HCIP（OSPF综合实验）_hcip ospf实验

一、网络拓扑

二、要求

1、R4为ISP，其上只能配置IP地址，R4与其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R4的环回
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

三、配置

1、规划IP，所有的设备配置IP及环回地址

[R1]int g0/0/0
[R1-GigabitEthernet0/0/0]ip address  172.16.33.1 29
[R1-GigabitEthernet0/0/0]int l0
[R1-LoopBack0]ip address 172.16.34.1 24

[R2]int g0/0/0
[R2-GigabitEthernet0/0/0]ip address 172.16.33.2 29
[R2-GigabitEthernet0/0/0]int l0
[R2-LoopBack0]ip address 172.16.35.1 24

[R3]int s4/0/0
[R3-Serial4/0/0]ip address 34.0.0.1 24
[R3]int g0/0/0
[R3-GigabitEthernet0/0/0]ip address 172.16.33.3 29 
[R3-GigabitEthernet0/0/0]int l0
[R3-LoopBack0]ip address 172.16.36.1 24

[ISP]int s3/0/0    
[ISP-Serial3/0/0]ip address 34.0.0.2 24
[ISP-Serial3/0/0]int s3/0/1            
[ISP-Serial3/0/1]ip address 45.0.0.2 24
[ISP-Serial3/0/1]int s4/0/0
[ISP-Serial4/0/0]ip address 46.0.0.2 24
[ISP]int l0
[ISP-LoopBack0]ip address 4.4.4.4 24
[ISP]int g0/0/0
[ISP-GigabitEthernet0/0/0]ip address 47.0.0.2 24

[R5]int s4/0/0
[R5-Serial4/0/0]ip address 45.0.0.1 24
[R5-Serial4/0/0]int l0
[R5-LoopBack0]ip address 172.16.2.1 24


[R6]int g0/0/0
[R6-GigabitEthernet0/0/0]ip address 172.16.65.1 29
[R6]int s4/0/0
[R6-Serial4/0/0]ip address 46.0.0.1 24
[R6-Serial4/0/0]int l0
[R6-LoopBack0]ip address 172.16.3.1 24

[R7]int g0/0/0
[R7-GigabitEthernet0/0/0]ip address 47.0.0.1 24
[R7-GigabitEthernet0/0/0]int l0
[R7-LoopBack0]ip address 172.16.4.1 24
[R7]int g0/0/1
[R7-GigabitEthernet0/0/1]ip address 172.16.97.1 29

[R8]int g0/0/0
[R8-GigabitEthernet0/0/0]ip address 172.16.97.2 29
[R8-GigabitEthernet0/0/0]int g0/0/01
[R8-GigabitEthernet0/0/1]ip address 172.16.97.9 29
[R8-GigabitEthernet0/0/1]int l0
[R8-LoopBack0]ip address 172.16.98.1 24

[R9]int g0/0/0
[R9-GigabitEthernet0/0/0]ip address 172.16.97.10 29
[R9]int g0/0/1
[R9-GigabitEthernet0/0/1]ip address 172.16.129.1 29
[R9-GigabitEthernet0/0/1]int l0
[R9-LoopBack0]ip address 172.16.130.1 24

[R10]int g0/0/0
[R10-GigabitEthernet0/0/0]ip address 172.16.129.2 29
[R10-GigabitEthernet0/0/0]int l0
[R10-LoopBack0]ip address 172.16.131.1 24

[R11]int g0/0/0
[R11-GigabitEthernet0/0/0]ip address  172.16.65.2 29
[R11-GigabitEthernet0/0/0]int g0/0/1
[R11-GigabitEthernet0/0/1]ip address 172.16.65.9 29
[R11-GigabitEthernet0/0/1]int l0
[R11-LoopBack0]ip address 172.16.66.1 24

[R12]int g0/0/0
[R12-GigabitEthernet0/0/0]ip address 172.16.65.10 29
[R12-GigabitEthernet0/0/0]int l0
[R12-LoopBack0]ip address 172.16.160.1 20
[R12-LoopBack0]int l1
[R12-LoopBack1]ip address 172.16.176.1 20
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2、配置R3、R5、R6、R7指向公网的缺省路由

[R3]ip route-static 0.0.0.0 0 34.0.0.2

[R5]ip route-static 0.0.0.0 0 45.0.0.2

[R6]ip route-static 0.0.0.0 0 46.0.0.2

[R7]ip route-static 0.0.0.0 0 47.0.0.2
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3、配置MGRE

[R3]int t0/0/0
[R3-Tunnel0/0/0]ip address 172.16.1.1 29
[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 t0/0/0
[R5-Tunnel0/0/0]ip address 172.16.1.2 29
[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 t0/0/0
[R6-Tunnel0/0/0]ip address 172.16.1.3 29
[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 

