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多区域OSPF配置

2011-02-28 21:02 295 查看

多区域OSPF配置

拓扑如下

，

Router>en

Router#conf t

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

Router(config)#ho R1

R1(config)#int fastEthernet 0/0

R1(config-if)#ip add 12.0.0.1 255.255.255.0

R1(config-if)#no shu

R1(config-if)#exit

R1(config)#int lo 1

R1(config-if)#ip add 1.1.1.1 255.255.255.0

R1(config-if)#no shu

R1(config-if)#exit

R1(config)#router ospf 1

R1(config-router)#network 12.0.0.1 0.0.0.0 area 1

R1(config-router)#net 1.1.1.1 0.0.0.0 area 1

R1(config-router)#exit

R1(config)#exit

查看R1的OSPF邻居信息

R1#show ip ospf neighbor

Neighbor ID Pri State Dead Time Address Interface

2.2.2.2 1 FULL/BDR 00:00:33 12.0.0.2 FastEthernet0/0

查看OSPF的路由

R1#sho 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

1.0.0.0/24 is subnetted, 1 subnets

C 1.1.1.0 is directly connected, Loopback1

2.0.0.0/32 is subnetted, 1 subnets

O IA 2.2.2.2 [110/2] via 12.0.0.2, 00:08:30, FastEthernet0/0

3.0.0.0/32 is subnetted, 1 subnets

O IA 3.3.3.3 [110/3] via 12.0.0.2, 00:06:40, FastEthernet0/0

4.0.0.0/32 is subnetted, 1 subnets

O IA 4.4.4.4 [110/4] via 12.0.0.2, 00:00:48, FastEthernet0/0

12.0.0.0/24 is subnetted, 1 subnets

C 12.0.0.0 is directly connected, FastEthernet0/0

23.0.0.0/24 is subnetted, 1 subnets

O IA 23.0.0.0 [110/2] via 12.0.0.2, 00:08:40, FastEthernet0/0

34.0.0.0/24 is subnetted, 1 subnets

O IA 34.0.0.0 [110/3] via 12.0.0.2, 00:06:19, FastEthernet0/0

查看R1的链路状态数据库

R1#sho ip ospf database

OSPF Router with ID (1.1.1.1) (Process ID 1)

Router Link States (Area 1)

Link ID ADV Router Age Seq# Checksum Link count

1.1.1.1 1.1.1.1 555 0x80000003 0x006caf 2

2.2.2.2 2.2.2.2 550 0x80000003 0x0051d5 1

Net Link States (Area 1)

Link ID ADV Router Age Seq# Checksum

12.0.0.1 1.1.1.1 555 0x80000001 0x00a27c

Summary Net Link States (Area 1)

Link ID ADV Router Age Seq# Checksum

23.0.0.0 2.2.2.2 540 0x80000001 0x002b14

2.2.2.2 2.2.2.2 530 0x80000002 0x00f854

3.3.3.3 2.2.2.2 421 0x80000003 0x00d274

34.0.0.0 2.2.2.2 400 0x80000004 0x009f90

4.4.4.4 2.2.2.2 73 0x80000005 0x00aa95

R1#

Router>en

Router#conf t

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

Router(config)#ho R2

R2(config)#int f0/1

R2(config-if)#ip add 12.0.0.2 255.255.255.0

R2(config-if)#no shu

R2(config-if)#exit

R2(config)#int fastEthernet 0/0

R2(config-if)#ip add 23.0.0.2 255.255.255.0

R2(config-if)#no shu

R2(config)#int lo 0

R2(config-if)#ip add 2.2.2.2 255.255.255.0

R2(config-if)#exit

R2(config)#router ospf 1

R2(config-router)#net 12.0.0.2 0.0.0.0 a 1

R2(config-router)#net 23.0.0.2 0.0.0.0 area 0

R2(config-router)#net 2.2.2.2 0.0.0.0 a 0

R2(config-router)#exit

R2(config)#exit

R2#show ip ospf neighbor

Neighbor ID Pri State Dead Time Address Interface

1.1.1.1 1 FULL/DR 00:00:39 12.0.0.1 FastEthernet0/1

3.3.3.3 1 FULL/DR 00:00:39 23.0.0.3 FastEthernet0/0

R2#sho 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

1.0.0.0/32 is subnetted, 1 subnets

O 1.1.1.1 [110/2] via 12.0.0.1, 00:14:02, FastEthernet0/1

2.0.0.0/24 is subnetted, 1 subnets

C 2.2.2.0 is directly connected, Loopback0

3.0.0.0/32 is subnetted, 1 subnets

O 3.3.3.3 [110/2] via 23.0.0.3, 00:11:56, FastEthernet0/0

4.0.0.0/32 is subnetted, 1 subnets

O IA 4.4.4.4 [110/3] via 23.0.0.3, 00:06:04, FastEthernet0/0

12.0.0.0/24 is subnetted, 1 subnets

C 12.0.0.0 is directly connected, FastEthernet0/1

23.0.0.0/24 is subnetted, 1 subnets

C 23.0.0.0 is directly connected, FastEthernet0/0

34.0.0.0/24 is subnetted, 1 subnets

O IA 34.0.0.0 [110/2] via 23.0.0.3, 00:11:35, FastEthernet0/0

R2#sho ip ospf database

OSPF Router with ID (2.2.2.2) (Process ID 1)

