网络工程师交换试验手册之十二：帧中继网络模型.doc

网络工程师交换试验手册之十二：帧中继网络模型实验目的：了解帧中继的基本配置过程，理解帧中继的基本工作过程和原理。实验拓扑：12.JPG (20.37 KB)2007-6-25 11:08实验内容：1配置点到多点帧中继R3上的帧中继配置：R3(config)#int s1R3(config-if)#ip add 192.168.10.3 255.255.255.0R3(config-if)#en frR3(config-if)#no fr invR3(config-if)#fr map ip 192.168.10.3 102 broR3(config-if)#fr map ip 192.168.10.4 102 broR3(config-if)#fr map ip 192.168.10.5 103 broR3(config-if)#no shutR4上的帧中继配置：R4(config)#int s0R4(config-if)#ip add 192.168.10.4 255.255.255.0R4(config-if)#en frR4(config-if)#no fr invR4(config-if)#fr map ip 192.168.10.3 201 broR4(config-if)#fr map ip 192.168.10.4 201 broR4(config-if)#fr map ip 192.168.10.5 201 broR3(config-if)#no shutR5上的帧中继配置：R5(config)#int s0R5(config-if)#ip add 192.168.10.5 255.255.255.0R5(config-if)#en frR5(config-if)#no fr invR5(config-if)#fr map ip 192.168.10.3 301 broR5(config-if)#fr map ip 192.168.10.4 301 broR5(config-if)#fr map ip 192.168.10.5 301 broR5(config-if)#no shut2查看帧中继配置R3上查看：R3#show fr mapSerial1 (up): ip 192.168.10.3 dlci 102(0x66,0x1860), static, broadcast, CISCO, status defined, activeSerial1 (up): ip 192.168.10.4 dlci 102(0x66,0x1860), static, broadcast, CISCO, status defined, activeSerial1 (up): ip 192.168.10.5 dlci 103(0x67,0x1870), static, broadcast, CISCO, status defined, activeR3#show fr pvcPVC Statistics for interface Serial1 (Frame Relay DTE) Active Inactive Deleted StaticLocal 2 0 0 0Switched 0 0 0 0Unused 0 1 0 0DLCI = 102, DLCI USAGE = LOCAL, PVC STATUS = ACTIVE, INTERFACE = Serial1input pkts 0 output pkts 0 in bytes 0out bytes 0 dropped pkts 0 in FECN pkts 0in BECN pkts 0 out FECN pkts 0 out BECN pkts 0in DE pkts 0 out DE pkts 0out bcast pkts 0 out bcast bytes 0pvc create time 00:08:05, last time pvc status changed 00:03:34DLCI = 103, DLCI USAGE = LOCAL, PVC STATUS = ACTIVE, INTERFACE = Serial1input pkts 0 output pkts 0 in bytes 0out bytes 0 dropped pkts 0 in FECN pkts 0in BECN pkts 0 out FECN pkts 0 out BECN pkts 0in DE pkts 0 out DE pkts 0out bcast pkts 0 out bcast bytes 0pvc create time 00:08:02, last time pvc status changed 00:04:05R4上查看：R4#show fr mapSerial0 (up): ip 192.168.10.3 dlci 201(0xC9,0x3090), static, broadcast, CISCO, status defined, activeSerial0 (up): ip 192.168.10.4 dlci 201(0xC9,0x3090), static, broadcast, CISCO, status defined, activeSerial0 (up): ip 192.168.10.5 dlci 201(0xC9,0x3090), static, broadcast, CISCO, status defined, activeR4#show fr pvcPVC Statistics for interface Serial0 (Frame Relay DTE) Active Inactive Deleted StaticLocal 1 0 0 0Switched 0 0 0 0Unused 0 0 0 0DLCI = 201, DLCI USAGE = LOCAL, PVC STATUS = ACTIVE, INTERFACE = Serial0input pkts 0 output pkts 0 in bytes 0out bytes 0 dropped pkts 0 in FECN pkts 0in BECN pkts 0 out FECN pkts 0 out BECN pkts 0in DE pkts 0 out DE pkts 0out bcast pkts 0 out bcast bytes 0pvc create time 00:05:56, last time pvc status changed 00:02:43R5上查看：R5#show fr mapSerial0 (up): ip 192.168.10.3 dlci 301(0x12D,0x48D0), static, broadcast, CISCO, status defined, activeSerial0 (up): ip 192.168.10.4 dlci 301(0x12D,0x48D0), static, broadcast, CISCO, status defined, activeSerial0 (up): ip 192.168.10.5 dlci 301(0x12D,0x48D0), static, broadcast, CISCO, status defined, activeR5#show fr pvcPVC Statistics for interface Serial0 (Frame Relay DTE) Active Inactive Deleted StaticLocal 1 0 0 0Switched 0 0 0 0Unused 0 0 0 0DLCI = 301, DLCI USAGE = LOCAL, PVC STATUS = ACTIVE, INTERFACE = Serial0input pkts 0 output pkts 0 in bytes 0out bytes 0 dropped pkts 0 in FECN pkts 0in BECN pkts 0 out FECN pkts 0 out BECN pkts 0in DE pkts 0 out DE pkts 0out bcast pkts 0 out bcast bytes 0pvc create time 00:04:06, last time pvc status changed 00:02:403测试线路连同性：R1上PING:R3#ping 192.168.10.3Type escape sequence to abort.Sending 5, 100-byte ICMP Echos to 192.168.10.3, timeout is 2 seconds:!Success rate is 100 percent (5/5), round-trip min/avg/max = 112/116/124 msR3#ping 192.168.10.4Type escape sequence to abort.Sending 5, 100-byte ICMP Echos to 192.168.10.3, timeout is 2 seconds:!Success rate is 100 percent (5/5), round-trip min/avg/max = 112/116/124 ms R3#ping 192.168.10.5Type escape sequence to abort.Sendi