[R7]int t0/0/0
[R7-Tunnel0/0/0]ip address 172.16.1.4 29
[R7-Tunnel0/0/0]tunnel-protocol gre p2mp 
[R7-Tunnel0/0/0]source GigabitEthernet 0/0/0
[R7-Tunnel0/0/0]nhrp network-id 100
[R7-Tunnel0/0/0]nhrp entry 172.16.1.1 34.0.0.1 register 
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4、启动OSPF协议及RIP协议，并宣告网段

[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 router-id 3.3.3.3
[R3-ospf-1]area 1 
[R3-ospf-1-area-0.0.0.1]network 172.16.32.0 0.0.7.255    
[R3-ospf-1]area 0
[R3-ospf-1-area-0.0.0.0]network 172.16.1.1 0.0.0.0

[R5]ospf 1 router-id 5.5.5.5
[R5-ospf-1]a 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]a 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 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 172.16.97.10 0.0.0.0
[R9]ospf 2 router-id 9.9.9.9
[R9-ospf-2]a 4
[R9-ospf-2-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 172.16.65.10 0.0.0.0

[R12]rip
[R12-rip-1]version 2
[R12-rip-1]network 172.16.0.0
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5、修改R3、R5、R6、R7的接口网络类型为P2MP

[R3]int t0/0/0
[R3-Tunnel0/0/0]ospf network-type p2mp

[R5]int t0/0/0
[R5-Tunnel0/0/0]ospf network-type p2mp

[R6]int t0/0/0
[R6-Tunnel0/0/0]ospf network-type p2mp

[R7]int t0/0/0
[R7-Tunnel0/0/0]ospf network-type p2mp
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6、在R9、R12上配置多进程双向重发布

[R9]ospf 1
[R9-ospf-1]import-route ospf 2

[R12]ospf
[R12-ospf-1]import-route rip 
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7、通过汇总减少LSA的更新量

[R3]ospf 
[R3-ospf-1]a 1
[R3-ospf-1-area-0.0.0.1]abr-summary 172.16.32.0 255.255.224.0

[R6]ospf
[R6-ospf-1]a 2
[R6-ospf-1-area-0.0.0.2]abr-summary 172.16.64.0 255.255.224.0

[R7]ospf 
[R7-ospf-1]a 3
[R7-ospf-1-area-0.0.0.3]abr-summary  172.16.96.0 255.255.224.0

[R9]ospf
[R9-ospf-1]asbr-summary 172.16.128.0 255.255.224.0

[R12]ospf
[R12-ospf-1]asbr-summary 172.16.160.0 255.255.224.0
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8、配置特殊区域减少LSA更新量

[R1]ospf
[R1-ospf-1]a 1
[R1-ospf-1-area-0.0.0.1]stub 

[R2]ospf 
[R2-ospf-1]a 1
[R2-ospf-1-area-0.0.0.1]stub

[R3]ospf
[R3-ospf-1]a 1
[R3-ospf-1-area-0.0.0.1]stub 
[R3-ospf-1-area-0.0.0.1]stub no-summary 

[R6]ospf
[R6-ospf-1]a 2
[R6-ospf-1-area-0.0.0.2]nssa  no-summary

[R11]ospf
[R11-ospf-1]a 2
[R11-ospf-1-area-0.0.0.2]nssa 

[R12]ospf
[R12-ospf-1]a 2
[R12-ospf-1-area-0.0.0.2]nssa 

[R7]ospf
[R7-ospf-1]a 3
[R7-ospf-1-area-0.0.0.3]nssa no-summary 

[R8]ospf 
[R8-ospf-1]a 3
[R8-ospf-1-area-0.0.0.3]nssa 

[R9]ospf
[R9-ospf-1]a 3
[R9-ospf-1-area-0.0.0.3]nssa
[R9]ospf 2
[R9-ospf-2]default-route-advertise
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9、在R3、R5、R6、R7上配置地址转换

[R3]acl 2000
[R3-acl-basic-2000]rule  permit  source 172.16.0.0 0.0.255.255
[R3]int s 4/0/0 
[R3-Serial4/0/0]nat  outbound 2000

[R5]acl 2000
[R5-acl-basic-2000]rule permit source 172.16.0.0 0.0.255.255
[R5]int Serial 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]int s4/0/0 
[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]int g0/0/0
[R7-GigabitEthernet0/0/0]nat outbound 2000
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四、测试

1、R1访问R4的环回

2、R10访问R4的环回

3、R12访问R4的环回

4、R1的LSDB

5、R5的LSDB