实验说明： R1和R2之间的平均吞吐量较低为了节省开支，我们决定修改与服务提供商签署的合同，将约定信息速率从1.544Mbit/s降低到19.2Mbit/s 实验过程： 第一步：预配置 R1(config)#int s3/0 R1(config-if)#encapsulation frame-relay R1(config-if)#no frame-relay inverse-arp R1(config-if)#no sh R1(config-if)#end R1(config)#int s3/0.1 point-to-point //配置为点到点子接口 R1(config-subif)#no sh R1(config-subif)#ip ad 192.168.12.1 255.255.255.0 R1(config-subif)#no frame-relay inverse-arp //关闭反向ARP R1(config-subif)#frame-relay interface-dlci 102 R1(config-subif)#exit R1(config)#router ospf 1 R1(config-router)#net 0.0.0.0 0.0.0.0 area 0 R1(config-router)#exit R1(config)#int s3/0.2 point-to-point R1(config-subif)#no sh R1(config-subif)#no frame-relay inverse-arp R1(config-subif)#ip ad 192.168.13.1 255.255.255.0 R1(config-subif)#no sh R1(config-subif)#frame-relay interface-dlci 103 R2(config)#int s3/0 R2(config-if)#encapsulation frame-relay R2(config-if)#ip ad 192.168.12.2 255.255.255.0 R2(config-if)#no sh R2(config-if)#frame-relay map ip 192.168.12.1 201 broadcast R2(config-if)#exit R2(config)#router ospf 1 R2(config-router)#net 0.0.0.0 0.0.0.0 area 0 R2(config-router)#exit R2(config)#int s3/0 R2(config-if)#ip ospf network point-to-point R3(config)#int s3/0 R3(config-if)#no sh R3(config-if)#encapsulation frame-relay R3(config-if)#no frame-relay inverse-arp R3(config-if)#ip ad 192.168.13.3 255.255.255.0 R3(config-if)#no sh R3(config-if)#frame-relay map ip 192.168.13.1 301 b R3(config-if)#exit R3(config)#router ospf 1 R3(config-router)#net 0.0.0.0 0.0.0.0 area 0 R3(config-router)#exit R3(config)#int s3/0 R3(config-if)#ip ospf network point-to-point 实验过程： 第一步：在R1 进行流量整形 R1(config)#map-class frame-relay CIR R1(config-map-class)#frame-relay traffic-rate 19200 R1(config-map-class)#exit R1(config)#int s3/0 R1(config-if)#frame-relay traffic-shaping R1(config-if)#int s3/0.1 R1(config-subif)#frame-relay class CIR R1(config-subif)#int s3/0.2 R1(config-subif)#frame-relay class CIR 第二步：在R2上进行流量整形。 R2(config)#map-class frame-relay CIR R2(config-map-class)#frame-relay traffic-rate 19200 R2(config-map-class)#exit R2(config)#int s3/0 R2(config-if)#frame-relay class CIR 第三步：查看更为详细的流量整流的统计结果 R1#show frame pvc 102 PVC Statistics for interface Serial3/0 (Frame Relay DTE) DLCI = 102, DLCI USAGE = LOCAL, PVC STATUS = INACTIVE, INTERFACE = Serial3/0.1 input pkts 0 output pkts 0 in bytes 0 out bytes 0 dropped pkts 0 in pkts dropped 0 out pkts dropped 0 out bytes dropped 0 in FECN pkts 0 in BECN pkts 0 out FECN pkts 0 out BECN pkts 0 in DE pkts 0 out DE pkts 0 out bcast pkts 0 out bcast bytes 0 5 minute input rate 0 bits/sec, 0 packets/sec 5 minute output rate 0 bits/sec, 0 packets/sec pvc create time 00:50:40, last time pvc status changed 00:50:40 cir 19200 bc 19200 be 0 byte limit 300 interval 125 mincir 9600 byte increment 300 Adaptive Shaping none pkts 0 bytes 0 pkts delayed 0 bytes delayed 0 shaping inactive traffic shaping drops 0 Queueing strategy: fifo Output queue 0/40, 0 drop, 0 dequeued R2#show frame pvc 201 PVC Statistics for interface Serial3/0 (Frame Relay DTE) DLCI = 201, DLCI USAGE = LOCAL, PVC STATUS = DELETED, INTERFACE = Serial3/0 input pkts 0 output pkts 0 in bytes 0 out bytes 0 dropped pkts 0 in pkts dropped 0 out pkts dropped 0 out bytes dropped 0 in FECN pkts 0 in BECN pkts 0 out FECN pkts 0 out BECN pkts 0 in DE pkts 0 out DE pkts 0 out bcast pkts 0 out bcast bytes 0 5 minute input rate 0 bits/sec, 0 packets/sec 5 minute output rate 0 bits/sec, 0 packets/sec pvc create time 00:49:50, last time pvc status changed 00:49:37
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