GNS3模擬幀中繼的兩種方法

1、使用幀中繼交換機1.1 實驗拓?fù)銴J192-168*1-2192.168.1.31.2 配置示例1.幀中繼交換機配置2.路由器配置腳本R1R1enR1#conftR1(config)#intR1(config)#interfaces1/0R1(config-if)#noshR1(config-if)#ipadd192.168.1.1255.255.255.0R1(config-if)#encapsulationframe-relay設(shè)置封裝模式R1(config-if)#serialrestart-delay0R1(config-if)#frame-relaymapip192.168.1.21

2、02/創(chuàng)建映射R1(config-if)#frame-relaymapip192.168.1.3103R1(config-if)#noframe-relayinverse-arp/關(guān)閉 inverse-arpR2映射關(guān)東映射關(guān)東端口端口; ;DLC1端口端口; ;DLCI1.10Zl：1032：03Z.2O13:3013：30添加添加印除印除R2R2enR2#conftR2(config)#ints1/0R2(config-if)#ipadd192.168.1.2255.255.255.0R2(config-if)#noshR2(config-if)#encapsulationframe-re

3、layR2(config-if)#frame-relaymapip192.168.1.1201R2(config-if)#frame-relaymapip192.168.1.3203R2(config-if)#noframe-relayinverse-arpR2(config-if)#R3R3enR3#conftR3(config)#ints1/0R3(config-if)#ipadd192.168.1.3255.255.255.0R3(config-if)#noshR3(config-if)#encapsulationframe-relayR3(config-if)#frame-relaym

4、apip192.168.1.1301R3(config-if)#frame-relaymapip192.168.1.2302R3(config-if)#noframe-relayinverse-arpR3(config-if)#3 .驗證Typeescapesequencetoabort.Sending5,100-byteICMPEchosto192.168.1.1,timeoutis2seconds:!Successrateis100percent(5/5),round-tripmin/avg/max=32/61/88msR3(config-if)#doping192.168.1.2Type

5、escapesequencetoabort.Sending5,100-byteICMPEchosto192.168.1.2,timeoutis2seconds:!Successrateis100percent(5/5),round-tripmin/avg/max=28/47/88msR3(config-if)#全網(wǎng)互通R3(config-if)#doshowframmaSerial1/0(up):ip192.168.1.1dlci301(0 x12D,0 x48D0),static,CISCO,statusdefined,activeSerial1/0(up):ip192.168.1.2dlc

6、i302(0 x12E,0 x48E0),static,CISCO,statusdefined,activeR3(config-if)#使用的是靜態(tài)映射使用路由器模擬幀中繼交換機2.1實驗拓?fù)銻22.2配置示例R1 模擬幀中繼交換機配置腳本配置如下R1enR1#conftR1(config)#frame-relayswitching把路由器設(shè)置為幀中繼交換機R1(config)#ints1/0R1(config-if)#noshR1(config-if)#noipaddR1(config-if)#encapsulationframe-relayR1(config-if)#clockrate64

7、000R1(config-if)#frame-relaylmi-typeansi設(shè)置幀中繼協(xié)議為 ansiR1(config-if)#frame-relayintf-typedce/幀中繼交換機作為 DC 端R1(config-if)#serialrestart-delay0Rl(config-if)#frame-relayroute203interfaces1/1302R1(config-if)#frame-relayroute204interfaces1/2402R1(config-if)#ints1/1R1(config-if)#noshR1(config-if)#noipaddR1(c

8、onfig-if)#encapsulationframe-relayR1(config-if)#frame-relaylmi-typeansiR1(config-if)#frame-relayintf-typedceR1(config-if)#serialrestart-delay0R1(config-if)#frame-relayroute302interfaceserial1/0203R1(config-if)#frame-relayroute304interfaces1/2403R1(config-if)#ints1/2R1(config-if)#noshR1(config-if)#no

