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CCIE分解:幀中繼子接口和流量整形配置

時間:2008-11-06 14:52:00   來源:無憂考網(wǎng)     [字體: ]
實驗說明:
  R1和R2之間的平均吞吐量較低為了節(jié)省開支,我們決定修改與服務(wù)提供商簽署的合同,將約定信息速率從1.544Mbit/s降低到19.2Mbit/s
  實驗過程:
  第一步:預(yù)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 //配置為點到點子接口
  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 //關(guān)閉反向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  實驗過程:
  第一步:在R1 進行流量整形
  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上進行流量整形。
  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:查看更為詳細的流量整流的統(tǒng)計結(jié)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