ospf中的MGRE

要求：

 

1.搭建toop

 

2.地址规划

R1	G 0/0/0 192.168.1.1 24         G0/0/1 14.0.0.2 24    G0/0/2 41.0.0.2 24        tunn0/0/0 10.0.0.1 24源 g1 tunn 0/0/1 10.0.1.1 24 源 g2
R2	G 0/0/0 192.168.2.1 24        G0/0/2 24.0.0.2 24 tunn0/0/0 10.0.0.2 24 源 g2
R3	G 0/0/0 192.168.3.1 24         G0/0/2 34.0.0.2 24 tunn0/0/0 10.0.0.3 24
R4	G2/0/0 14.0.0.1 24 源 g1       G 0/0/0 41.0.0.1 24 G0/0/1 24.0.0.1 24        G 0/0/2 34.0.0.1 24 G 2/0/1 54.0.0.1 24        G2/0/2 64.0.0.1 24 loop0 8.8.8.8 24
R5	G0/0/2 54.0.0.2 24        G0/0/0 192.168.4.1 24 tunn 0/0/1 10.0.1.5 24源 g2
R6	G0/0/2 64.0.0.2 24        G0/0/0 192.168.5.1 24 tunn 0/0/1 10.0.1.6 24源 g2
PC1	192.168.1.2
PC2	192.168.2.2
PC3	192.168.3.2
PC4	192.168.4.2
PC5	192.168.5.2

3.ip地址配置

R1

[R1]interface GigabitEthernet 0/0/0
[R1-GigabitEthernet0/0/0]ip address 192.168.1.1 24

[R1]interface GigabitEthernet 0/0/2
[R1-GigabitEthernet0/0/2]ip address 41.0.0.2 24

[R1]interface GigabitEthernet 0/0/1
[R1-GigabitEthernet0/0/1]ip address 14.0.0.2 24

R2

[R2]interface GigabitEthernet 0/0/0
[R2-GigabitEthernet0/0/0]ip address 192.168.2.1 24

[R2]interface GigabitEthernet 0/0/2
[R2-GigabitEthernet0/0/2]ip address 24.0.0.2 24

R3

[R3]int GigabitEthernet 0/0/0
[R3-GigabitEthernet0/0/0]ip address 192.168.3.1 24

[R3]int GigabitEthernet 0/0/2
[R3-GigabitEthernet0/0/2]ip address 34.0.0.2 24

R4

[R4]int GigabitEthernet 2/0/0
[R4-GigabitEthernet2/0/0]ip address 14.0.0.1 24

[R4]int GigabitEthernet 0/0/0
[R4-GigabitEthernet0/0/0]ip address 41.0.0.1 24

[R4]int GigabitEthernet 0/0/1
[R4-GigabitEthernet0/0/1]ip address 24.0.0.1 24

[R4]int GigabitEthernet 0/0/2
[R4-GigabitEthernet0/0/2]ip add	
[R4-GigabitEthernet0/0/2]ip address 34.0.0.1 24

[R4]int GigabitEthernet 2/0/2
[R4-GigabitEthernet2/0/2]ip address 64.0.0.1 24

[R4]interface GigabitEthernet 2/0/1
[R4-GigabitEthernet2/0/1]ip address 54.0.0.1 24

[R4]int  LoopBack 0
[R4-LoopBack0]ip address 8.8.8.8 24

R5

[R5]int GigabitEthernet 0/0/0
[R5-GigabitEthernet0/0/0]ip address 192.168.4.1 24

[R5]int GigabitEthernet 0/0/2	
[R5-GigabitEthernet0/0/2]ip address 54.0.0.2 24

R6

[R6]interface GigabitEthernet 0/0/0
[R6-GigabitEthernet0/0/0]ip address 192.168.5.1 24

[R6]int GigabitEthernet 0/0/2
[R6-GigabitEthernet0/0/2]ip address 64.0.0.2 24

PC

其他相同

 

4.nat及缺省

R1

[R1]acl 2000
[R1-acl-basic-2000]rule permit source any 

[R1]int g 0/0/2
[R1-GigabitEthernet0/0/2]nat outbound 2000

[R1]int g 0/0/1
[R1-GigabitEthernet0/0/1]nat outbound 2000

[R1]ip route-static 0.0.0.0 0 14.0.0.1
[R1]ip route-static 0.0.0.0 0 41.0.0.1

R2

[R2]acl 2000
[R2-acl-basic-2000]rule permit source any 

[R2]int g 0/0/2
[R2-GigabitEthernet0/0/2]nat outbound 2000

[R2]ip route-static 0.0.0.0 0 24.0.0.1

R3

[R3]acl 2000
[R3-acl-basic-2000]rule permit source any 

[R3]int g 0/0/2
[R3-GigabitEthernet0/0/2]nat outbound 2000

[R3]ip route-static 0.0.0.0 0 34.0.0.1

R5

[R5]acl 2000
[R2-acl-basic-2000]rule permit source any 

[R5]int g 0/0/2
[R5-GigabitEthernet0/0/2]nat outbound 2000

[R5]ip route-static 0.0.0.0 0 54.0.0.1

R6

[R6]acl 2000
[R6-acl-basic-2000]rule permit source any 

[R6]int g 0/0/2
[R6-GigabitEthernet0/0/2]nat outbound 2000

[R6]ip route-static 0.0.0.0 0 64.0.0.1

5.mgre搭建

1.R1-2-3 构建一个星型，R1为中心

R1

[R1]interface Tunnel 0/0/0	
[R1-Tunnel0/0/0]tunnel-protocol gre p2mp 
[R1-Tunnel0/0/0]ip address 10.0.0.1 24
[R1-Tunnel0/0/0]source 14.0.0.2 
[R1-Tunnel0/0/0]nhrp network-id 10

