MGRE与OSPF综合实验

实验要求

1.R6为ISP只能配置IP地址，R1-R5的环回为私有网段
2.R1/R4/R5为全连的MGRE结构，R1/R2/R3为星型的拓扑结构，R1为中心站点
3.所有私有网段可以互相通讯，私有网段使用OSPF完成。

实验步骤

一、IP地址的分配

R1的IP配置

[Huawei]int g 0/0/0
[Huawei-GigabitEthernet0/0/0]ip address 16.0.0.1 24
[Huawei-GigabitEthernet0/0/0]int g 0/0/1
[Huawei-GigabitEthernet0/0/1]ip address 116.0.0.1 24

 

R2的IP配置

[Huawei]int g 0/0/0
[Huawei-GigabitEthernet0/0/0]ip address 26.0.0.1 24

 

R3的IP配置

[Huawei]int g 0/0/0
[Huawei-GigabitEthernet0/0/0]ip address 36.0.0.1 24

 

R4的IP配置

[Huawei]int g 0/0/0
[Huawei-GigabitEthernet0/0/0]ip address 46.0.0.1 24

 

R5的IP配置

[Huawei]int g 0/0/0
[Huawei-GigabitEthernet0/0/0]ip address 56.0.0.1 24

 

R6的IP配置

[Huawei]int g 0/0/0
[Huawei-GigabitEthernet0/0/0]ip address 16.0.0.2 24
Apr 14 2024 18:31:04-08:00 Huawei %%01IFNET/4/LINK_STATE(l)[0]:The line protocol
 IP on the interface GigabitEthernet0/0/0 has entered the UP state. 
[Huawei-GigabitEthernet0/0/0]int g 0/0/1
[Huawei-GigabitEthernet0/0/1]ip address 116.0.0.2 24
Apr 14 2024 18:31:23-08:00 Huawei %%01IFNET/4/LINK_STATE(l)[1]:The line protocol
 IP on the interface GigabitEthernet0/0/1 has entered the UP state. 
[Huawei-GigabitEthernet0/0/1]int g 0/0/2
[Huawei-GigabitEthernet0/0/2]ip address 56.0.0.2 24
[Huawei-GigabitEthernet0/0/2]
Apr 14 2024 18:31:43-08:00 Huawei %%01IFNET/4/LINK_STATE(l)[2]:The line protocol
 IP on the interface GigabitEthernet0/0/2 has entered the UP state. 
[Huawei-GigabitEthernet0/0/2]int g 2/0/0/
                                   ^
Error: Unrecognized command found at '^' position.
[Huawei-GigabitEthernet0/0/2]int g 2/0/0
[Huawei-GigabitEthernet2/0/0]ip address 26.0.0.2 24
[Huawei-GigabitEthernet2/0/0]
Apr 14 2024 18:32:16-08:00 Huawei %%01IFNET/4/LINK_STATE(l)[3]:The line protocol
 IP on the interface GigabitEthernet2/0/0 has entered the UP state. 
[Huawei-GigabitEthernet2/0/0]int g 3/0/0
[Huawei-GigabitEthernet3/0/0]ip address 36.0.0.2 24
Apr 14 2024 18:32:40-08:00 Huawei %%01IFNET/4/LINK_STATE(l)[4]:The line protocol
 IP on the interface GigabitEthernet3/0/0 has entered the UP state. 
[Huawei-GigabitEthernet3/0/0]
[Huawei-GigabitEthernet3/0/0]int g 4/0/0
[Huawei-GigabitEthernet4/0/0]ip address 46.0.0.2 24
[Huawei-GigabitEthernet4/0/0]
Apr 14 2024 18:33:14-08:00 Huawei %%01IFNET/4/LINK_STATE(l)[5]:The line protocol
 IP on the interface GigabitEthernet4/0/0 has entered the UP state. 
[Huawei-GigabitEthernet4/0/0]q
[Huawei]

 

二、缺省路由配置

[r1]ip route-static 0.0.0.0 0 16.0.0.2
[r1]ip route-static 0.0.0.0 0 116.0.0.2
[r2]ip route-static 0.0.0.0 0 26.0.0.2
[r3]ip route-static 0.0.0.0 0 36.0.0.2
[r4]ip route-static 0.0.0.0 0 46.0.0.2
[r5]ip route-static 0.0.0.0 0 56.0.0.2

三、搭建MGRE环境

R1/4/5全连的mgre环境,每个路由器都是中心站点
[r1]int t 0/0/0
[r1-Tunnel0/0/0]ip add 192.168.6.1 24
[r1-Tunnel0/0/0]tunnel-protocol gre p2mp
[r1-Tunnel0/0/0]source 16.0.0.1
[r1-Tunnel0/0/0]nhrp network-id 100
[r1-Tunnel0/0/0]nhrp entry multicast dynamic

[r4]int t 0/0/0
[r4-Tunnel0/0/0]ip add 192.168.6.2 24
[r4-Tunnel0/0/0]tunnel-protocol gre p2mp
[r4-Tunnel0/0/0]nhrp network-id 100
[r4-Tunnel0/0/0]nhrp entry multicast dynamic
[r4-Tunnel0/0/0]source 46.0.0.1

