HCNA-30 OSPF多区域配置

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HCNA-30 OSPF多区域配置

基本配置：

<Huawei>system-view

[Huawei]sysname r1

[r1]interface GigabitEthernet 0/0/0

[r1-GigabitEthernet0/0/0]ip address 172.16.12.1 24

[r1-GigabitEthernet0/0/0]interface GigabitEthernet0/0/1

[r1-GigabitEthernet0/0/1]ip address 172.16.13.1 24  

[r1-GigabitEthernet0/0/1]interface GigabitEthernet0/0/2

[r1-GigabitEthernet0/0/2]ip address 172.16.15.1 24

[r1-GigabitEthernet0/0/2]quit

[r1]display ip interface brief

<Huawei>system-view

[Huawei]sysname r2

[r2]interface GigabitEthernet 0/0/0

[r2-GigabitEthernet0/0/0]ip address 172.16.12.2 24

[r2-GigabitEthernet0/0/0]interface GigabitEthernet0/0/1

[r2-GigabitEthernet0/0/1]ip address 172.16.24.2 24

[r2-GigabitEthernet0/0/1]interface GigabitEthernet0/0/2

[r2-GigabitEthernet0/0/2]ip address 172.16.26.2 24

[r2-GigabitEthernet0/0/2]quit

[r2]display ip interface brief

<Huawei>system-view

[Huawei]sysname r3

[r3]interface GigabitEthernet 0/0/0

[r3-GigabitEthernet0/0/0]ip address 172.16.13.3 24

[r3-GigabitEthernet0/0/0]interface GigabitEthernet0/0/1

[r3-GigabitEthernet0/0/1]ip address 172.16.34.3 24

[r3-GigabitEthernet0/0/1]interface GigabitEthernet0/0/2

[r3-GigabitEthernet0/0/2]ip address 172.16.35.3 24

[r3-GigabitEthernet0/0/2]interface GigabitEthernet4/0/0

[r3-GigabitEthernet4/0/0]ip address 192.168.30.1 24

[r3-GigabitEthernet4/0/0]display ip interface brief

<Huawei>system-view

[Huawei]sysname r4

[r4]interface GigabitEthernet 0/0/0

[r4-GigabitEthernet0/0/0]ip address 172.16.34.4 24

[r4-GigabitEthernet0/0/0]interface GigabitEthernet0/0/1

[r4-GigabitEthernet0/0/1]ip address 172.16.24.4 24

[r4-GigabitEthernet0/0/1]interface GigabitEthernet0/0/2

[r4-GigabitEthernet0/0/2]ip address 172.16.46.4 24

[r4-GigabitEthernet0/0/2]interface GigabitEthernet4/0/0

[r4-GigabitEthernet4/0/0]ip address 192.168.40.1 24

[r4-GigabitEthernet4/0/0]display ip interface brief

<Huawei>system-view

[Huawei]sysname r5

[r5]interface GigabitEthernet 0/0/0

[r5-GigabitEthernet0/0/0]ip address 172.16.15.5 24

[r5-GigabitEthernet0/0/0]interface GigabitEthernet0/0/1

[r5-GigabitEthernet0/0/1]ip address 172.16.35.5 24

[r5-GigabitEthernet0/0/1]interface GigabitEthernet0/0/2

[r5-GigabitEthernet0/0/2]ip address 192.168.50.1 24

[r5-GigabitEthernet0/0/2]quit

[r5]display ip interface brief

<Huawei>system-view

[Huawei]sysname r6

[r6]interface GigabitEthernet 0/0/0

[r6-GigabitEthernet0/0/0]ip address 172.16.26.6 24

[r6-GigabitEthernet0/0/0]interface GigabitEthernet0/0/1

[r6-GigabitEthernet0/0/1]ip address 172.16.46.6 24

[r6-GigabitEthernet0/0/1]interface GigabitEthernet0/0/2

[r6-GigabitEthernet0/0/2]ip address 192.168.60.1 24

[r6-GigabitEthernet0/0/2]quit

[r6]display ip interface brief

配置多区域OSPF

[r1]ospf 1  //创建OSPF

[r1-ospf-1]area 0 //创建0 骨干区域

[r1-ospf-1-area-0.0.0.0]network 172.16.12.00.0.0.255  //宣告参与网段

[r1-ospf-1-area-0.0.0.0]network 172.16.13.00.0.0.255

