MGRE（OSPF）综合实验作业

企业开发 2023-09-16 23:30:17 阅读次数: 0

实验要求 

1、R4为ISP，所连接的所有物理接口为公有网段，任意指定ip即可
2、R1-2-3构建-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、R1-4-5 构建另一个全连网状的MGRE网络，其中R1/5均为中心区域;
4、使用OSPF实现整个私有网络的互通，同时所有pc可以正常访问R6的环回

第一步：IP地址规划

PC地址：

设备 网关 网址
PC1 192.168.1.1 24 192.168.1.2 24
PC2 192.168.2.1 24

192.168.2.1 24
PC3 192.168.3.1 24 192.168.3.2 24
PC4 192.168.4.1 24 192.168.4.2 24
PC5 192.168.5.1 24 192.168.5.2 24

设备地址：

设备 接口 地址
R1 g0/0/0 192.168.1.1 24
g0/0/1 16.1.1.1 24
g0/0/2 61.1.1.1 24
R2 g0/0/0 192.168.2.1 24
g0/0/1 26.1.1.2 24
R3 g0/0/0 192.168.2.1 24
g0/0/1 

36.1.1.3 24
R4 g0/0/0 162.168.4.1 24
g0/0/1 46.1.1.4 24
R5 g0/0/0 192.168.5.1 24
g0/0/1 56.1.1.5 24
R6 g0/0/0 16.1.1.6 24
g2/0/0 61.1.1.6 24
g0/0/1 26.1.1.6 24
g0/0/2 36.1.1.6 24
g3/0/0 56.1.1.6 24
g4/0/0 46.1.1.6 24

第二步：配置配IP地址

R1配置

Interface                         IP Address/Mask      Physical   Protocol  
GigabitEthernet0/0/0              192.168.1.1/24       up         up        
GigabitEthernet0/0/1              16.1.1.1/24          up         up        
GigabitEthernet0/0/2              61.1.1.6/24          up         up        
NULL0                             unassigned           up         up(s)

R2配置

Interface                         IP Address/Mask      Physical   Protocol  
GigabitEthernet0/0/0              192.168.2.1/24       up         up        
GigabitEthernet0/0/1              26.1.1.2/24          up         up        
GigabitEthernet0/0/2              unassigned           down       down      
NULL0                             unassigned           up         up(s)

R3配置

Interface                         IP Address/Mask      Physical   Protocol  
GigabitEthernet0/0/0              192.168.3.1/24       up         up        
GigabitEthernet0/0/1              36.1.1.3/24          up         up        
GigabitEthernet0/0/2              unassigned           down       down      
NULL0                             unassigned           up         up(s)

R4配置

Interface                         IP Address/Mask      Physical   Protocol  
GigabitEthernet0/0/0              192.168.4.1/24       up         up        
GigabitEthernet0/0/1              46.1.1.4/24          up         up        
GigabitEthernet0/0/2              unassigned           down       down      
NULL0                             unassigned           up         up(s)

R5配置

Interface                         IP Address/Mask      Physical   Protocol  
GigabitEthernet0/0/0              192.168.5.1/24       up         up        
GigabitEthernet0/0/1              56.1.1.5/24          up         up        
GigabitEthernet0/0/2              unassigned           down       down      
NULL0                             unassigned           up         up(s)

R6配置

Interface                         IP Address/Mask      Physical   Protocol  
GigabitEthernet0/0/0              16.1.1.6/24          up         up        
GigabitEthernet0/0/1              26.1.1.6/24          up         up        
GigabitEthernet0/0/2              36.1.1.6/24          up         up        
GigabitEthernet2/0/0              61.1.1.6/24          up         up        
GigabitEthernet3/0/0              56.1.1.6/24          up         up        
GigabitEthernet4/0/0              46.1.1.6/24          up         up        
LoopBack0                         6.6.6.6/24           up         up(s)     
NULL0                             unassigned           up         up(s)