[r5]int t 0/0/0
[r5-Tunnel0/0/0]ip add 192.168.6.3 24
[r5-Tunnel0/0/0]tunnel-protocol gre p2mp
[r5-Tunnel0/0/0]source 56.0.0.1
[r5-Tunnel0/0/0]nhrp network-id 100
[r5-Tunnel0/0/0]nhrp entry multicast dynamic

R1/4/5互相注册
[r1-Tunnel0/0/0]nhrp entry 192.168.6.2 46.0.0.1 register
[r1-Tunnel0/0/0]nhrp entry 192.168.6.3 56.0.0.1 register
[r4-Tunnel0/0/0]nhrp entry 192.168.6.1 16.0.0.1 register
[r4-Tunnel0/0/0]nhrp entry 192.168.6.3 56.0.0.1 register
[r5-Tunnel0/0/0]nhrp entry 192.168.6.1 16.0.0.1 register
[r5-Tunnel0/0/0]nhrp entry 192.168.6.2 46.0.0.2 register

四、R1/R2/R3星型拓扑结构

[r1]int t 0/0/1
[r1-Tunnel0/0/1]ip add 192.168.7.1 24
[r1-Tunnel0/0/1]tunnel-protocol gre p2mp
[r1-Tunnel0/0/1]source 116.0.0.1
[r1-Tunnel0/0/1]nhrp network-id 110
[r1-Tunnel0/0/1]nhrp entry multicast dynamic

[r2]int t 0/0/0
[r2-Tunnel0/0/0]ip add 192.168.7.2 24
[r2-Tunnel0/0/0]tunnel-protocol gre p2mp
[r2-Tunnel0/0/0]source GigabitEthernet 0/0/0
[r2-Tunnel0/0/0]nhrp network-id 110
[r2-Tunnel0/0/0]nhrp entry 192.168.7.1 116.0.0.1 register

[r3]int t 0/0/0
[r3-Tunnel0/0/0]ip add 192.168.7.3 24
[r3-Tunnel0/0/0]tunnel-protocol gre p2mp
[r3-Tunnel0/0/0]source GigabitEthernet 0/0/0
[r3-Tunnel0/0/0]nhrp network-id 110
[r3-Tunnel0/0/0]nhrp entry 192.168.7.1 116.0.0.1 register

五、OSPF配置

[r1]ospf 1 router-id 1.1.1.1
[r1-ospf-1]a
[r1-ospf-1]area 0
[r1-ospf-1-area-0.0.0.0]n
[r1-ospf-1-area-0.0.0.0]ne
[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 192.168.6.0 0.0.0.255
[r1-ospf-1-area-0.0.0.0]network 192.168.7.0 0.0.0.255

[r2]ospf 1 router-id 2.2.2.2
[r2-ospf-1]a
[r2-ospf-1]area 0
[r2-ospf-1-area-0.0.0.0]ne
[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 192.168.7.0 0.0.0.255

[r3]ospf 1 router-id 3.3.3.3
[r3-ospf-1]a
[r3-ospf-1]area 0
[r3-ospf-1-area-0.0.0.0]net
[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 192.168.7.0 0.0.0.255

[r4]ospf 1 router-id 4.4.4.4
[r4-ospf-1]area 0
[r4-ospf-1-area-0.0.0.0]net
[r4-ospf-1-area-0.0.0.0]network 192.168.4.0 0.0.0.255
[r4-ospf-1-area-0.0.0.0]network 192.168.6.0 0.0.0.255

[r5]ospf 1 r
[r5]ospf 1 router-id 5.5.5.5
[r5-ospf-1]a
[r5-ospf-1]area 0
[r5-ospf-1-area-0.0.0.0]net
[r5-ospf-1-area-0.0.0.0]network 192.168.5.0 0.0.0.255
[r5-ospf-1-area-0.0.0.0]network 192.168.6.0 0.0.0.255




修改r1/4/5接口为broadcast口
[r1]int t 0/0/0
[r1-Tunnel0/0/0]os
[r1-Tunnel0/0/0]ospf n
[r1-Tunnel0/0/0]ospf network-type b
[r1-Tunnel0/0/0]ospf network-type broadcast

[r4]int t0/0/0
[r4-Tunnel0/0/0]o
[r4-Tunnel0/0/0]ospf n
[r4-Tunnel0/0/0]ospf network-type b
[r4-Tunnel0/0/0]ospf network-type broadcast

[r5]int t0/0/0
[r5-Tunnel0/0/0]ospf network-type b
[r5-Tunnel0/0/0]ospf network-type broadcast
修改r1/2、3接口为broadcast口
[r1]int t0/0/1
[r1-Tunnel0/0/1]ospf network-type broadcast
[r2]int t0/0/0
[r2-Tunnel0/0/0]ospf network-type broadcast
[r3]int t0/0/0
[r3-Tunnel0/0/0]ospf network-type broadcast





[r1-Tunnel0/0/1]ospf dr-priority 10 //修改优先级

继续重启ospf进程
reset ospf 1 process
Warning: The OSPF process will be reset. Continue? [Y/N]:y
reset ospf 1 process
Warning: The OSPF process will be reset. Continue? [Y/N]:y

 

 

命令测试