[r1-ospf-1-area-0.0.0.0]quit

[r1-ospf-1]area 1 //创建区域1

[r1-ospf-1-area-0.0.0.1]network172.16.15.0 0.0.0.255

[r2]ospf 1

[r2-ospf-1]area0

[r2-ospf-1-area-0.0.0.0]network172.16.12.0 0.0.0.255

[r2-ospf-1-area-0.0.0.0]network172.16.24.0 0.0.0.255

[r2-ospf-1-area-0.0.0.0]quit

[r2-ospf-1]area 2

[r2-ospf-1-area-0.0.0.2]network172.16.26.0 0.0.0.255

[r3]ospf 1

[r3-ospf-1]area0

[r3-ospf-1-area-0.0.0.0]network172.16.13.0 0.0.0.255

[r3-ospf-1-area-0.0.0.0]network172.16.34.0 0.0.0.255

[r3-ospf-1-area-0.0.0.0]network192.168.30.0 0.0.0.255

[r3-ospf-1-area-0.0.0.0]quit

[r3-ospf-1]area1

[r3-ospf-1-area-0.0.0.1]network172.16.35.0 0.0.0.255

[r4]ospf 1

[r4-ospf-1]area0

[r4-ospf-1-area-0.0.0.0]network172.16.34.0 0.0.0.255

[r4-ospf-1-area-0.0.0.0]network172.16.24.0 0.0.0.255

[r4-ospf-1-area-0.0.0.0]network192.168.40.0 0.0.0.255

[r4-ospf-1-area-0.0.0.0]quit

[r4-ospf-1]area2

[r4-ospf-1-area-0.0.0.2]network172.16.46.0 0.0.0.255

[r5]ospf 1

[r5-ospf-1]area1

[r5-ospf-1-area-0.0.0.1]network172.16.15.0 0.0.0.255

[r5-ospf-1-area-0.0.0.1]network172.16.35.0 0.0.0.255

[r5-ospf-1-area-0.0.0.1]network192.168.50.0 0.0.0.255

[r6]ospf 1

[r6-ospf-1]area2

[r6-ospf-1-area-0.0.0.2]network172.16.26.0 0.0.0.255

[r6-ospf-1-area-0.0.0.2]network172.16.46.0 0.0.0.255

[r6-ospf-1-area-0.0.0.2]network192.168.60.0 0.0.0.255

查看OSPF邻居状态：

[r5]displayospf peer

        OSPF Process 1 with Router ID 172.16.15.5

               Neighbors

Area 0.0.0.1interface 172.16.15.5(GigabitEthernet0/0/0)'s neighbors

Router ID:172.16.12.1      Address:172.16.15.1     

   State:Full  Mode:Nbr is  Slave Priority: 1

   DR:172.16.15.1  BDR: 172.16.15.5  MTU: 0   

   Dead timerdue in 35  sec

   Retranstimer interval: 5

   Neighbor isup for 00:04:28     

  Authentication Sequence: [ 0 ]

               Neighbors

Area 0.0.0.1interface 172.16.35.5(GigabitEthernet0/0/1)'s neighbors

Router ID:172.16.13.3      Address:172.16.35.3     

   State:Full  Mode:Nbr is  Slave Priority: 1

   DR:172.16.35.3  BDR: 172.16.35.5  MTU: 0   

   Dead timerdue in 40  sec

   Retranstimer interval: 5

   Neighbor isup for 00:04:16     

   AuthenticationSequence: [ 0 ]

<r1>displayospf peer

        OSPF Process 1 with Router ID 172.16.12.1

               Neighbors

Area 0.0.0.0interface 172.16.12.1(GigabitEthernet0/0/0)'s neighbors

Router ID:172.16.12.2      Address:172.16.12.2     

   State:Full  Mode:Nbr is  Master Priority: 1

   DR:172.16.12.1  BDR: 172.16.12.2  MTU: 0   

   Dead timerdue in 37  sec

   Retranstimer interval: 5

   Neighbor isup for 00:25:48     

   AuthenticationSequence: [ 0 ]

               Neighbors

Area 0.0.0.0interface 172.16.13.1(GigabitEthernet0/0/1)'s neighbors

Router ID:172.16.13.3      Address:172.16.13.3     

   State:Full  Mode:Nbr is  Master Priority: 1

   DR:172.16.13.1  BDR: 172.16.13.3  MTU: 0   

   Dead timerdue in 32  sec

   Retranstimer interval: 5

   Neighbor isup for 00:23:20     

  Authentication Sequence: [ 0 ]