第三步：配置缺省路由

[R1]ip route-static 0.0.0.0 0 16.1.1.6
[R2]ip route-static 0.0.0.0 0 26.1.1.6
[R3]ip route-static 0.0.0.0 0 36.1.1.6
[R4]ip route-static 0.0.0.0 0 46.1.1.6
[R5]ip route-static 0.0.0.0 0 56.1.1.6

第四步：NAT

R1配置

[R1]acl 2000
[R1-acl-basic-2000]rule 1 permit source any 
[R1]int g 0/0/1 
[R1-GigabitEthernet0/0/1]nat outbound 2000

R2配置

[R2]acl 2000
[R2-acl-basic-2000]rule 1 permit source any 
[R2]int g 0/0/1
[R2-GigabitEthernet0/0/1]nat outbound 2000

R3配置

[R3]acl 2000
[R3-acl-basic-2000]rule 1 permit source any 
[R3]int g 0/0/1
[R3-GigabitEthernet0/0/1]nat  outbound 2000

R4配置

[R4]acl 2000
[R4-acl-basic-2000]rule 1 permit source any 
[R4]int g 0/0/1
[R4-GigabitEthernet0/0/1]nat  outbound 2000

R5配置

[R5]acl 2000
[R5-acl-basic-2000]rule 1 permit source any 
[R5]int g 0/0/1
[R5-GigabitEthernet0/0/1]nat  outbound 2000

测试

PC>ping 6.6.6.6

Ping 6.6.6.6: 32 data bytes, Press Ctrl_C to break
Request timeout!
From 6.6.6.6: bytes=32 seq=2 ttl=254 time=46 ms
From 6.6.6.6: bytes=32 seq=3 ttl=254 time=16 ms
From 6.6.6.6: bytes=32 seq=4 ttl=254 time=16 ms
From 6.6.6.6: bytes=32 seq=5 ttl=254 time=15 ms

--- 6.6.6.6 ping statistics ---
  5 packet(s) transmitted
  4 packet(s) received
  20.00% packet loss
  round-trip min/avg/max = 0/23/46 ms

PC1可以和公网通讯

第五步：R1-2-3构建一个星型结构的MGRE结构

R1配置

[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 61.1.1.1
[R1-Tunnel0/0/0]nhrp network-id 100

R2配置

[R2]interface 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 entry 10.1.1.1 61.1.1.1 register 
[R2-Tunnel0/0/0]nhrp network-id 100

R3配置

[R3]interface 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 61.1.1.1 register 
[R3-Tunnel0/0/0]nhrp network-id 100

第六步：R1-4-5 构建另一个全连网状的MGRE网络

R1配置

[R1]interface Tunnel 0/0/1
[R1-Tunnel0/0/1]ip address 20.1.1.1 24
[R1-Tunnel0/0/1]tunnel-protocol gre p2mp 
[R1-Tunnel0/0/1]source 16.1.1.1
[R1-Tunnel0/0/1]nhrp network-id 101
[R1-Tunnel0/0/1]nhrp entry 20.1.1.2 46.1.1.4 register 
[R1-Tunnel0/0/1]nhrp entry 20.1.1.3 56.1.1.5 register

R4配置

[R4]interface Tunnel 0/0/1
[R4-Tunnel0/0/1]ip address 20.1.1.2 24
[R4-Tunnel0/0/1]tunnel-protocol gre p2mp 
[R4-Tunnel0/0/1]source 46.1.1.4
[R4-Tunnel0/0/1]nhrp network-id 101
[R4-Tunnel0/0/1]nhrp entry 20.1.1.1 16.1.1.1 register 
[R4-Tunnel0/0/1]nhrp entry 20.1.1.3 56.1.1.5 register

