OSPF多区域配置

网络拓扑图：

OSPF多区域配置

R1：

Router>

Router>en

Router#conf t

Enter configuration commands, one per line. End with CNTL/Z.

Router(config)#no ip domain lookup

Router(config)#hostname Rz1

Rz1(config)#int s1/0

Rz1(config-if)#ip address 192.168.12.1 255.255.255.0

Rz1(config-if)#no shut

Rz1(config-if)#exit

Rz1(config)#int lo0

Rz1(config-if)#ip address 10.17.10.128 255.255.255.0

Rz1(config-if)#no shut

Rz1(config-if)#exit

Rz1(config)#int fa0/0

Rz1(config-if)#ip address 10.172.196.254 255.255.255.0

Rz1(config-if)#no shut

Rz1(config-if)#exit

Rz1(config)#router ospf 11 =================配置OSPF协议

Rz1(config-router)#router-id 1.1.1.1

Rz1(config-router)#network 192.168.12.0 0.0.0.255 area 1

Rz1(config-router)#network 10.17.10.0 0.0.0.255 area 1

Rz1(config-router)#network 10.172.196.0 0.0.0.255 area 1

Rz1(config-router)#end

%SYS-5-CONFIG_I: Configured from console by console

Rz1#write

Building configuration...

[OK]

Rz1#

R2：

Router>

Router>en

Router#conf t

Enter configuration commands, one per line. End with CNTL/Z.

Router(config)#no ip domain lookup

Router(config)#hostname Rz2

Rz2(config)#int s1/1

Rz2(config-if)#ip address 192.168.12.2 255.255.255.0

Rz2(config-if)#clock rate 56000

Rz2(config-if)#no shut

%LINK-5-CHANGED: Interface Serial1/1, changed state to up

Rz2(config-if)#exit

%LINEPROTO-5-UPDOWN: Line protocol on Interface Serial1/1, changed state to up

Rz2(config)#int s1/1

Rz2(config-if)#exit

Rz2(config)#int s1/0

Rz2(config-if)#ip address 192.168.23.2 255.255.255.0

Rz2(config-if)#clock rate 56000

Rz2(config-if)#no shu

%LINK-5-CHANGED: Interface Serial1/0, changed state to down

Rz2(config-if)#exit

Rz2(config)#router ospf 22 =================配置OSPF协议

Rz2(config-router)#router-id 2.2.2.2

Rz2(config-router)#network 192.168.12.0 0.0.0.255 area 1

Rz2(config-router)#network 192.168.23.0 0.0.0.255 area 0

Rz2(config-router)#end

%SYS-5-CONFIG_I: Configured from console by console

Rz2#write

Building configuration...

[OK]

Rz2#

R3：

Router>

Router>en

Router#conf t

Enter configuration commands, one per line. End with CNTL/Z.

Router(config)#no ip domain lookup

Router(config)#hostname Rz3

Rz3(config)#int s1/0

Rz3(config-if)#ip address 192.168.23.3 255.255.255.0

Rz3(config-if)#no shut

Rz3(config-if)#exit

Rz3(config)#int s1/1

Rz3(config-if)#ip address 192.168.34.3 255.255.255.0

Rz3(config-if)#clock rate 56000

Rz3(config-if)#no shut

Rz3(config-if)#exit

Rz3(config)#int fa0/0

Rz3(config-if)#ip address 10.157.196.254 255.255.255.0

Rz3(config-if)#no shut

Rz3(config-if)#exit

Rz3(config)#router ospf 33 =====================配置OSPF协议

Rz3(config-router)#router-id 3.3.3.3

Rz3(config-router)#network 10.157.196.0 0.0.0.255 area 0

Rz3(config-router)#network 192.168.23.0 0.0.0.255 area 0

Rz3(config-router)#network 192.168.34.0 0.0.0.255 area 1

Rz3(config-router)#end

Rz3#write

Building configuration...

[OK]

Rz3#

R4:

Router>

Router>en

Router#conf t

Enter configuration commands, one per line. End with CNTL/Z.

Router(config)#no ip domain lookup

Router(config)#hostname Rz4

Rz4(config)#int s1/0

Rz4(config-if)#ip address 192.168.34.4 255.255.255.0

Rz4(config-if)#no shut

%LINK-5-CHANGED: Interface Serial1/0, changed state to up

Rz4(config-if)#exit

Rz4(config)#int lo0

Rz4(config-if)#ip address 172.20.196.4 255.255.255.0

Rz4(config-if)#no shut

Rz4(config-if)#exit

Rz4(config)#int fa0/0

Rz4(config-if)#ip address 112.10.17.254 255.255.255.0

Rz4(config-if)#no shut

Rz4(config-if)#exit

Rz4(config)#int fa0/1

Rz4(config-if)#ip address 10.110.122.254 255.255.255.0

Rz4(config-if)#no shut

Rz4(config-if)#exit

Rz4(config)#router ospf 44 =========配置OSPF协议

Rz4(config-router)#router-id 4.4.4.4

Rz4(config-router)#network 192.168.34.0 0.0.0.255 area 2

Rz4(config-router)#network 172.20.196.0 0.0.0.255 area 2

Rz4(config-router)#network 10.110.122.0 0.0.0.255 area 2

Rz4(config-router)#network 112.10.17.0 0.0.0.255 area 2

Rz4(config-router)#end

Rz4#write

Building configuration...

