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EIGRP带宽实例配置详解

时间:2017-05-10 11:13:46 网络技术 我要投稿

EIGRP带宽实例配置详解

  实际上串行接口的带宽并不是默认值,这里我们按照需求修改接口的带宽并修改EIGRP 占用带宽的百分比例。拓扑图如下:

  CCNP:

  修改带宽占用比:

  R1(config)# interface s0/0

  R1(config-if)# bandwidth 128 //注意,这里的单位是KB/s

  R1(config-if)# ip bandwidth-percent eigrp 100 40 //修改EIGRP 路由信息占用带宽的百分比为40

  R1(config-if)# end

  R2(config)# interface s0/0

  R2(config-if)# bandwidth 64 //注意,这里的单位是KB/s

  R2(config-if)# end

  R3(config)# interface s0/0

  R3(config-if)# bandwidth 64 //注意,这里的单位是KB/s

  R3(config-if)# end

  验证:

  R1#show interfaces serial 0/0 | include BW

  MTU 1500 bytes, BW 128 Kbit, DLY 20000 usec,

  EIGRP 在帧中继网络中使用点对点子接口的方式。第4 步配置中,可以看到R2 和R3 想要通过R1 学习到对方宣告的网络,必须将R1 的接口S0/0 水平分割关闭才可以。这里我们使用帧中继网络点对点子接口的`方法来完成。

  点对点子接口方式:

  R1(config)#default interface Serial 0/0 //将接口的配置还原为默认值

  Building configuration…

  Interface Serial0/0 set to default configuration

  R1(config)#

  *Mar 1 01:45:30.363: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 100: Neighbor 192.168.1.3 (Serial0/0) is resync: split horizon changed

  *Mar 1 01:45:30.367: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 100: Neighbor 192.168.1.2 (Serial0/0) is resync: split horizon changed

  *Mar 1 01:45:30.779: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 100: Neighbor 192.168.1.3 (Serial0/0) is down: interface down

  *Mar 1 01:45:30.787: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 100: Neighbor 192.168.1.2 (Serial0/0) is down: interface down

  *Mar 1 01:45:31.483: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0, changed state to down

  *Mar 1 01:45:33.499: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0, changed state to up

  R1(config)#interface Serial 0/0

  R1(config-if)#encapsulation fram  //封装为帧中继模式

  R1(config-if)#no fram inv //关闭自动获取

  R1(config-if)#no sh

  R1(config-if)#ip split eigrp 100 //打开水平分割

  R1(config-if)#int s0/0.1 point //设置点对点子接口

  R1(config-subif)#ip add 192.168.1.1 255.255.255.252

  R1(config-subif)#fram interface-dlci 102 //指定接口DLCI 号

  R1(config-fr-dlci)#int s0/0.2 point //配置R1 和R3 之间的子接口

  R1(config-subif)#ip add 192.168.1.5 255.255.255.252

  R1(config-subif)#fram interface-dlci 103

  *Mar 1 01:47:05.767: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 100: Neighbor 192.168.1.2 (Serial0/0.1) is up: new adjacency

  *Mar 1 01:47:06.651: IP-EIGRP(Default-IP-Routing-Table:100): Neighbor 192.168.1.3 not on common subnet for Serial0/0.2

  R1(config-fr-dlci)#end

  因为R1 和R2 相连的子接口IP 地址和子网掩码有所变化必须修改

  R2(config)#int s0/0

  R2(config-if)#ip add 192.168.1.2 255.255.255.252

  因为R1 和R3 相连的子接口IP 地址和子网掩码有所变化必须修改

  R3(config)#int s0/0

  R3(config-if)#ip add 192.168.1.6 255.255.255.252

  *Mar 1 01:47:51.331: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 100: Neighbor 192.168.1.5 (Serial0/0) is down: address changed

  *Mar 1 01:47:51.343: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 100: Neighbor 192.168.1.1 (Serial0/0) is down: address changed

  *Mar 1 01:47:52.463: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 100: Neighbor 192.168.1.5 (Serial0/0) is up: new adjacency

  R3(config-if)#no frame-relay map ip 192.168.1.1 301 broadcas //将之前配置的取消

  R3(config-if)#fram map ip 192.168.1.5 301 br

  验证配置:

  R1#show ip eigrp neighbors

  IP-EIGRP neighbors for process 100

  H Address Interface Hold Uptime SRTT RTO Q Seq

  (sec) (ms) Cnt Num

  1 192.168.1.6 Se0/0.2 173 00:06:53 117 1053 0 15

  0 192.168.1.2 Se0/0.1 135 00:07:12 1055 5000 0 16

  R3#ping 10.1.1.1

  Type escape sequence to abort.

  Sending 5, 100-byte ICMP Echos to 10.1.1.1, timeout is 2 seconds:

  !!!!!

  Success rate is 100 percent (5/5), round-trip min/avg/max = 20/89/180 ms

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