MGRE环境下的OSPF实验

一.拓扑

二.实验要求

R6为ISP只能配置IP地址，

R1-R5的环回为私有网段R1/4/5为全连的MGRE结构，R1/2/3为星型的拓扑结构，R1为中心站点

所有私有网段可以互相通讯，私有网段使用osPF完成

三..配置

[r1]int g 0/0/0
 
[r1-GigabitEthernet0/0/0]ip address 16.0.0.0 24
 
[r1]int g 0/0/1
 
[r1-GigabitEthernet0/0/1]ip address 160.0.0.0 24
 
[r1]int l0
 
[r1-LoopBack0]ip address 192.168.1.1 24

[r2]int g 0/0/0
 
[r2-GigabitEthernet0/0/0]ip address 26.0.0.1 24

[r2]int l 0
 
[r2-LoopBack0]ip address 192.168.2.1 24

[r3]int g 0/0/0
 
[r3-GigabitEthernet0/0/0]ip address 36.0.0.1 24

[r3]int l 0
 
[r3-LoopBack0]ip address 192.168.3.1 24

[r4]int g 0/0/0
 
[r4-GigabitEthernet0/0/0]ip address 46.0.0.1 24

[r4]int l 0
 
[r4-LoopBack0]ip address 192.168.4.1 24

[r5]int g 0/0/0
 
[r5-GigabitEthernet0/0/0]ip address 56.0.0.1 24

[r5]int l 0
 
[r5-LoopBack0]ip address 192.168.5.1 24

[ISP]int L 0
[ISP-LoopBack0]ip address 192.168.6.6 24
[ISP-GigabitEthernet0/0/1]ip address 160.0.0.2 24
[ISP-GigabitEthernet0/0/0]ip address 16.0.0.2 24
[ISP-GigabitEthernet2/0/0]ip address 26.0.0.2 24
[ISP-GigabitEthernet3/0/0]ip address 36.0.0.2 24
[ISP-GigabitEthernet4/0/0]ip address 46.0.0.2 24
[ISP-GigabitEthernet0/0/2]ip address 56.0.0.2 24

缺省路由

[R1]ip route-static 0.0.0.0 0 160.0.0.2
[R1]ip route-static 0.0.0.0 0 16.0.0.2
[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

r1/4/5为全连的MGRE结构

[R1]int Tunnel 0/0/0
[R1-Tunnel0/0/0]ip address 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 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]int Tunnel 0/0/0
[R4-Tunnel0/0/0]ip address 192.168.6.2 24
[R4-Tunnel0/0/0]tunnel-protocol gre p2mp 	
[R4-Tunnel0/0/0]source 46.0.0.1	
[R4-Tunnel0/0/0]nhrp network-id 100
[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]int Tunnel 0/0/0	
[R5-Tunnel0/0/0]ip address 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 192.168.6.1 16.0.0.1 register 
[R5-Tunnel0/0/0]nhrp entry 192.168.6.2 46.0.0.1 register

r1/2/3为星型拓扑结构，r1为中心站点

[R1]int Tunnel 0/0/1	
[R1-Tunnel0/0/1]ip address 192.168.7.1 24	
[R1-Tunnel0/0/1]tunnel-protocol gre p2mp 
[R1-Tunnel0/0/1]source 160.0.0.1
[R1-Tunnel0/0/1]nhrp network-id 100
[R1-Tunnel0/0/1]nhrp entry multicast dynamic 
 
 
[R2]int Tunnel 0/0/1
[R2-Tunnel0/0/1]ip address 192.168.7.2 24	
[R2-Tunnel0/0/1]tunnel-protocol gre p2mp 
[R2-Tunnel0/0/1]nhrp network-id 100	
[R2-Tunnel0/0/1]source GigabitEthernet 0/0/0
[R2-Tunnel0/0/1]nhrp entry 192.168.7.1 160.0.0.1 register 
 
 
[R3]int Tunnel 0/0/1
[R3-Tunnel0/0/1]ip address 192.168.7.3 24	
[R3-Tunnel0/0/1]tunnel-protocol gre p2mp 	
[R3-Tunnel0/0/1]source GigabitEthernet 0/0/0
[R3-Tunnel0/0/1]nhrp network-id 100
[R3-Tunnel0/0/1]nhrp entry 192.168.7.1 160.0.0.1 register

所有私有网段可以互相通讯，私有网段使用osPF完成

[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 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]area 0
[R2-ospf-1-area-0.0.0.0]network 192.168.7.0 0.0.0.255
[R2-ospf-1-area-0.0.0.0]network 192.168.2.0 0.0.0.255
  
[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 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]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 router-id 5.5.5.5
[R5-ospf-1]a 	
[R5-ospf-1]area 0
[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

[R1]int t 0/0/0
[R1-Tunnel0/0/0]ospf network-type broadcast 
[R1-Tunnel0/0/0]int t 0/0/1
[R1-Tunnel0/0/1]ospf network-type broadcast 
 
[R2]int t 0/0/1
[R2-Tunnel0/0/1]ospf network-type broadcast 
  
[R3-ospf-1]int t 0/0/1	
[R3-Tunnel0/0/1]ospf network-type broadcast 
  
[R4]int t 0/0/0
[R4-Tunnel0/0/0]ospf network-type broadcast 
  
[R5-ospf-1]int t 0/0/0
[R5-Tunnel0/0/0]ospf network-type broadcast 

[R2-Tunnel0/0/1]int t 0/0/1
[R2-Tunnel0/0/1]ospf dr-priority 0
  
[R3-Tunnel0/0/1]int t 0/0/1
[R3-Tunnel0/0/1]ospf dr-priority 0

测试

MGRE环境下的OSPF实验

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