9、ipaddR1(config-if)#encapsulationframe-relayR1(config-if)#serialrestart-delay0R1(config-if)#clockrate64000R1(config-if)#frame-relaylmi-typeansiR1(config-if)#frame-relayintf-typedceR1(config-if)#frame-relayroute402ints1/0204R1(config-if)#fraroute403ints1/13042.其他路由器配置腳本R2R2enR2#conft/設(shè)置幀中繼內(nèi)部交換R2(confi

10、g)#ints1/0R2(config-if)#noshR2(config-if)#ipadd192.168.1.2255.255.255.0R2(config-if)#encapsulationframe-relayR2(config-if)#serialrestart-delay0R3R3R3enR3#conftEnterconfigurationcommands,oneperline.EndwithCNTL/Z.R3(config)#ints1/0R3(config-if)#noshR3(config-if)#ipadd192.168.1.3255.255.255.0R3(config-

11、if)#encapsulationframe-relayR4R4enR4#conftR4(config)#ints1/0R4(config-if)#noshR4(config-if)#ipadd192.168.1.4255.255.255.0R4(config-if)#encapsulationframe-relay3.驗證R4(config-if)#doshowframmaSerial1/0(up):ip192.168.1.2dlci402(0 x192,0 x6420),dynamic,broadcast,statusdefined,activeSerial1/0(up):ip192.16

12、8.1.3dlci403(0 x193,0 x6430),dynamic,broadcast,statusdefined,activeR4(config-if)#使用的是動態(tài)的映射，inverse-arpR4(config-if)#doping192.168.1.2Typeescapesequencetoabort.Sending5,100-byteICMPEchosto192.168.1.2,timeoutis2seconds:!Successrateis100percent(5/5),round-tripmin/avg/max=64/95/132msR4(config-if)#doping

13、192.168.1.3Typeescapesequencetoabort.Sending5,100-byteICMPEchosto192.168.1.3,timeoutis2seconds:!Successrateis100percent(5/5),round-tripmin/avg/max=56/107/144msR4(config-if)#全網(wǎng)互通備注：InverseARP 用于幀中繼網(wǎng)絡(luò)中 IP 地址和虛電路號的映射關(guān)系的動態(tài)維護4.關(guān)閉 InverseARP 使用靜態(tài) map 映射R2(config-if)#noframe-relayinverse-arpR2(config-if)#d

14、ocleframin/清除動態(tài)學(xué)到哦映射R3(config-if)#noframe-relayinverse-arpR3(config-if)#docleframinR4(config-if)#noframe-relayinverse-arpR4(config-if)#docleframinR4(config-if)#doping192.168.1.2Typeescapesequencetoabort.Sending5,100-byteICMPEchosto192.168.1.2,timeoutis2seconds:Successrateis0percent(0/5)R4(config-if)

15、#doping192.168.1.3Typeescapesequencetoabort.Sending5,100-byteICMPEchosto192.168.1.3,timeoutis2seconds:Successrateis0percent(0/5)R4(config-if)#配置靜態(tài)映射R2(config-if)#frame-relaymapip192.168.1.3203R2(config-if)#frame-relaymapip192.168.1.4204R3(config-if)#frame-relaymapip192.168.1.2302R3(config-if)#frame-

16、relaymapip192.168.1.3304R3(config-if)#frame-relaymapip192.168.1.4304R3(config-if)#noframe-relaymapip192.168.1.3304R3(config-if)#R4(config-if)#frame-relaymR4(config-if)#frame-relaymaR4(config-if)#frame-relaymapip192.168.1.2402R4(config-if)#framR4(config-if)#frame-relaymaR4(config-if)#frame-relaymapip

17、192.168.1.3403R4(config-if)#R4(config-if)#doping192.168.1.2Typeescapesequencetoabort.Sending5,100-byteICMPEchosto192.168.1.2,timeoutis2seconds:!Successrateis100percent(5/5),round-tripmin/avg/max=60/87/140msR4(config-if)#doping192.168.1.3Typeescapesequencetoabort.Sending5,100-byteICMPEchosto192.168.1.3,timeoutis2seconds:!Successrateis1