实验、配置Eigrp 验证，汇总

实验、配置Eigrp 验证，汇总

环境：三台路由器串口相连，其它接口配置如图

要求：1.配置EIGRP关闭自动路由汇总

2.在R1的三个LOOP口进行EIGRP手工路由汇总

3.R2、R3配置EIGRP接口密文验证

4.验证并测试结果

步骤一： 配置三个路由器接口使其连通。

R1的配置

R1(config)# interface Loopback0

R1(config-if)# ip address 30.1.1.1 255.255.255.0

R1(config)# interface Loopback1

R1(config-if)# ip address 30.1.2.1 255.255.255.0

R1(config)# interface Loopback2

R1(config-if)# ip address 30.1.3.1 255.255.255.0

R1(config)# interface s0

R1(config-if)# ip address 10.1.1.2 255.255.255.0

R1(config-if)#no shutdown

R2的配置

R2(config)# interface s0

R2(config-if)# ip address 10.1.1.1 255.255.255.0

R2(config-if)#clockrate 64000

R2(config-if)#no shutdown

R2(config)# interface s1

R2(config-if)# ip address 20.1.1.1 255.255.255.0

R12(config-if)#no shutdown

R3的配置

R3(config)# interface Loopback0

R3(config-if)# ip address 40.1.1.1 255.255.255.0

R3(config)# interface s1

R3(config-if)# ip address 20.1.1.2 255.255.255.0

R3(config-if)#clockrate 64000

R3(config-if)#no shutdown

步骤二： 配置Eigrp

R1的配置

R1(config)# router eigrp 100 à启用eigrp，自治号为100，三台路由器保持一致

R1(config-router)# network 10.1.1.0 0.0.0.255 à使相关接口参与eigrp

R1(config-router)# network 30.1.1.0 0.0.0.255

R1(config-router)# network 30.1.2.0 0.0.0.255

R1(config-router)# network 30.1.3.0 0.0.0.255

R1(config-router)# no auto-summary à关闭自动汇总

R2的配置

R2(config)# router eigrp 100

R2(config-router)# network 10.1.1.0 0.0.0.255

R2(config-router)# network 20.1.1.0 0.0.0.255

R2(config-router)# no auto-summary

R3的配置

R3(config)# router eigrp 100

R3(config-router)# network 20.1.1.0 0.0.0.255

R3(config-router)# network 40.1.1.0 0.0.0.255

R3(config-router)# no auto-summary

步骤三：配置EIGRP手工路由汇总

R1的配置

R1(config)# interface s0

R1(config-if)# ip summary-address eigrp 100 30.1.0.0 255.255.252.0 à手工汇总路由

步骤四：在r2和r3上配置EIGRP 验证

R2的配置

R2(config)# key chain cisco à定义chain名称

R2(config-keychain)# key 1 àkey值编号，须一致

R2(config-keychain-key)# key-string aaa à定义密钥，须一致

R2(config)# interface s1

R2(config-if)# ip authentication mode eigrp 100 md5 à启用eigrp验证模式md5

R2(config-if)# ip authentication key-chain eigrp 100 cisco à将chain应用到验证

R3的配置

R3(config)# key chain cisco

R3(config-keychain)# key 1

R3(config-keychain-key)# key-string aaa

R3(config)# interface s1

R3(config-if)# ip authentication mode eigrp 100 md5

R3(config-if)# ip authentication key-chain eigrp 100 cisco

步骤五：查看路由表

R1#show ip route à显示路由表，如下图显示证明验证通过D为eigrp路由

Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP

D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area

N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2

E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP

i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2

ia - IS-IS inter area, * - candidate default, U - per-user static route

o - ODR, P - periodic downloaded static route

Gateway of last resort is not set

20.0.0.0/24 is subnetted, 1 subnets

D 20.1.1.0 [90/2681856] via 10.1.1.1, 00:12:39, Serial0

40.0.0.0/24 is subnetted, 1 subnets

D 40.1.1.0 [90/2809856] via 10.1.1.1, 00:12:39, Serial0

10.0.0.0/24 is subnetted, 1 subnets

C 10.1.1.0 is directly connected, Serial0

30.0.0.0/8 is variably subnetted, 4 subnets, 2 masks

C 30.1.3.0/24 is directly connected, Loopback2

C 30.1.2.0/24 is directly connected, Loopback1

C 30.1.1.0/24 is directly connected, Loopback0

D 30.1.0.0/22 is a summary, 00:12:47, Null0 à汇总产生的空接口

R2#show ip route

Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP

D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area

