OSPF and mGRE experiments

Experimental Topology

Basic configuration

 Basic configuration 
[r1]int lo0
[r1-LoopBack0]ip a 1.1.1.1 24
[r1-LoopBack0]q
[r1]int g 0/0/1
[r1-GigabitEthernet0/0/1]ip a 10.0.0.1 24
[r1-GigabitEthernet0/0/1]q
[r1]int g 0/0/0
[r1-GigabitEthernet0/0/0]ip a 60.0.0.1 24
[r1-GigabitEthernet0/0/0]q
[r1]ip route-static 0.0.0.0 0 10.0.0.2
[r1]ip route-static 0.0.0.0 0 60.0.0.2
[r2]int lo0
[r2-LoopBack0]ip a 2.2.2.2 24
[r2-LoopBack0]q
[r2]int g 0/0/0
[r2-GigabitEthernet0/0/0]ip a 20.0.0.1 24
[r2-GigabitEthernet0/0/0]q
[r2]ip route-static 0.0.0.0 0 20.0.0.2
[r3]int lo0
[r3-LoopBack0]ip a 3.3.3.3 24
[r3-LoopBack0]q
[r3]int g 0/0/0
[r3-GigabitEthernet0/0/0]ip a 30.0.0.1 24
[r3-GigabitEthernet0/0/0]q
[r3]ip route-static 0.0.0.0 0 30.0.0.2
[r4]int lo0
[r4-LoopBack0]ip a 4.4.4.4 24
[r4-LoopBack0]q
[r4]int g 0/0/0
[r4-GigabitEthernet0/0/0]ip a 40.0.0.1 24
[r4-GigabitEthernet0/0/0]q
[r4]ip route-static 0.0.0.0 0 40.0.0.2
[r5]int lo0
[r5-LoopBack0]ip a 5.5.5.5 24
[r5-LoopBack0]q
[r5]int g 0/0/0
[r5-GigabitEthernet0/0/0]ip a 50.0.0.1 24
[r5-GigabitEthernet0/0/0]q
[r5]ip route-static 0.0.0.0 0 50.0.0.2
[r6]int lo0
[r6-LoopBack0]ip a 6.6.6.6 24
[r6-LoopBack0]q
[r6]int g 0/0/0
[r6-GigabitEthernet0/0/0]ip a 60.0.0.2 24
[r6-GigabitEthernet0/0/0]q
[r6]int g 0/0/1
[r6-GigabitEthernet0/0/1]ip a 10.0.0.2 24
[r6-GigabitEthernet0/0/1]q
[r6]int g 4/0/2
[r6-GigabitEthernet4/0/2]
[r6-GigabitEthernet4/0/2]ip a 20.0.0.2 24
[r6-GigabitEthernet4/0/2]q
[r6]int g 4/0/1
[r6-GigabitEthernet4/0/1]ip a 30.0.0.2 24
[r6-GigabitEthernet4/0/1]q
[r6]int g 4/0/0
[r6-GigabitEthernet4/0/0]ip a 40.0.0.2 24
[r6-GigabitEthernet4/0/0]q
[r6]int g 0/0/2
[r6-GigabitEthernet0/0/2]ip a 50.0.0.2 24
[r6-GigabitEthernet0/0/2]q

