OSPF综合实验

最新推荐文章于 2025-12-01 13:09:51 发布

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#华为 #网络 #智能路由器

1、实验要求

1，R4为ISP，其上只能配置IP地址；R4与其他所有直连设备间均使用公有IP

2，R3-R5/6/7为MGRE环境，R3为中心站点；

3，整个OSPF环境IP基于172.16.0.0/16划分；

4，所有设备均可访问R4的环回；

5，减少LSA的更新量，加快收敛，保障更新安全；

6，全网可达
在这里插入图片描述

2.配置IP

在这里插入图片描述

（1）area 0

ISP

ISP配置
[Huawei]sys isp
[isp]int s 4/0/0
[isp-Serial4/0/0]ip address 34.0.0.2 24
[isp-Serial4/0/0]int s 4/0/1
[isp-Serial4/0/1]ip address 45.0.0.2 24
[isp-Serial4/0/1]int s 3/0/0
[isp-Serial3/0/0]ip address 46.0.0.2 24
[isp-Serial3/0/0]int g 0/0/0
[isp-GigabitEthernet0/0/0]ip address 47.0.0.2 24
[isp]int LoopBack 0	
[isp-LoopBack0]ip address 4.4.4.4 24

[Huawei]sys r3
[r3]int s 4/0/0
[r3-Serial4/0/0]ip address 34.0.0.1 24
[r3-Serial4/0/0]q
[r3]ip route-static 0.0.0.0 0 34.0.0.2

[Huawei]sys r5
[r5]int s 4/0/0
[r5-Serial4/0/0]ip address 45.0.0.1 24
[r5-Serial4/0/0]int l 0
[r5-LoopBack0]ip address 172.16.2.1 24
[r5]ip route-static 0.0.0.0 0 45.0.0.2

[Huawei]sys r6
[r6]int s 4/0/0
[r6-Serial4/0/0]ip address 46.0.0.1 24
[r6-Serial4/0/0]int l 0
[r6-LoopBack0]ip address 172.16.3.1 24
[r6]ip route-static 0.0.0.0 0 46.0.0.2

[Huawei]sys r7
[r7]int g 0/0/0
[r7-GigabitEthernet0/0/0]ip address 47.0.0.1 24
[r7-GigabitEthernet0/0/0]int l 0
[r7-LoopBack0]ip address 172.16.4.1 24 
[r7]ip route-static 0.0.0.0 0 47.0.0.2

(2) area 1

[Huawei]sys r1
[r1]int g 0/0/0
[r1-GigabitEthernet0/0/0]ip address 172.168.33.1 24
[r1-GigabitEthernet0/0/0]int l 0
[r1-LoopBack0]ip address 172.16.34.1 24

[Huawei]sys r2
[r2]int g 0/0/0
[r2-GigabitEthernet0/0/0]ip address 172.16.33.2 24
[r2]int l 0
[r2-LoopBack0]ip address 172.16.35.1 24

[r3]int g 0/0/0
[r3-GigabitEthernet0/0/0]ip address 172.16.33.3 24 
[r3-GigabitEthernet0/0/0]int l 0
[r3-LoopBack0]ip address 172.16.36.1 24

（3）area 2

[r6]int g 0/0/0
[r6-GigabitEthernet0/0/0]ip address 172.16.65.1 24

R11

[Huawei]sys r11
[r11]int g 0/0/0
[r11-GigabitEthernet0/0/0]ip address 172.16.65.2 24
[r11-GigabitEthernet0/0/0]int g 0/0/1
[r11-GigabitEthernet0/0/1]ip address 172.16.66.1 24
[r11-GigabitEthernet0/0/1]int l 0
[r11-LoopBack0]ip address 172.16.67.1 24

R12

[Huawei]sys r12
[r12]int g 0/0/0
[r12-GigabitEthernet0/0/0]ip address 172.16.66.2 24
[r12-GigabitEthernet0/0/0]int l 0
[r12-LoopBack0]ip address 172.16.160.1 20
[r12-LoopBack0]int l 1
[r12-LoopBack1]ip address 172.16.176.1 20

（4）area 3

[r7]int g 0/0/1
[r7-GigabitEthernet0/0/1]ip address 172.16.97.1 24

[Huawei]sys r8
[r8]int g 0/0/0
[r8-GigabitEthernet0/0/0]ip address 172.16.97.2 24
[r8-GigabitEthernet0/0/0]int g 0/0/1
[r8-GigabitEthernet0/0/1]ip address 172.16.98.1 24 
[r8-GigabitEthernet0/0/1]int l 0
[r8-LoopBack0]ip address 172.16.99.1 24

