平翅早液廁疤空酣脖猩輕球順權若院裴早痞袒D102以太網(wǎng)交換機基礎D102

12、以太網(wǎng)交換機基礎系統(tǒng)視圖Quidway?Quidwaysuper password修改特權用戶密碼Quidwaysysname交換機命名 Quidwayinterface ethernet 0/1進入接口視圖Quidwayquit退出系統(tǒng)視圖Quidwayinfo-center console channel console信息輸出設置 Quidwaymonitor-port ethernet 0/1配置流量鏡像垮虞革春丈奔私象檀揍店剎玩這上寧亂癟銷蜀忱黨眼塹鷹泵昌地熾油勻墑D102以太網(wǎng)交換機基礎D102以太網(wǎng)交換機基礎配置接口Quidway-Ethernet0/1?Quidway-Ethe

13、rnet0/1duplex half | full | auto配置端口雙工工作狀態(tài)Quidway-Ethernet0/1speed 10 | 100 | auto 配置端口工作速率Quidway-Ethernet0/1flow-control 配置端口流控Quidway-Ethernet0/1 mdi across|auto|normal配置端口MDI/MDIX狀態(tài)Quidway-Ethernet0/1 shutdown/undo shutdown關閉/重起接口豫邪壺寵怒伸仕漿朵獻廬暈克唯膊謅酸渾先貯只軒嚼哲鵑疾圈族道霧丁搪D102以太網(wǎng)交換機基礎D102以太網(wǎng)交換機基礎VLAN 示意DAS

14、ATypeDataCRCDASATypeDataCRCTag0 x8100PriorityCFIVLAN ID標準以太幀trunkVLAN1VLAN2Vlan tag 幀餌袋墩芥晤炔箭鄲漠袒議陛誦侍僧喧鋪蚊耕螞林嶺領廉楓饑蝗悶脹賄域弛D102以太網(wǎng)交換機基礎D102以太網(wǎng)交換機基礎VLAN基本配置Quidwayvlan 3Quidwayundo vlan 3創(chuàng)建/刪除一個VLAN/進入VLAN配置模式Quidway-vlan3port ethernet 0/1 to ethernet 0/4給VLAN增加/刪除以太網(wǎng)接口Quidway-Ethernet0/2port access vlan 3

15、將接口加入到指定VLANQuidway-Ethernet0/2port link-type trunk|access|hybrid設置接口工作模式Quidway-Ethernet0/2port trunk permit vlan ID|All設置允許trunk端口通過指定VLAN的數(shù)據(jù)幀Quidway-Ethernet0/2port trunk pvid vlan 3設置trunk端口的PVID斑閏歌言瑣呀礁隔殘壺鴦十茁凌遂宰妙翔紛丈予僥潛測耗擾券緯疤羽建殷D102以太網(wǎng)交換機基礎D102以太網(wǎng)交換機基礎配置端口聚合配置端口聚合link-aggregation port_num1 to por

16、t_num2 ingress | bothQuidway link-aggregation ethernet 0/7 to ethernet 0/10 ingress清除端口聚合undo link-aggregation master_port_num | allQuidwayundo link-aggregation ethernet 0/7案巖率送窮波錄齊兼媒芬捉滄五拴挫蘊糾疽鬼爽虛瘁彎冤呢竊送盒麥它銜D102以太網(wǎng)交換機基礎D102以太網(wǎng)交換機基礎一個有循環(huán)的局域網(wǎng)STP(Spanning Tree Protocol)選擇根交換機優(yōu)先級Mac地址Switch-3 PORT14PORT20

17、Switch-2 PORT6PORT8Switch-1PORT4PORT11透發(fā)遠嶺尼顴檀該謠奄蒲嘎硝拆猜典嬌別匿相叔初再桅華拜當源鱉耿頓童D102以太網(wǎng)交換機基礎D102以太網(wǎng)交換機基礎STP基本配置開啟/關閉生成樹功能stp enable | disableQuidway stp enableQuidway-Ethernet0/3stp disable缺省情況下，交換機的生成樹功能是關閉的砌團睹耶汞誅輛斂疊批轎瓢匡朽瞄摩左艦頤峪貴魁供箱駿穎碴楔街拙懦釋D102以太網(wǎng)交換機基礎D102以太網(wǎng)交換機基礎用Quidway S3026簡單組網(wǎng)案例目標：PCA和PCC同屬于一個VLAN 2且能相互通

18、信。PCB和PCD同屬于另一個VLAN 3且能相互通信。兩臺S3026用兩根100M網(wǎng)線通過Trunk鏈路互連，并使用端口聚合功能增加鏈路帶寬trunkPCA:VLAN2PCD:VLAN2PCC:VLAN2PCB:VLAN3術蜒秩艱躥退池站勃皇涌按春司恐浚棍嬌構妄同采裁足舍凰源強榆楞威坑D102以太網(wǎng)交換機基礎D102以太網(wǎng)交換機基礎用Quidway S3026簡單組網(wǎng)案例配置VLAN：SwitchA & SwitchBSwitchAvlan 2SwitchA-vlan2port ethernet 0/1SwitchA-vlan2vlan 3SwitchA-vlan3port ethernet 0/2配置接口SwitchA-Ethernet0/23speed 100SwitchA-Ethernet0/23duplex fullSwitchA-Ethernet0/23port link-type trunkSwitchA-Ethernet0/23port trunk permit vlan 2 to 3SwitchA-Ethernet0/24speed 100SwitchA-Eth