  Configure the whole company MGRE

[r4]int tunnel 0/0/0
[r4-Tunnel0/0/0]ip a 192.168.1.4 24
[r4-Tunnel0/0/0]tunnel-protocol gre  p2mp
[r4-Tunnel0/0/0]source 40.0.0.1
[r1-Tunnel0/0/1]nhrp entry multicast dynamic
[r1-Tunnel0/0/1]nhrp entry 192.168.1.1 10.0.0.1 register 
[r1-Tunnel0/0/1]nhrp entry 192.168.1.5 50.0.0.1 register 
[r1-Tunnel0/0/1]q
[r5]int tunnel 0/0/0
[r5-Tunnel0/0/0]ip a 192.168.1.5 24
[r5-Tunnel0/0/0]tunnel-protocol gre p2mp
[r5-Tunnel0/0/0]source 50.0.0.1 
[r1-Tunnel0/0/1]nhrp entry multicast dynamic
[r1-Tunnel0/0/1]nhrp entry 192.168.1.1 10.0.0.1 register 
[r1-Tunnel0/0/1]nhrp entry 192.168.1.4 40.0.0.1 register
[r1]int tunnel 0/0/1
[r1-Tunnel0/0/1]ip a 192.168.1.1 24
[r1-Tunnel0/0/1]tunnel-protocol gre p2mp
[r1-Tunnel0/0/1]source 10.0.0.1
[r1-Tunnel0/0/1]nhrp entry multicast dynamic
[r1-Tunnel0/0/1]nhrp entry 192.168.1.4 40.0.0.1 register 
[r1-Tunnel0/0/1]nhrp entry 192.168.1.5 50.0.0.1 register 
[r1-Tunnel0/0/1]q

Configure star MGRE

[r1]interface Tunnel 0/0/0  
[r1-Tunnel0/0/0]ip address 192.168.2.1 24 
[r1-Tunnel0/0/0]tunnel-protocol gre p2mp   
[r1-Tunnel0/0/0]source 60.0.0.1   
[r1-Tunnel0/0/0]nhrp entry multicast dynamic   
[r1-Tunnel0/0/0]nhrp network-id 100 
[r2]interface Tunnel 0/0/0
[r2-Tunnel0/0/0]ip address 192.168.2.2 24
[r2-Tunnel0/0/0]tunnel-protocol gre p2mp 
[r2-Tunnel0/0/0]source GigabitEthernet 0/0/0  
[r2-Tunnel0/0/0]nhrp entry 192.168.2.1 60.0.0.1 register  
[r3]interface Tunnel 0/0/0
[r3-Tunnel0/0/0]ip address 192.168.2.3 24
[r3-Tunnel0/0/0]tunnel-protocol gre p2mp 
[r3-Tunnel0/0/0]source GigabitEthernet 0/0/0  
[r3-Tunnel0/0/0]nhrp entry 192.168.2.1 60.0.0.1 register 

OSPF To configure

[R1]ospf 1 router-id 1.1.1.1
[R1-ospf-1]area 0	
[R1-ospf-1-area-0.0.0.0]network 1.1.1.1 0.0.0.0
[R1-ospf-1-area-0.0.0.0]network 10.0.0.1 0.0.0.0
[R1-ospf-1-area-0.0.0.0]network 60.0.0.1 0.0.0.0
[R2]ospf 1 router-id 2.2.2.2
[R2-ospf-1]area 0	
[R2-ospf-1-area-0.0.0.0]network 2.2.2.2 0.0.0.0
[R2-ospf-1-area-0.0.0.0]network 20.0.0.1 0.0.0.0
[R3]ospf 1 router-id 3.3.3.3
[R3-ospf-1]area 0	
[R3-ospf-1-area-0.0.0.0]network 3.3.3.3 0.0.0.0
[R3-ospf-1-area-0.0.0.0]network 30.0.0.1 0.0.0.0
[R4]ospf 1 router-id 4.4.4.4
[R4-ospf-1]area 0	
[R4-ospf-1-area-0.0.0.0]network 4.4.4.4 0.0.0.0
[R4-ospf-1-area-0.0.0.0]network 40.0.0.1 0.0.0.0
[R5]ospf 1 router-id 5.5.5.5
[R5-ospf-1]area 0	
[R5-ospf-1-area-0.0.0.0]network 5.5.5.5 0.0.0.0
[R5-ospf-1-area-0.0.0.0]network 50.0.0.1 0.0.0.0
[R1]interface Tunnel 0/0/0
[R1-Tunnel0/0/0]ospf network-type broadcast 
[R2]interface Tunnel 0/0/0
[R2-Tunnel0/0/0]ospf dr-priority 0
[R3]interface Tunnel 0/0/0
[R3-Tunnel0/0/0]ospf dr-priority 0

test