[Huawei]sys r9
[r9]int g 0/0/0
[r9-GigabitEthernet0/0/0]ip address 172.16.98.2 24

（5）area 4

[r9-GigabitEthernet0/0/0]int g 0/0/1
[r9-GigabitEthernet0/0/1]ip address 172.16.129.1 24 
[r9-GigabitEthernet0/0/1]int l 0

R10

[Huawei]sys r10
[r10]int g 0/0/0
[r10-GigabitEthernet0/0/0]ip address 172.16.129.2 24
[r10-GigabitEthernet0/0/0]int l 0

搭建R3-R5-R6-R7MGRE环境

[r3]int t 0/0/0
[r3-Tunnel0/0/0]ip address 172.16.1.1 24	
[r3-Tunnel0/0/0]tunnel-protocol gre p2mp 
[r3-Tunnel0/0/0]source  34.0.0.1
[r3-Tunnel0/0/0]nhrp network-id 100
[r3-Tunnel0/0/0]nhrp entry multicast dynamic 

[r5]int tun 0/0/0
[r5-Tunnel0/0/0]ip address 172.16.1.2 24
[r5-Tunnel0/0/0]tunnel-protocol gre p2mp 
[r5-Tunnel0/0/0]source Serial 4/0/0
[r5-Tunnel0/0/0]nhrp network-id 100
[r5-Tunnel0/0/0]nhrp entry 172.16.1.1 34.0.0.1 register 

[r6]int t 0/0/0
[r6-Tunnel0/0/0]ip address 172.16.1.3 24
[r6-Tunnel0/0/0]tunnel-protocol gre p2mp 
[r6-Tunnel0/0/0]source Serial 4/0/0
[r6-Tunnel0/0/0]nhrp network-id 100
[r6-Tunnel0/0/0]nhrp entry 172.16.1.1 34.0.0.1 register

改变tunnel接口类型

[r3]int Tunnel 0/0/0
[r3-Tunnel0/0/0]ospf network-type p2mp

[r5]int tunnel 0/0/0
[r5-Tunnel0/0/0]ospf network-type p2mp

[r6]int t 0/0/0
[r6-Tunnel0/0/0]ospf network-type p2mp

[r7]int t 0/0/0
[r7-Tunnel0/0/0]ospf network-type p2mp

启动OSPF服务

[r1]ospf 1 router-id 1.1.1.1
[r1-ospf-1]area 1
[r1-ospf-1-area-0.0.0.1]network 172.16.0.0 0.0.255.255

[r2]ospf 1 router-id 2.2.2.2 
[r2-ospf-1]area 1
[r2-ospf-1-area-0.0.0.1]network 172.16.0.0 0.0.255.255

[r3]ospf 1 r	
[r3]ospf 1 router-id 3.3.3.3
[r3-ospf-1]area 0
[r3-ospf-1-area-0.0.0.0]network  172.16.1.1 0.0.0.0
[r3-ospf-1-area-0.0.0.0]q
[r3-ospf-1]area 1
[r3-ospf-1-area-0.0.0.1]network 172.16.32.0 0.0.7.255

[r5]ospf 1 router-id 5.5.5.5
[r5-ospf-1]area 0
[r5-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.255.255

[r6]ospf 1 router-id 6.6.6.6
[r6-ospf-1]area 0
[r6-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.3.255
[r6-ospf-1-area-0.0.0.0]area 2
[r6-ospf-1-area-0.0.0.2]network 172.16.65.1 0.0.0.0

[r7]ospf 1 router-id 7.7.7.7
[r7-ospf-1]area 0
[r7-ospf-1-area-0.0.0.0]network 172.16.0.0 0.0.7.255
[r7-ospf-1-area-0.0.0.0]area 3
[r7-ospf-1-area-0.0.0.3]network 172.16.97.1 0.0.0.0

[r8]ospf 1 router-id 8.8.8.8
[r8-ospf-1]area 3
[r8-ospf-1-area-0.0.0.3]network 172.16.0.0 0.0.255.255

[r9]ospf 1 router-id 9.9.9.9
[r9-ospf-1]area 3
[r9-ospf-1-area-0.0.0.3]network 172.16.98.2 0.0.0.0
[r9-ospf-1-area-0.0.0.3]area 4
[r9-ospf-1-area-0.0.0.4]network 172.16.128.0 0.0.3.255

[r10]ospf 1 router-id 10.10.10.10
[r10-ospf-1]area 4	
[r10-ospf-1-area-0.0.0.4]network 172.16.0.0 0.0.255.255