               Neighbors

Area 0.0.0.1interface 172.16.15.1(GigabitEthernet0/0/2)'s neighbors

Router ID:172.16.15.5      Address:172.16.15.5     

   State:Full  Mode:Nbr is  Master Priority: 1

   DR:172.16.15.1  BDR: 172.16.15.5  MTU: 0   

   Dead timerdue in 31  sec

   Retranstimer interval: 5

   Neighbor isup for 00:19:46     

   AuthenticationSequence: [ 0 ]

<r1>displayip routing-table protocol ospf   //查看路由表中OSPF的条目

RouteFlags: R - relay, D - download to fib

------------------------------------------------------------------------------

Public routing table : OSPF

        Destinations : 9        Routes :11      

OSPF routing table status : <Active>

        Destinations : 9        Routes :11

Destination/Mask   Proto   Pre  Cost     Flags NextHop         Interface

   172.16.24.0/24  OSPF    10  2           D   172.16.12.2     GigabitEthernet

0/0/0

   172.16.26.0/24  OSPF    10  2           D   172.16.12.2     GigabitEthernet

0/0/0

   172.16.34.0/24  OSPF    10  2           D   172.16.13.3     GigabitEthernet

0/0/1

    172.16.35.0/24  OSPF   10   2           D  172.16.15.5     GigabitEthernet

0/0/2

   172.16.46.0/24  OSPF    10  3           D   172.16.13.3     GigabitEthernet

0/0/1

                   OSPF    10   3          D   172.16.12.2     GigabitEthernet

0/0/0

  192.168.30.0/24  OSPF    10  2           D   172.16.13.3     GigabitEthernet

0/0/1

  192.168.40.0/24  OSPF    10  3           D   172.16.13.3     GigabitEthernet

0/0/1

                   OSPF    10   3          D   172.16.12.2     GigabitEthernet

0/0/0

  192.168.50.0/24  OSPF    10  2           D   172.16.15.5     GigabitEthernet

0/0/2

  192.168.60.0/24  OSPF    10  3           D   172.16.12.2     GigabitEthernet

0/0/0

OSPF routing table status : <Inactive>

         Destinations: 0        Routes : 0

<r5>displayospf lsdb  //查看OSPF链路状态数据库信息

        OSPF Process 1 with Router ID 172.16.15.5

               Link State Database

                       Area: 0.0.0.1

Type      LinkState ID    AdvRouter          Age Len   Sequence   Metric

Router    172.16.15.5     172.16.15.5       1437 60    80000008       1

Router    172.16.13.3     172.16.13.3       1488 36    80000005       1

Router    172.16.12.1     172.16.12.1       1503 36    80000005       1

Network   172.16.15.1     172.16.12.1       1503 32    80000002       0

Network   172.16.35.3     172.16.13.3       1488 32    80000002       0

Sum-Net   172.16.26.0     172.16.12.1         30 28    80000002       2

Sum-Net   172.16.26.0     172.16.13.3       1692 28    80000001       3

Sum-Net   172.16.34.0     172.16.12.1       1712 28    80000001       2

Sum-Net   172.16.34.0     172.16.13.3       1692 28    80000001       1

Sum-Net   172.16.13.0     172.16.12.1        357 28    80000002       1

Sum-Net   172.16.13.0     172.16.13.3       1692 28    80000001       1

Sum-Net   172.16.24.0     172.16.13.3       1598 28    80000001       2

Sum-Net   172.16.24.0     172.16.12.1        393 28    80000004       2

Sum-Net   172.16.12.0     172.16.12.1        357 28    80000002       1

Sum-Net   172.16.12.0     172.16.13.3       1692 28    80000001       2

Sum-Net   192.168.60.0    172.16.12.1       1339 28    80000001       3

Sum-Net   192.168.60.0    172.16.13.3       1339 28    80000001       3

Sum-Net   192.168.30.0    172.16.13.3        705 28    80000001       1

Sum-Net   192.168.30.0    172.16.12.1        705 28    80000001       2

Sum-Net   172.16.46.0     172.16.12.1       1575 28    80000001       3

Sum-Net   172.16.46.0     172.16.13.3       1575 28    80000001       2

Sum-Net  192.168.40.0    172.16.13.3        734 28    80000001       2

Sum-Net  192.168.40.0    172.16.12.1        734 28    80000001       3

可以看到，关于其他区域的路由条目都是通过“Sun-Net”这一LSA获得，而这类LSA是不参与本区域的SPF算法运算的。

测试PC互访全通完成。