[OK]

Rz4#

配置完成。

测试：

查看路由表：

1、查看R1路由器的路由表：

Rz1#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, 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

10.0.0.0/24 is subnetted, 4 subnets

C 10.17.10.0 is directly connected, Loopback0

O IA 10.110.122.0 [110/2344] via 192.168.12.2, 00:39:19, Serial1/0

O IA 10.157.196.0 [110/1563] via 192.168.12.2, 00:40:50, Serial1/0

C 10.172.196.0 is directly connected, FastEthernet0/0

112.0.0.0/24 is subnetted, 1 subnets

O IA 112.10.17.0 [110/2344] via 192.168.12.2, 00:39:04, Serial1/0

172.20.0.0/32 is subnetted, 1 subnets

O IA 172.20.196.4 [110/2344] via 192.168.12.2, 00:53:51, Serial1/0

C 192.168.12.0/24 is directly connected, Serial1/0

O IA 192.168.23.0/24 [110/1562] via 192.168.12.2, 01:00:15, Serial1/0

O IA 192.168.34.0/24 [110/2343] via 192.168.12.2, 00:56:38, Serial1/0

Rz1#

2、查看R2路由器的路由表：

R2:

Rz2#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, 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

10.0.0.0/8 is variably subnetted, 4 subnets, 2 masks

O 10.17.10.128/32 [110/782] via 192.168.12.1, 01:02:01, Serial1/1

O IA 10.110.122.0/24 [110/1563] via 192.168.23.3, 00:40:03, Serial1/0

O 10.157.196.0/24 [110/782] via 192.168.23.3, 00:41:33, Serial1/0

O 10.172.196.0/24 [110/782] via 192.168.12.1, 00:43:01, Serial1/1

112.0.0.0/24 is subnetted, 1 subnets

O IA 112.10.17.0 [110/1563] via 192.168.23.3, 00:39:47, Serial1/0

172.20.0.0/32 is subnetted, 1 subnets

O IA 172.20.196.4 [110/1563] via 192.168.23.3, 00:54:34, Serial1/0

C 192.168.12.0/24 is directly connected, Serial1/1

C 192.168.23.0/24 is directly connected, Serial1/0

O IA 192.168.34.0/24 [110/1562] via 192.168.23.3, 00:57:21, Serial1/0

Rz2#

3、查看R3路由器的路由表：

R3:

Rz3#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, 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

10.0.0.0/8 is variably subnetted, 4 subnets, 2 masks

O IA 10.17.10.128/32 [110/1563] via 192.168.23.2, 01:00:17, Serial1/0

O 10.110.122.0/24 [110/782] via 192.168.34.4, 00:40:59, Serial1/1

C 10.157.196.0/24 is directly connected, FastEthernet0/0

O IA 10.172.196.0/24 [110/1563] via 192.168.23.2, 00:43:48, Serial1/0

112.0.0.0/24 is subnetted, 1 subnets

O 112.10.17.0 [110/782] via 192.168.34.4, 00:40:44, Serial1/1

172.20.0.0/32 is subnetted, 1 subnets

O 172.20.196.4 [110/782] via 192.168.34.4, 00:55:31, Serial1/1

O IA 192.168.12.0/24 [110/1562] via 192.168.23.2, 01:00:17, Serial1/0

C 192.168.23.0/24 is directly connected, Serial1/0

C 192.168.34.0/24 is directly connected, Serial1/1

Rz3#

4、查看R4路由器的路由表：

R4：

Rz4#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, 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

