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Chapter 5
Interconnecting OSPF Areas
interface Ethernet1
ip address 3.3.3.1 255.255.255.0
!
router ospf 10
network 1.0.0.0 0.255.255.255 area 0
network 3.0.0.0 0.255.255.255 area 0
RouterB
interface Loopback0
ip address 5.5.5.1 255.255.255.0
!
interface Ethernet0
ip address 3.3.3.2 255.255.255.0
!
interface Ethernet1
ip address 4.4.4.1 255.255.255.0
!
router ospf 10
network 3.0.0.0 0.255.255.255 area 0
network 4.0.0.0 0.255.255.255 area 10
area 10 virtual-link 6.6.6.1
RouterC
interface Loopback0
ip address 6.6.6.1 255.255.255.0
!
interface Ethernet0
ip address 4.4.4.2 255.255.255.0
!
interface Ethernet1
ip address 7.7.7.1 255.255.255.0
!
router ospf 10
network 4.0.0.0 0.255.255.255 area 10
network 7.0.0.0 0.255.255.255 area 20
area 10 virtual-link 5.5.5.1
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