R2

[R2]interface Tunnel 0/0/0
[R2-Tunnel0/0/0]tunnel-protocol gre p2mp 
[R2-Tunnel0/0/0]ip address 10.0.0.2 24
[R2-Tunnel0/0/0]source GigabitEthernet 0/0/2
[R2-Tunnel0/0/0]nhrp network-id 10
[R2-Tunnel0/0/0]nhrp entry 10.0.0.1 14.0.0.2 register 

R3

[R3]interface Tunnel 0/0/0
[R3-Tunnel0/0/0]tunnel-protocol gre p2mp 
[R3-Tunnel0/0/0]ip address 10.0.0.3 24
[R3-Tunnel0/0/0]source GigabitEthernet 0/0/2
[R3-Tunnel0/0/0]nhrp network-id 10
[R3-Tunnel0/0/0]nhrp entry 10.0.0.1 14.0.0.2 register 

R1-5-6构建另一个至连网状的NGRE网络，其中R1/5均为中心区域;

R1

[R1]interface Tunnel 0/0/1
[R1-Tunnel0/0/1]tunnel-protocol gre p2mp 
[R1-Tunnel0/0/1]ip add 10.0.1.1 24
[R1-Tunnel0/0/1]source 41.0.0.2 
[R1-Tunnel0/0/1]nhrp network-id 20
[R1-Tunnel0/0/1]nhrp entry 10.0.1.5 54.0.0.2 register 

R5

[R5]interface Tunnel 0/0/1
[R5-Tunnel0/0/1]tunnel-protocol gre p2mp 
[R5-Tunnel0/0/1]ip address 10.0.1.5 24
[R5-Tunnel0/0/1]source GigabitEthernet 0/0/2
[R5-Tunnel0/0/1]nhrp network-id 20
[R5-Tunnel0/0/1]nhrp entry 10.0.1.1 41.0.0.2 register 

R6

[R6]interface Tunnel 0/0/1	
[R6-Tunnel0/0/1]tunnel-protocol gre p2mp 
[R6-Tunnel0/0/1]ip address 10.0.1.6 24
[R6-Tunnel0/0/1]source GigabitEthernet 0/0/2
[R6-Tunnel0/0/1]nhrp network-id 20
[R6-Tunnel0/0/1]nhrp entry 10.0.1.1 41.0.0.2 register 
[R6-Tunnel0/0/1]nhrp entry 10.0.1.5 54.0.0.2 register

6.ospf搭建

R1

ospf 1 router-id 1.1.1.1 
 area 0.0.0.0 
  network 10.0.0.0 0.0.0.255 
  network 10.0.1.0 0.0.0.255 
  network 192.168.1.0 0.0.0.255 

interface Tunnel0/0/0
 ospf network-type broadcast
 ospf dr-priority 2
 nhrp entry multicast dynamic

interface Tunnel0/0/1
 ospf network-type broadcast
 nhrp entry multicast dynamic

R2

ospf 1 router-id 2.2.2.2 
 area 0.0.0.0 
  network 10.0.0.0 0.0.0.255 
  network 192.168.2.0 0.0.0.255 


interface Tunnel0/0/0
 ospf network-type broadcast
 nhrp entry multicast dynamic

R3

interface Tunnel0/0/0
 ospf network-type broadcast
 nhrp entry multicast dynamic

#
ospf 1 router-id 3.3.3.3 
 area 0.0.0.0 
  network 10.0.0.0 0.0.0.255 
  network 192.168.3.0 0.0.0.255 

R5

[R5]interface Tunnel 0/0/1
[R5-Tunnel0/0/1]nhrp entry multicast dynamic 
[R5-Tunnel0/0/1]ospf network-type broadcast 

	

[R5]ospf 1 router-id  5.5.5.5
[R5-ospf-1]area 0
[R5-ospf-1-area-0.0.0.0]network 10.0.1.0 0.0.0.255
[R5-ospf-1-area-0.0.0.0]network 192.168.4.0 0.0.0.255
[R5-ospf-1-area-0.0.0.0]

R6

[R6]interface Tunnel 0/0/1
[R6-Tunnel0/0/1]ospf network-type broadcast 
[R6-Tunnel0/0/1]nhrp entry multicast dynamic 


[R6]ospf 1 router-id 6.6.6.6
[R6-ospf-1]area 0
[R6-ospf-1-area-0.0.0.0]network 10.0.1.0 0.0.0.255
[R6-ospf-1-area-0.0.0.0]network 192.168.5.0 0.0.0.255

7.测试