HCIP-第五天-OSPF扩展配置实验

目录

一、实验目的

二、实验需求 

三、实验步骤

1.更改设备器名称

2.各个接口配置IP地址

3.构建星型结构MGRE网络

4.构建全连网状MGRE结构

5.缺省路由配置和NAT地址转换

6.OSPF宣告和更改优先级

四、测试

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一、实验目的

通过OSPF路由信息协议（动态路由）配置让如下图所示的拓扑环境达到规定实验要求

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二、实验需求 

1.R4为ISP，所连接的所有物理接口为公有网段，任意制定ip即可

2.R1、R2、R3构建一个星型结构的MGRE结构，其中R1为中心点，假设R1的公有ip为固定地址

3.R1、R5、R6构建另一个全连网状的MGRE网络，其中R1、R5均为中心区域

4.使用OSPF实现整个私有网段的互通，同时所有PC可以正常访问R4的环回

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三、实验步骤

1.更改设备器名称

以R1为例：

[Huawei]sysname r1

[r1]

2.各个接口配置IP地址

1）R1

[R1]interface g0/0/0
[R1-GigabitEthernet0/0/0]ip address 192.168.1.2 24
[R1]interface g0/0/1
[R1-GigabitEthernet0/0/1]ip address 14.1.1.1 24
[R1]interface g0/0/2 
[R1-GigabitEthernet0/0/2]ip address 41.1.1.1 24

2）R2

[R2]interface g0/0/0
[R2-GigabitEthernet0/0/0]ip address 192.168.2.2 24
[R2]interface g0/0/1
[R2-GigabitEthernet0/0/1]ip address 24.1.1.2 24

3）R3

[R3]interface g0/0/1
[R3-GigabitEthernet0/0/1]ip address 192.168.1.
[R3]interface g0/0/0
[R3-GigabitEthernet0/0/0]ip address 192.168.3.2 24

4）R4

[R4]int g0/0/0
[R4-GigabitEthernet0/0/0]ip add 14.1.1.4 24
[R4]int g0/0/1
[R4-GigabitEthernet0/0/1]ip add 41.1.1.4 24
[R4]int g0/0/2
[R4-GigabitEthernet0/0/2]ip add 24.1.1.4 24
[R4]int g4/0/0
[R4-GigabitEthernet4/0/0]ip add 34.1.1.4 24
[R4]int g4/0/1 
[R4-GigabitEthernet4/0/1]ip add 46.1.1.4 24
[R4]int g4/0/2
[R4-GigabitEthernet4/0/2]ip add 45.1.1.4 24
[R4]int LoopBack 0
[R4-LoopBack0]ip add 4.4.4.4 24

5）R5

[R5]int g0/0/1
[R5-GigabitEthernet0/0/1]ip add 45.1.1.5 24
[R5]int g0/0/0
[R5-GigabitEthernet0/0/0]ip add 192.168.4.2 24

 6）R6

[R5]int g0/0/1
[R5-GigabitEthernet0/0/1]ip add 45.1.1.5 24
[R5]int g0/0/0
[R5-GigabitEthernet0/0/0]ip add 192.168.4.2 24

3.构建星型结构MGRE网络

1）R1

[R1]interface Tunnel 0/0/0
[R1-Tunnel0/0/0]ip address 10.1.1.1 24
[R1-Tunnel0/0/0]tunnel-protocol gre p2mp 
[R1-Tunnel0/0/0]source 41.1.1.1 
[R1-Tunnel0/0/0]nhrp entry multicast dynamic 
[R1-Tunnel0/0/0]nhrp network-id 100
[R1-Tunnel0/0/0]ospf network-type broadcast 

2）R2

[R2]int Tunnel 0/0/0
[R2-Tunnel0/0/0]ip address 10.1.1.2 24
[R2-Tunnel0/0/0]tunnel-protocol gre p2mp 
[R2-Tunnel0/0/0]source g0/0/1
[R2-Tunnel0/0/0]nhrp network-id 100
[R2-Tunnel0/0/0]nhrp entry 10.1.1.1 41.1.1.1 register
[R2-Tunnel0/0/0]ospf network-type broadcast  

3）R3

[R3]int Tunnel 0/0/0
[R3-Tunnel0/0/0]ip address 10.1.1.3 24
[R3-Tunnel0/0/0]tunnel-protocol gre p2mp 
[R3-Tunnel0/0/0]source g0/0/1
[R3-Tunnel0/0/0]nhrp entry 10.1.1.1 41.1.1.1 register 
[R3-Tunnel0/0/0]nhrp network-id 100
[R3-Tunnel0/0/0]ospf network-type broadcast 

