GNS3模擬幀中繼的兩種方法

1、使用幀中繼交換機1.1 實驗拓撲KJi?2. isa. i. z192- 168- 1-31.2配置示例1.幀中繼交換機配置R3(config-if)#do ping 192.168.1.1理射關系隔口一 DLC1端口；DLC11:1OZ l：103 2： £032.2013:3013:302添加雇) 珀蹤CD)2.路由器配置腳本R1R1>enR1#conftR1(config)#intR1(config)#interface s 1/0R1(config-if)#no shR1(config-if)#ip add 192.168.1.1 255.255.255.0R1(con

2、fig-if)# encapsulation frame-relay / 設置圭寸裝模式R1(config-if)#serial restart-delay 0R1(config-if)# frame-relay map ip 192.168.1.2 102/ 創(chuàng)建映射R1(config-if)#frame-relay map ip 192.168.1.3 103R1(config-if)# no frame-relay inverse-arp / 關閉 inverse-arpR2R2>R2>enR2#conftR2(config)#int s 1/0R2(config-if)#i

3、p add 192.168.1.2 255.255.255.0R2(config-if)#no shR2(config-if)#encapsulation frame-relayR2(config-if)#frame-relay map ip 192.168.1.1 201R2(config-if)#frame-relay map ip 192.168.1.3 203R2(config-if)#no frame-relay inverse-arpR2(config-if)#R3R3>enR3#conf tR3(config)#int s 1/0R3(config-if)#ip add 1

4、92.168.1.3 255.255.255.0R3(config-if)#no shR3(config-if)#encapsulation frame-relayR3(config-if)#frame-relay map ip 192.168.1.1 301R3(config-if)#frame-relay map ip 192.168.1.2 302R3(config-if)#no frame-relay inverse-arpR3(config-if)#3. 驗證Type escape sequence to abort.Sending 5, 100-byte ICMP Echos to

5、 192.168.1.1, timeout is 2 seconds: !Success rate is 100 percent (5/5), round-trip min/avg/max = 32/61/88 msR3(config-if)#do ping 192.168.1.2Type escape sequence to abort.Sending 5, 100-byte ICMP Echos to 192.168.1.2, timeout is 2 seconds: !Success rate is 100 percent (5/5), round-trip min/avg/max =

6、 28/47/88 msR3(config-if)#全網(wǎng)互通R3(config-if)#do show fram maSerial1/0 (up): ip 192.168.1.1 dlci 301(0x12D,0x48D0), static,CISCO, status defined, activeSerial1/0 (up): ip 192.168.1.2 dlci 302(0x12E,0x48E0), static,CISCO, status defined, 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R1(config-if)# frame-rel

7、ay intf-type dce / 幀中繼交換機作為DCE2.1 實驗拓撲R22.21.配置示例R1模擬幀中繼交換機配置腳本配置如下R1>enR1#conftR1(config)# frame-relay switching把路由器設置為幀中繼交換機R1(config)#int s 1/0R1(config-if)#no shR1(config-if)#no ip addR1(config-if)#encapsulation frame-relayR1(config-if)#clock rate 64000R1(config-if)# frame-relay lmi-type ansi

8、設置幀中繼協(xié)議為ansi/設置幀中繼內(nèi)部交換R1(config-if)#serial restart-delay 0Rl(config-if)# frame-relay route 203 interface s 1/1 302R1(config-if)#frame-relay route 204 interface s 1/2 402R1(config-if)#int s 1/1R1(config-if)#no shR1(config-if)#no ip addR1(config-if)#encapsulation frame-relayR1(config-if)#frame-relay l

9、mi-type ansiR1(config-if)#frame-relay intf-type dceR1(config-if)#serial restart-delay 0R1(config-if)#frame-relay route 302 interface serial 1/0 203R1(config-if)#frame-relay route 304 interface s 1/2 403R1(config-if)#int s 1/2R1(config-if)#no shR1(config-if)#no ip addR1(config-if)#encapsulation frame