N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2

E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP

i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2

ia - IS-IS inter area, * - candidate default, U - per-user static route

o - ODR, P - periodic downloaded static route

Gateway of last resort is not set

20.0.0.0/24 is subnetted, 1 subnets

C 20.1.1.0 is directly connected, Serial1

40.0.0.0/24 is subnetted, 1 subnets

D 40.1.1.0 [90/2297856] via 20.1.1.2, 00:13:13, Serial1

10.0.0.0/24 is subnetted, 1 subnets

C 10.1.1.0 is directly connected, Serial0

30.0.0.0/22 is subnetted, 1 subnets

D 30.1.0.0 [90/2297856] via 10.1.1.2, 00:10:02, Serial0 à学到了汇总的条目

R3#show ip route

Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP

D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area

N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2

E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP

i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2

ia - IS-IS inter area, * - candidate default, U - per-user static route

o - ODR, P - periodic downloaded static route

Gateway of last resort is not set

20.0.0.0/24 is subnetted, 1 subnets

C 20.1.1.0 is directly connected, Serial1

40.0.0.0/24 is subnetted, 1 subnets

C 40.1.1.0 is directly connected, Loopback0

10.0.0.0/24 is subnetted, 1 subnets

D 10.1.1.0 [90/2681856] via 20.1.1.1, 00:06:33, Serial1

30.0.0.0/22 is subnetted, 1 subnets

D 30.1.0.0 [90/2809856] via 20.1.1.1, 00:03:22, Serial1

步骤六：查看邻居表

R1#show ip eigrp neighbors à显示邻居

IP-EIGRP neighbors for process 100

H Address Interface Hold Uptime SRTT RTO Q Seq Type

(sec) (ms) Cnt Num

0 10.1.1.1 Se0 11 00:13:11 28 200 0 35

R2#show ip eigrp neighbors

IP-EIGRP neighbors for process 100

H Address Interface Hold Uptime SRTT RTO Q Seq Type

(sec) (ms) Cnt Num

0 10.1.1.2 Se0 12 00:10:49 670 4020 0 22

1 20.1.1.2 Se1 13 00:14:04 36 216 0 14

R3#sh ip eigrp neighbors

IP-EIGRP neighbors for process 100

H Address Interface Hold Uptime SRTT RTO Q Seq Type

(sec) (ms) Cnt Num

0 20.1.1.1 Se1 13 00:09:18 252 1512 0 36

步骤七：用ping命令测试

R1#ping 40.1.1.1 à测试连通性，显示已通

!!!!!

R3#ping 30.1.1.1

!!!!!

步骤八：显示当前配置信息

R1#sh run

hostname R1

interface Loopback0

ip address 30.1.1.1 255.255.255.0

interface Loopback1

ip address 30.1.2.1 255.255.255.0

interface Loopback2

ip address 30.1.3.1 255.255.255.0

interface Serial0

ip address 10.1.1.2 255.255.255.0

ip summary-address eigrp 100 30.1.0.0 255.255.252.0 5

router eigrp 100

network 10.1.1.0 0.0.0.255

network 30.1.1.0 0.0.0.255

network 30.1.2.0 0.0.0.255

network 30.1.3.0 0.0.0.255

no auto-summary

end

R2#sh run

hostname R2

key chain cisco

key 1

key-string aaa

interface Serial0

ip address 10.1.1.1 255.255.255.0

clockrate 64000

interface Serial1

ip address 20.1.1.1 255.255.255.0

ip authentication mode eigrp 100 md5

ip authentication key-chain eigrp 100 cisco

router eigrp 100

network 10.1.1.0 0.0.0.255

network 20.1.1.0 0.0.0.255

no auto-summary

end

R3#sh run

hostname R3

key chain cisco

key 1

key-string aaa

interface Loopback0

ip address 40.1.1.1 255.255.255.0

！

interface Serial1

ip address 20.1.1.2 255.255.255.0

ip authentication mode eigrp 100 md5

ip authentication key-chain eigrp 100 cisco

clockrate 64000

router eigrp 100

network 20.1.1.0 0.0.0.255

network 40.1.1.0 0.0.0.255

no auto-summary

end

转载于:https://blog.51cto.com/11579/601402

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