Router Link States (Area 0)

Link ID ADV Router Age Seq# Checksum Link count

2.2.2.2 2.2.2.2 765 0x80000003 0x005e97 2

3.3.3.3 3.3.3.3 708 0x80000004 0x007077 2

Net Link States (Area 0)

Link ID ADV Router Age Seq# Checksum

23.0.0.3 3.3.3.3 765 0x80000001 0x0007fa

Summary Net Link States (Area 0)

Link ID ADV Router Age Seq# Checksum

12.0.0.0 2.2.2.2 839 0x80000001 0x00ba8f

1.1.1.1 2.2.2.2 839 0x80000002 0x00311f

34.0.0.0 3.3.3.3 703 0x80000001 0x007db2

4.4.4.4 3.3.3.3 372 0x80000002 0x0088b7

Router Link States (Area 1)

Link ID ADV Router Age Seq# Checksum Link count

1.1.1.1 1.1.1.1 849 0x80000003 0x006caf 2

2.2.2.2 2.2.2.2 844 0x80000003 0x0051d5 1

Net Link States (Area 1)

Link ID ADV Router Age Seq# Checksum

12.0.0.1 1.1.1.1 849 0x80000001 0x00a27c

Summary Net Link States (Area 1)

Link ID ADV Router Age Seq# Checksum

23.0.0.0 2.2.2.2 835 0x80000001 0x002b14

2.2.2.2 2.2.2.2 825 0x80000002 0x00f854

3.3.3.3 2.2.2.2 716 0x80000003 0x00d274

34.0.0.0 2.2.2.2 694 0x80000004 0x009f90

4.4.4.4 2.2.2.2 368 0x80000005 0x00aa95

R2#

Router>en

Router#conf t

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

Router(config)#ho R3

R3(config)#int fastEthernet 0/1

R3(config-if)#ip add 23.0.0.3 255.255.255.0

R3(config-if)#no shu

R3(config-if)#exit

R3(config)#int fastEthernet 0/0

R3(config-if)#ip add 34.0.00.3 255.255.255.0

R3(config-if)#no shu

R3(config-if)#exit

R3(config)#int lo 0

R3(config-if)#ip ad 3.3.3.3 255.255.255.0

R3(config-if)#no shu

R3(config-if)#exit

R3(config)#router ospf 1

R3(config-router)#net 23.0.0.3 0.0.0.0 a 0

R3(config-router)#network 3.3.3.3 0.0.0.0 a 0

R3(config-router)#network 34.0.0.3 0.0.0.0 a 2

R3(config-router)#exit

R3(config)#exit

R3#sho ip ospf neighbor

Neighbor ID Pri State Dead Time Address Interface

2.2.2.2 1 FULL/BDR 00:00:38 23.0.0.2 FastEthernet0/1

4.4.4.4 1 FULL/BDR 00:00:33 34.0.0.4 FastEthernet0/0

R3#sho ip ospf database

OSPF Router with ID (3.3.3.3) (Process ID 1)

Router Link States (Area 0)

Link ID ADV Router Age Seq# Checksum Link count

2.2.2.2 2.2.2.2 927 0x80000003 0x005e97 2

3.3.3.3 3.3.3.3 870 0x80000004 0x007077 2

Net Link States (Area 0)

Link ID ADV Router Age Seq# Checksum

23.0.0.3 3.3.3.3 927 0x80000001 0x0007fa

Summary Net Link States (Area 0)

Link ID ADV Router Age Seq# Checksum

12.0.0.0 2.2.2.2 1001 0x80000001 0x00ba8f

1.1.1.1 2.2.2.2 1001 0x80000002 0x00311f

34.0.0.0 3.3.3.3 865 0x80000001 0x007db2

4.4.4.4 3.3.3.3 534 0x80000002 0x0088b7

Router Link States (Area 2)

Link ID ADV Router Age Seq# Checksum Link count

3.3.3.3 3.3.3.3 539 0x80000002 0x00b63a 1

4.4.4.4 4.4.4.4 539 0x80000004 0x0003c2 2

Net Link States (Area 2)