4.构建全连网状MGRE结构

1）R1

[R1]int t0/0/1
[R1-Tunnel0/0/1]ip address 10.1.2.1 24
[R1-Tunnel0/0/1]tunnel-protocol gre p2mp 
[R1-Tunnel0/0/1]source 14.1.1.1
[R1-Tunnel0/0/1]nhrp entry multicast dynamic 
[R1-Tunnel0/0/1]nhrp network-id 101
[R1-Tunnel0/0/1]ospf network-type broadcast 
[R1-Tunnel0/0/1]nhrp entry 10.1.2.5 45.1.1.5 register 

2）R5

[R5]int t0/0/0
[R5-Tunnel0/0/0]ip add 10.1.2.5 24
[R5-Tunnel0/0/0]tunnel-protocol gre p2mp 
[R5-Tunnel0/0/0]nhrp entry multicast dynamic 
[R5-Tunnel0/0/0]source 45.1.1.5
[R5-Tunnel0/0/0]nhrp network-id 101
[R5-Tunnel0/0/0]ospf network-type broadcast 
[R5-Tunnel0/0/0]nhrp entry 10.1.2.1 14.1.1.1 register

3）R6

[R6]int t0/0/0
[R6-Tunnel0/0/0]ip address 10.1.2.6 24
[R6-Tunnel0/0/0]tunnel-protocol gre p2mp 
[R6-Tunnel0/0/0]source 46.1.1.6
[R6-Tunnel0/0/0]nhrp entry 10.1.2.1 14.1.1.1 register 
[R6-Tunnel0/0/0]nhrp entry 10.1.2.5 45.1.1.5 register 
[R6-Tunnel0/0/0]nhrp network-id 101
[R6-Tunnel0/0/0]ospf network-type broadcast 

5.缺省路由配置和NAT地址转换

R1-R3、R5-R6写一条到公有网段的缺省路由（R1可以写两条），并在各自出口进行nat地址转换

以R1为例

[R1]ip route-static 0.0.0.0 0 41.1.1.4
[R1]ip route-static 0.0.0.0 0 14.1.1.4
[R1]acl 2000
[R1-acl-basic-2000]rule permit source any 
[R1]interface g0/0/1
[R1-GigabitEthernet0/0/1]nat outbound 2000
[R1]acl 2001
[R1-acl-basic-2001]rule permit source any 
[R1]int g0/0/2
[R1-GigabitEthernet0/0/2]nat outbound 2001

6.OSPF宣告和更改优先级

1）R1

[R1]ospf 1 router-id 1.1.1.1
[R1-ospf-1]area 0
[R1-ospf-1-area-0.0.0.0]network 192.168.1.0 0.0.0.255
[R1-ospf-1-area-0.0.0.0]network 10.1.1.0 0.0.0.255
[R1-ospf-1-area-0.0.0.0]network 10.1.2.0 0.0.0.255  
<R1>reset ospf process
Warning: The OSPF process will be reset. Continue? [Y/N]:y

2）R2

[R2]ospf 1 router-id 2.2.2.2
[R2-ospf-1]area 0
[R2-ospf-1-area-0.0.0.0]network 192.168.2.0 0.0.0.255
[R2-ospf-1-area-0.0.0.0]network 10.1.1.0 0.0.0.255
[R2]int g0/0/1
[R2-GigabitEthernet0/0/1]ospf dr-priority 0
<R2>reset ospf process
Warning: The OSPF process will be reset. Continue? [Y/N]:y

3）R3

[R3]ospf 1 router-id 3.3.3.3
[R3-ospf-1]area 0
[R3-ospf-1-area-0.0.0.0]network 192.168.3.0 0.0.0.255
[R3-ospf-1-area-0.0.0.0]network 10.1.1.0 0.0.0.255
[R3]int g0/0/1
[R3-GigabitEthernet0/0/1]ospf dr-priority 0
<R3>reset ospf process
Warning: The OSPF process will be reset. Continue? [Y/N]:y

4）R5

[R5]ospf 1 router-id 5.5.5.5
[R5-ospf-1]area 0
[R5-ospf-1-area-0.0.0.0]network 10.1.2.0 0.0.0.255 
[R5-ospf-1-area-0.0.0.0]network 192.168.4.0 0.0.0.255 
[R5]int g0/0/1
[R5-GigabitEthernet0/0/1]ospf dr-priority 0
<R5>reset ospf process
Warning: The OSPF process will be reset. Continue? [Y/N]:y

5）R6

[R6]ospf 1 router-id 6.6.6.6
[R6]area 0.0.0.0 
[R6-ospf-1-area-0.0.0.0]network 10.1.2.0 0.0.0.255 
[R6-ospf-1-area-0.0.0.0]network 192.168.5.0 0.0.0.255 
[R6]int g0/0/1
[R6-GigabitEthernet0/0/1]ospf dr-priority 0
<R6>reset ospf process
Warning: The OSPF process will be reset. Continue? [Y/N]:y

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四、测试

 终上所述：该实验的所有要求已经达成 ，实验成功。