R5配置

[R5]interface Tunnel 0/0/1
[R5-Tunnel0/0/1]ip address 20.1.1.3 24
[R5-Tunnel0/0/1]tunnel-protocol gre p2mp 
[R5-Tunnel0/0/1]source 56.1.1.5
[R5-Tunnel0/0/1]nhrp network-id 101
[R5-Tunnel0/0/1]nhrp entry 20.1.1.1 16.1.1.1 register 
[R5-Tunnel0/0/1]nhrp entry 20.1.1.2 46.1.1.4 register

第七步：书写OSPF

R1配置

[R1]ospf 1 router-id 1.1.1.1
[R1-ospf-1]ar	
[R1-ospf-1]area 0
[R1-ospf-1-area-0.0.0.0]net	
[R1-ospf-1-area-0.0.0.0]network 20.1.1.0 0.0.0.255
[R1-ospf-1-area-0.0.0.0]net	
[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]ne	
[R1-ospf-1-area-0.0.0.0]network 192.168.1.0 0.0.0.255

R2配置

[R2]ospf 1 router-id 2.2.2.2
[R2-ospf-1]ar	
[R2-ospf-1]area 0
[R2-ospf-1-area-0.0.0.0]ne	
[R2-ospf-1-area-0.0.0.0]network 10.1.1.0 0.0.0.255
[R2-ospf-1-area-0.0.0.0]net	
[R2-ospf-1-area-0.0.0.0]network 192.168.2.0 0.0.0.255

R3配置

[R3]ospf 1 router-id 3.3.3.3
[R3-ospf-1]ar	
[R3-ospf-1]area 0
[R3-ospf-1-area-0.0.0.0]ne	
[R3-ospf-1-area-0.0.0.0]network 10.1.1.0 0.0.0.255
[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

R4配置

[R4]ospf 1 router-id 4.4.4.4
[R4-ospf-1]ar	
[R4-ospf-1]area 0
[R4-ospf-1-area-0.0.0.0]net	
[R4-ospf-1-area-0.0.0.0]network 20.1.1.0 0.0.0.255
[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

R5配置

[R5]ospf 1 router-id 5.5.5.5
[R5-ospf-1]ar	
[R5-ospf-1]area 0
[R5-ospf-1-area-0.0.0.0]net	
[R5-ospf-1-area-0.0.0.0]network 20.1.1.0 0.0.0.255
[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

第七步：将p2p修改为bordcast

R1配置

[R1]interface Tunnel 0/0/0
[R1-Tunnel0/0/0]ospf network-type broadcast 
[R1]interface Tunnel 0/0/1
[R1-Tunnel0/0/1]ospf network-type broadcast

R2配置

[R2]interface Tunnel 0/0/0
[R2-Tunnel0/0/0]ospf network-type broadcast

R3配置

[R3]interface Tunnel 0/0/0
[R3-Tunnel0/0/0]ospf network-type broadcast

R4配置

[R4]interface Tunnel 0/0/1
[R4-Tunnel0/0/1]ospf network-type broadcast

R5配置

[R5]interface Tunnel 0/0/1
[R5-Tunnel0/0/1]ospf network-type broadcast

 第八步：开启伪广播

R1配置

[R1]interface Tunnel 0/0/0
[R1-Tunnel0/0/0]nhrp entry multicast dynamic 
[R1-Tunnel0/0/0]q
[R1]interface Tunnel 0/0/1
[R1-Tunnel0/0/1]nhrp entry multicast dynamic

R4配置

[R4]interface Tunnel 0/0/1
[R4-Tunnel0/0/1]nhrp entry multicast dynamic

R5配置

[R5]interface Tunnel 0/0/1
[R5-Tunnel0/0/1]nhrp entry multicast dynamic

第十步：修改优先级

R2配置

[R2]interface Tunnel 0/0/0
[R2-Tunnel0/0/0]os	
[R2-Tunnel0/0/0]ospf d	
[R2-Tunnel0/0/0]ospf dr-priority 0

R3配置

[R3]interface Tunnel 0/0/0
[R3-Tunnel0/0/0]o	
[R3-Tunnel0/0/0]ospf d	
[R3-Tunnel0/0/0]ospf dr-priority 0

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