Link ID ADV Router Age Seq# Checksum

34.0.0.3 3.3.3.3 539 0x80000001 0x000cd5

Summary Net Link States (Area 2)

Link ID ADV Router Age Seq# Checksum

23.0.0.0 3.3.3.3 866 0x80000001 0x000d2e

3.3.3.3 3.3.3.3 866 0x80000002 0x00ac98

2.2.2.2 3.3.3.3 866 0x80000003 0x00e264

12.0.0.0 3.3.3.3 866 0x80000004 0x00a0a1

1.1.1.1 3.3.3.3 866 0x80000005 0x001731

R3#sho 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

1.0.0.0/32 is subnetted, 1 subnets

O IA 1.1.1.1 [110/3] via 23.0.0.2, 00:15:42, FastEthernet0/1

2.0.0.0/32 is subnetted, 1 subnets

O 2.2.2.2 [110/2] via 23.0.0.2, 00:15:42, FastEthernet0/1

3.0.0.0/24 is subnetted, 1 subnets

C 3.3.3.0 is directly connected, Loopback0

4.0.0.0/32 is subnetted, 1 subnets

O 4.4.4.4 [110/2] via 34.0.0.4, 00:09:09, FastEthernet0/0

12.0.0.0/24 is subnetted, 1 subnets

O IA 12.0.0.0 [110/2] via 23.0.0.2, 00:15:42, FastEthernet0/1

23.0.0.0/24 is subnetted, 1 subnets

C 23.0.0.0 is directly connected, FastEthernet0/1

34.0.0.0/24 is subnetted, 1 subnets

C 34.0.0.0 is directly connected, FastEthernet0/0

R3#

Router>en

Router#conf t

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

Router(config)#ho R4

R4(config)#interface FastEthernet0/1

R4(config-if)#ip add 34.0.0.4 255.255.255.0

R4(config-if)#no shutdown

R4(config-if)#exit

R4(config)#router ospf 1

R4(config-router)#network 34.0.0.4 0.0.0.0 a 2

R4(config-router)#net 4.4.4.4 0.0.0.0 a 2

R4(config-router)#exit

R4(config)#exit

R4#sho ip ospf neighbor

Neighbor ID Pri State Dead Time Address Interface

3.3.3.3 1 FULL/DR 00:00:37 34.0.0.3 FastEthernet0/1

R4#sho 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

1.0.0.0/32 is subnetted, 1 subnets

O IA 1.1.1.1 [110/4] via 34.0.0.3, 00:00:18, FastEthernet0/1

2.0.0.0/32 is subnetted, 1 subnets

O IA 2.2.2.2 [110/3] via 34.0.0.3, 00:00:18, FastEthernet0/1

3.0.0.0/32 is subnetted, 1 subnets

O IA 3.3.3.3 [110/2] via 34.0.0.3, 00:00:18, FastEthernet0/1

4.0.0.0/24 is subnetted, 1 subnets

C 4.4.4.0 is directly connected, Loopback0

12.0.0.0/24 is subnetted, 1 subnets

O IA 12.0.0.0 [110/3] via 34.0.0.3, 00:00:18, FastEthernet0/1

23.0.0.0/24 is subnetted, 1 subnets

O IA 23.0.0.0 [110/2] via 34.0.0.3, 00:00:18, FastEthernet0/1

34.0.0.0/24 is subnetted, 1 subnets

C 34.0.0.0 is directly connected, FastEthernet0/1

R4#sho ip ospf database

OSPF Router with ID (4.4.4.4) (Process ID 1)

Router Link States (Area 2)

Link ID ADV Router Age Seq# Checksum Link count

4.4.4.4 4.4.4.4 788 0x80000004 0x0003c2 2

3.3.3.3 3.3.3.3 788 0x80000002 0x00b63a 1

Net Link States (Area 2)

Link ID ADV Router Age Seq# Checksum

34.0.0.3 3.3.3.3 788 0x80000001 0x000cd5

Summary Net Link States (Area 2)

Link ID ADV Router Age Seq# Checksum

23.0.0.0 3.3.3.3 1115 0x80000001 0x000d2e

3.3.3.3 3.3.3.3 1115 0x80000002 0x00ac98

2.2.2.2 3.3.3.3 1115 0x80000003 0x00e264

12.0.0.0 3.3.3.3 1115 0x80000004 0x00a0a1

1.1.1.1 3.3.3.3 1115 0x80000005 0x001731

R4#

实验小结：OSPF的多区域配置，通过对每个路由器路由表，OSPF邻居，OSPF数据库的查看，对OSPFDR和BDR选举，个区域路由信息，以及OSPF有了更深刻的认识。

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标签： 配置职场 OSPF 休闲多区域

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