10、-relayR1(config-if)#serial restart-delay 0R1(config-if)#clock rate 64000R1(config-if)#frame-relay lmi-type ansiR1(config-if)#frame-relay intf-type dceR1(config-if)#frame-relay route 402 int s 1/0 204R1(config-if)#fra route 403 int s 1/1 3042.其他路由器配置腳本R2R2>enR2#conf tR2(config)#int s 1/0R2(config-

11、if)#no shR2(config-if)#ip add 192.168.1.2 255.255.255.0R2(config-if)#encapsulation frame-relayR2(config-if)#serial restart-delay 0R3R3>R3>enR3#conftEnter configuration commands, one per line. End with CNTL/Z.R3(config)#int s 1/0R3(config-if)#no shR3(config-if)#ip add 192.168.1.3 255.255.255.0R

12、3(config-if)#encapsulation frame-relayR4R4>enR4#conftR4(config)#int s 1/0R4(config-if)#no shR4(config-if)#ip add 192.168.1.4 255.255.255.0R4(config-if)#encapsulation frame-relay3.驗證R4(config-if)#do show fram maSerial1/0 (up): ip 192.168.1.2 dlci 402(0x192,0x6420),dynamic,broadcast, status defined

13、, activeSerial1/0 (up): ip 192.168.1.3 dlci 403(0x193,0x6430),dynamic,broadcast, status defined, activeR4(config-if)#使用的是動態(tài)的映射，inverse-arpR4(config-if)#do ping 192.168.1.2Type escape sequence to abort.Sending 5, 100-byte ICMP Echos to 192.168.1.2, timeout is 2 seconds: !Success rate is 100 percent (

14、5/5), round-trip min/avg/max = 64/95/132 msR4(config-if)#do ping 192.168.1.3Type escape sequence to abort.Sending 5, 100-byte ICMP Echos to 192.168.1.3, timeout is 2 seconds: !Success rate is 100 percent (5/5), round-trip min/avg/max = 56/107/144 msR4(config-if)#全網(wǎng)互通備注：Inverse ARP用于幀中繼網(wǎng)絡中IP地址和虛電路號的映

15、射關系的動態(tài)維護4. 關閉Inverse ARP 使用靜態(tài) map映射R2(config-if)#no frame-relay inverse-arpR2(config-if)#do cle fram in /清除動態(tài)學到哦映射R3(config-if)#no frame-relay inverse-arpR3(config-if)#do cle fram inR4(config-if)#no frame-relay inverse-arpR4(config-if)#do cle fram inR4(config-if)#do ping 192.168.1.2Type escape seque

16、nce to abort.Sending 5, 100-byte ICMP Echos to 192.168.1.2, timeout is 2 seconds:Success rate is 0 percent (0/5)R4(config-if)#do ping 192.168.1.3Type escape sequence to abort.Sending 5, 100-byte ICMP Echos to 192.168.1.3, timeout is 2 seconds:Success rate is 0 percent (0/5)R4(config-if)#配置靜態(tài)映射R2(con

17、fig-if)#frame-relay map ip 192.168.1.3 203R2(config-if)#frame-relay map ip 192.168.1.4 204R2(config-if)#R3(config-if)#frame-relay map ip 192.168.1.2 302R3(config-if)#frame-relay map ip 192.168.1.3 304R3(config-if)#frame-relay map ip 192.168.1.4 304R3(config-if)#no frame-relay map ip 192.168.1.3 304R

18、3(config-if)#R4(config-if)#frame-relay mR4(config-if)#frame-relay maR4(config-if)#frame-relay map ip 192.168.1.2 402R4(config-if)#framR4(config-if)#frame-relay maR4(config-if)#frame-relay map ip 192.168.1.3 403R4(config-if)#R4(config-if)#do ping 192.168.1.2Type escape sequence to abort.Sending 5, 100-byte ICMP Echos to 192.168.1.2, timeout is 2 seconds: !Success rate is 100 percent (5/5), round-trip min/avg/max = 60/87/140 msR4(config-if)#do ping 192.168.1.3Type escape sequence to abort.Sending 5, 100-byte ICMP Echos to 192.168.1.3, timeout is 2 seconds: !Success rate