OSPF LAB 1

this scenario is about the OSPF multi area connection through Virtual link 

http://s3.picofile.com/file/7532681719/ospf2.jpg

packet tracer file 

Router 3

Router3(config)#inTERFACE FAstEthernet 0/0

Router3(config-if)#IP ADDRESS 4.0.0.2 255.255.255.0

Router3(config-if)#no shut

Router3(config-if)#exit

Router3(config)#interface loopback 0

Router3(config-if)#ip address 172.16.4.1 255.255.255.0

Router3(config-if)#inTERFACE FAstEthernet 0/0

Router3(config-if)#IP ADDRESS 4.0.0.2 255.0.0.0

Router3(config-if)#exit

Router3(config)#router ospf 10

Router3(config-router)#network 4.0.0.0 0.255.255.255 area 0

Router3(config-router)#network 172.16.4.0 0.0.0.255 area 0

//////////////////////////////////////////////////////

ROUTER 2

Router2(config)#int fast 0/0

Router2(config-if)#ip address 4.0.0.1 255.0.0.0

Router2(config-if)#exit

Router2(config-if)#int fast 1/0

Router2(config-if)#ip address 3.0.0.2 255.0.0.0

Router2(config-if)#no shut

Router2(config-if)#int fast 0/0

Router2(config-if)#no shut

Router2(config-if)#exit

Router2(config)#int fast 0/1

Router2(config-if)#ip address 2.0.0.2 255.0.0.0

Router2(config-if)#no shut

Router2(config-if)#

Router2(config-if)#

Router2(config-if)#exit

Router2(config)#router ospf 0

Router2(config)#router ospf 10

Router2(config-router)#network 4.0.0.0 0.255.255.255 area 0

Router2(config-router)#network 2.0.0.0 0.255.255.255 area 1

Router2(config-router)#network 3.0.0.0 0.255.255.255 area 1

Router2(config-router)#area 1 virtual-link 5.0.0.1

/////////////////////////////////////////////////////////////

Router0(config)#int fast 0/0

Router0(config-if)#ip address 2.0.0.1 255.0.0.0

Router0(config-if)#no shut

Router0(config-if)#exit

Router0(config)#int fast 0/1

Router0(config-if)#ip address 1.0.0.2 255.0.0.0

Router0(config-if)#no shut

Router0(config-if)#exit

Router0(config)#router ospf 10

Router0(config-router)#network 2.0.0.0 0.255.255.255 area 1

Router0(config-router)#network 1.0.0.0 0.255.255.255 area 1

Router0(config-router)#exit

Router0(config-if)#ip ad

Router0(config-if)#ip address 100.0.0.1 255.255.255.0

Router0(config-if)#no shut

Router0(config-if)#exit

Router0(config)#router ospf 10

Router0(config-router)#network 100.0.0.0 0.0.0.255 area 1

Router0(config-router)#

/////////////////////////////////////////////////////////

Router 1

Router1(config)#int fast 0/0

Router1(config-if)#ip address 3.0.0.1 255.0.0.0

Router1(config-if)#no shut

Router1(config-if)#int fast 0/1

Router1(config-if)#ip address 1.0.0.1 255.0.0.0

Router1(config-if)#no shutdown 

Router1(config-if)#exit

Router1(config)#router ospf 10

Router1(config-router)#network 1.0.0.0 0.255.255.255

Router1(config-router)#network 1.0.0.0 0.255.255.255 area 1

Router1(config-router)#network 3.0.0.0 0.255.255.255 area 1

Router1(config-router)#

Router1(config-router)# area 1 virtual-link 4.0.0.1

Router1(config-router)#area 2 virtual-link 1.0.0.1

Router1(config-router)#area 1 virtual-link 5.0.0.1

Router1(config)#interface fastEthernet 1/0

Router1(config-if)#ip address 5.0.0.1 255.0.0.0

Router1(config-if)#no shut

Router1(config-if)#exit

Router1(config)#router ospf 10

Router1(config-router)#network 5.0.0.0 0.255.255.255 area 2

Router1(config-router)#

////////////////////////////////////////////////////////////

Router 4

Router4(config)#interface fastEthernet 0/0

Router4(config-if)#ip address 5.0.0.2 255.0.0.0

Router4(config-if)#no shut

Router4(config-if)#exit

Router4(config)#interface loopback 0

Router4(config-if)#ip address 200.0.0.1 255.255.255.0

Router4(config-if)#exit

Router4(config)#router ospf 10

Router4(config-router)#network 5.0.0.0 0.255.255.255 area 2

Router4(config-router)#network 200.0.0.0 0.0.0.255 area 2

Router4(config-router)#