10.0.0.0/8 is variably subnetted, 4 subnets, 2 masks

O IA 10.17.10.128/32 [110/2344] via 192.168.34.3, 00:56:18, Serial1/0

C 10.110.122.0/24 is directly connected, FastEthernet0/1

O IA 10.157.196.0/24 [110/782] via 192.168.34.3, 00:42:49, Serial1/0

O IA 10.172.196.0/24 [110/2344] via 192.168.34.3, 00:44:12, Serial1/0

112.0.0.0/24 is subnetted, 1 subnets

C 112.10.17.0 is directly connected, FastEthernet0/0

172.20.0.0/24 is subnetted, 1 subnets

C 172.20.196.0 is directly connected, Loopback0

O IA 192.168.12.0/24 [110/2343] via 192.168.34.3, 00:56:18, Serial1/0

O IA 192.168.23.0/24 [110/1562] via 192.168.34.3, 00:56:18, Serial1/0

C 192.168.34.0/24 is directly connected, Serial1/0

Rz4#

用ping命令测试：

PC>ping DNS.Server.com

Pinging 10.157.196.10 with 32 bytes of data:

Reply from 10.157.196.10: bytes=32 time=125ms TTL=125

Reply from 10.157.196.10: bytes=32 time=110ms TTL=125

Reply from 10.157.196.10: bytes=32 time=78ms TTL=125

Reply from 10.157.196.10: bytes=32 time=125ms TTL=125

Ping statistics for 10.157.196.10:

Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),

Approximate round trip times in milli-seconds:

Minimum = 78ms, Maximum = 125ms, Average = 109ms

PC>

PC>ping Web.cysd.com

Pinging 112.10.17.3 with 32 bytes of data:

Reply from 112.10.17.3: bytes=32 time=110ms TTL=124

Reply from 112.10.17.3: bytes=32 time=143ms TTL=124

Reply from 112.10.17.3: bytes=32 time=141ms TTL=124

Reply from 112.10.17.3: bytes=32 time=172ms TTL=124

Ping statistics for 112.10.17.3:

Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),

Approximate round trip times in milli-seconds:

Minimum = 110ms, Maximum = 172ms, Average = 141ms

PC>

PC>ping Market.cysd.com

Pinging 10.110.122.3 with 32 bytes of data:

Reply from 10.110.122.3: bytes=32 time=156ms TTL=124

Reply from 10.110.122.3: bytes=32 time=140ms TTL=124

Reply from 10.110.122.3: bytes=32 time=128ms TTL=124

Reply from 10.110.122.3: bytes=32 time=141ms TTL=124

Ping statistics for 10.110.122.3:

Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),

Approximate round trip times in milli-seconds:

Minimum = 128ms, Maximum = 156ms, Average = 141ms

PC>

对路由器进行安全设置：

1、 对路由器进行con和vty配置：

R1：

Rz1>en

Rz1#conf t

Enter configuration commands, one per line. End with CNTL/Z.

Rz1(config)#line console 0

Rz1(config-line)#password cisco

Rz1(config-line)#login

Rz1(config-line)#exit

Rz1(config)#line vty 0 4

Rz1(config-line)#password cisco

Rz1(config-line)#login

Rz1(config-line)#exit

Rz1(config)#enable password cisco

Rz1(config)#service password-encryption

Rz1(config)#end

%SYS-5-CONFIG_I: Configured from console by console

Rz1#write

Building configuration...

[OK]

Rz1#

R2：

Rz2>enable

Rz2#conf t

Enter configuration commands, one per line. End with CNTL/Z.

Rz2(config)#line console 0

Rz2(config-line)#password cisco

Rz2(config-line)#login

Rz2(config-line)#exit

Rz2(config)#line vty 0 4

Rz2(config-line)#password cisco

Rz2(config-line)#login

Rz2(config-line)#exit

Rz2(config)#enable password cisco

Rz2(config)#service password-encryption

Rz2(config)#end

%SYS-5-CONFIG_I: Configured from console by console

Rz2#write

Building configuration...

[OK]

Rz2#

R3：

Rz3>enable

Rz3#conf t

Enter configuration commands, one per line. End with CNTL/Z.

Rz3(config)#line console 0

Rz3(config-line)#password cisco

Rz3(config-line)#login

Rz3(config-line)#exit

Rz3(config)#line vty 0 4

Rz3(config-line)#password cisco

Rz3(config-line)#login

Rz3(config-line)#exit

Rz3(config)#enable password cisco

Rz3(config)#service password-encryption

Rz3(config)#end

%SYS-5-CONFIG_I: Configured from console by console

Rz3#write

Building configuration...

[OK]

Rz3#

R4：

Rz4>enable

Rz4#conf t

Enter configuration commands, one per line. End with CNTL/Z.

Rz4(config)#line console 0

Rz4(config-line)#password cisco

Rz4(config-line)#login

Rz4(config-line)#exit

Rz4(config)#line vty 0 4

Rz4(config-line)#password cisco

Rz4(config-line)#login

Rz4(config-line)#exit

Rz4(config)#enable password cisco

Rz4(config)#service password-encryption

Rz4(config)#end

%SYS-5-CONFIG_I: Configured from console by console

Rz4#write

Building configuration...

[OK]

Rz4#

实验完成。