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計(jì)算機(jī)通信與網(wǎng)絡(luò)實(shí)驗(yàn)指導(dǎo)書新-文庫(kù)吧在線文庫(kù)

  

【正文】 netstats——本選項(xiàng)能夠按照各個(gè)協(xié)議分別顯示其統(tǒng)計(jì)數(shù)據(jù)netstate——本選項(xiàng)用于顯示關(guān)于以太網(wǎng)的統(tǒng)計(jì)數(shù)據(jù)。了解計(jì)算機(jī)當(dāng)前的IP地址、子網(wǎng)掩碼和缺省網(wǎng)關(guān)實(shí)際上是進(jìn)行測(cè)試和故障分析的必要項(xiàng)目。NAT的配置【需求】?jī)?nèi)網(wǎng)用戶通過路由器的NAT轉(zhuǎn)換來(lái)訪問Internet【組網(wǎng)圖】deny39。【組網(wǎng)圖】【配置腳本】RouterA配置腳本 sysname routeAlocaluser admin password cipher admin servicetype telnet terminal level 3 servicetype ftpinterface Ethernet0/0 ip address interface Serial0/0 linkprotocol ppp ip address ospf 1 /啟用OSPF協(xié)議 area network network userinterface vty 0 4 authenticationmode schemereturnRouterB配置腳本sysname routeB super password level 3 simple adminlocaluser admin password cipher admin servicetype telnet terminal level 3 servicetype ftpinterface Ethernet0/0interface Serial0/0 clock DTECLK1 linkprotocol pppip address interface Serial2/0 clock DTECLK1 linkprotocol pppip address interface NULL0ospf 1 area network network userinterface vty 0 4 set authentication password simple adminreturnRouterC配置腳本 sysname routeClocaluser admin password cipher admin servicetype telnet terminal level 3 servicetype ftpinterface Ethernet0/0 ip address interface Serial0/0 linkprotocol ppp ip address interface NULL0ospf 1 area network network importroute rip userinterface vty 0 4 authenticationmode schemeReturnRouterX配置腳本 sysname routexlocaluser admin password cipher admin servicetype telnet terminal level 3 servicetype ftpinterface Ethernet0/0 ip address interface Serial0/0 linkprotocol ppp ip address interface NULL0rip network network importroute ospf userinterface vty 0 4 authenticationmode schemeReturnRouterY配置腳本sysname routeB super password level 3 simple adminlocaluser admin password cipher admin servicetype telnet terminal level 3 servicetype ftpinterface Ethernet0/0interface Serial0/0 clock DTECLK1 linkprotocol pppip address interface Serial2/0 clock DTECLK1 linkprotocol pppip address interface NULL0rip network network userinterface vty 0 4 set authentication password simple adminreturnRouterZ配置腳本sysname routeB super password level 3 simple adminlocaluser admin password cipher admin servicetype telnet terminal level 3 servicetype ftpinterface Ethernet0/0interface Serial0/0 clock DTECLK1 linkprotocol pppip address interface Serial2/0 clock DTECLK1 linkprotocol pppip address rip network network userinterface vty 0 4 set authentication password simple adminreturn【驗(yàn)證】Pc1可能Ping通pc2,【提示】 , 。35DTE/DCE線纜一根。ACL訪問控制列表實(shí)驗(yàn)二、儀器、設(shè)備:每組路由器一臺(tái)三、參考資料:計(jì)算機(jī)網(wǎng)絡(luò)實(shí)驗(yàn)指導(dǎo)書四、實(shí)驗(yàn)(設(shè)計(jì))目的:掌握訪問控制列表的設(shè)置方法,通過設(shè)置ACL訪問控制列表過濾數(shù)據(jù)包。如果你輸入ipconfig/release,那么所有端口的租用IP地址便重新交付給DHCP服務(wù)器(歸還IP地址)。IPConfigIP Config 實(shí)用程序和它的等價(jià)圖形用戶界面——Windows 95/98中的WinIPCfg可用于顯示當(dāng)前的ICP/IP配置的設(shè)置值。但如果收到0個(gè)回送應(yīng)答,那么表示子網(wǎng)掩碼(進(jìn)行子網(wǎng)分割時(shí),將IP地址的網(wǎng)絡(luò)部分與主機(jī)部分分開的代碼)不正確或網(wǎng)卡配置錯(cuò)誤或電纜系統(tǒng)有問題。 常用網(wǎng)絡(luò)命令二、儀器、設(shè)備:每組兩臺(tái)路由器,兩臺(tái)交換機(jī),4臺(tái)學(xué)生機(jī)三、參考資料:計(jì)算機(jī)網(wǎng)絡(luò)實(shí)驗(yàn)指導(dǎo)書四、實(shí)驗(yàn)(設(shè)計(jì))目的:1.圖中IP連接數(shù)目非常大,這對(duì)于普通應(yīng)用終端來(lái)講,顯然不是一種正常的業(yè)務(wù)連接。如果要查看219.*.(網(wǎng)關(guān))與內(nèi)部所有流量通信圖,我們可以點(diǎn)擊左邊菜單中,排列第一位的MAP按鈕如圖(10)所示,網(wǎng)關(guān)與內(nèi)網(wǎng)間的所有流量都在這里動(dòng)態(tài)的顯示。選擇菜單欄中ToolsAddress Book 點(diǎn)擊左邊的放大鏡(autodiscovery 掃描)在彈出的窗口中輸入您所要掃描的IP地址段,本例輸入:219.*..*.,系統(tǒng)會(huì)自動(dòng)掃描IPMAC對(duì)應(yīng)關(guān)系。 圖5我們來(lái)啟動(dòng)Sniffer Pro。對(duì)于很多企業(yè)、網(wǎng)吧網(wǎng)絡(luò)環(huán)境中,網(wǎng)關(guān)(路由、代理等)自身不具備流量監(jiān)控、查詢功能,本文將是一個(gè)很好的解決方案。 0 Serial0/0 10 3124 0 DIRECT 0 Serial0/0 10 0/啟動(dòng)ospf路由協(xié)議/area /接口s0/0使能OSPF/userinterface con 0userinterface vty 0 4returnRouterC配置腳本sysname RouterCrouter id /接口loop 0使能OSPF/network /接口s0/0使能OSPF/userinterface con 0userinterface vty 0 4returnRouterB配置腳本sysname RouterBrouter id /接口e0/0使能OSPF/network 請(qǐng)大家記錄上述命令的顯示結(jié)果,并據(jù)此分析OSPF如何描述鏈路狀態(tài)和計(jì)算路由。步驟二:配置靜態(tài)路由[RTA]ip routestatic serial0/0 preference 60[RTB]ip routestatic serial0/0 pre
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