[r11]ospf 1 router-id 11.11.11.11
[r11-ospf-1]area 2	
[r11-ospf-1-area-0.0.0.2]network 172.16.0.0 0.0.255.255

[r12]ospf 1 router-id 12.12.12.12
[r12-ospf-1]area 2
[r12-ospf-1-area-0.0.0.2]network 172.16.66.2 0.0.0.0
[r12]rip 1
[r12-rip-1]v 2	
[r12-rip-1]network 172.16.0.0

在R12进行重发布，使其访问域外路由

[r12]ospf 1	
[r12-ospf-1]import-route rip 1

进行域间域外汇总

[r3]ospf 1
[r3-ospf-1]area 1
[r3-ospf-1-area-0.0.0.1]abr-summary 172.16.32.0 255.255.224.0

[r6]ospf 1
[r6-ospf-1]area 2
[r6-ospf-1-area-0.0.0.2]abr-summary 172.16.64.0 255.255.224.0

[r7]ospf 1
[r7-ospf-1]area 3
[r7-ospf-1-area-0.0.0.3]abr-summary 172.16.96.0 255.255.224.0

[r9]ospf 1
[r9-ospf-1]asbr-summary 172.16.128.0 255.255.224.0

[r12]ospf 1	
[r12-ospf-1]asbr-summary 172.16.160.0 255.255.224.0

做特殊区域

area 1

[r1]ospf 1
[r1-ospf-1]area 1
[r1-ospf-1-area-0.0.0.1]stub
[r2]ospf 1
[r2-ospf-1]area 1
[r2-ospf-1-area-0.0.0.1]stub
[r3]ospf 1
[r3-ospf-1]area 1
[r3-ospf-1-area-0.0.0.1]stub no-summary

area 2

[r6]ospf 1
[r6-ospf-1]area 2
[r6-ospf-1-area-0.0.0.2]nssa no-summary
[r11]ospf 1
[r11-ospf-1]area 2
[r11-ospf-1-area-0.0.0.2]nssa
[r12]ospf 1
[r12-ospf-1]area 2
[r12-ospf-1-area-0.0.0.2]nssa

area 3

[r7]ospf 1
[r7-ospf-1]area 3
[r7-ospf-1-area-0.0.0.3]nssa no-summary
[r8]ospf 1
[r8-ospf-1]area 3	
[r8-ospf-1-area-0.0.0.3]nssa 
[r9]ospf 1
[r9-ospf-1]area 3
[r9-ospf-1-area-0.0.0.3]nssa

汇总后配置空接口

[r3]ip route-static 172.16.32.0 19 NULL 0
[r6]ip route-static 172.16.64.0 19 NULL 0
[r7]ip route-static 172.16.96.0 19 NULL 0
[r9]ip route-static 172.16.128.0 19 NULL 0
[r12]ip route-static 172.16.160.0 19 NULL 0

配置nat使公网全通

[r3]acl 2000
[r3-acl-basic-2000]rule permit source 172.16.0.0 0.0.255.255
[r3-acl-basic-2000]q
[r3]int s 4/0/0
[r3-Serial4/0/0]nat out	
[r3-Serial4/0/0]nat outbound 2000
 
[r5]acl 2000
[r5-acl-basic-2000]rul	
[r5-acl-basic-2000]rule permit source 172.16.0.0 0.0.255.255
[r5-acl-basic-2000]int s 4/0/0
[r5-Serial4/0/0]nat outbound 2000
 
[r6]acl 2000		
[r6-acl-basic-2000]rule permit source 172.16.0.0 0.0.255.255
[r6-acl-basic-2000]q
[r6]int s 4/0/0	
[r6-Serial4/0/0]nat outbound 2000
 
[r7]acl 2000
[r7-acl-basic-2000]rule permit source 172.16.0.0 0.0.255.255
[r7-acl-basic-2000]q
[r7]int g 0/0/0
[r7-GigabitEthernet0/0/0]nat o	
[r7-GigabitEthernet0/0/0]nat outbound 2000

改变hello time/dead time加快收敛

[r3]int t 0/0/0	
[r3-Tunnel0/0/0]ospf timer hello 10
 
[r5]int t 0/0/0
[r5-Tunnel0/0/0]ospf timer hello 10
 
[r6]int t 0/0/0
[r6-Tunnel0/0/0]ospf timer hello 10
 
[r7]int t 0/0/0
[r7-Tunnel0/0/0]ospf timer hello 10