OSPF - All 4 Special Areas Lab

! R1 Configuration

hostname R1
interface Loopback0
 ip address 10.1.1.1 255.255.255.255

interface Serial0/0
 ip address 1.1.1.1 255.255.255.252
no shut

interface Serial0/1
 ip address 2.2.2.1 255.255.255.252
no shut

interface Serial0/2
 ip address 3.3.3.1 255.255.255.252
no shut

router ospf 10
 network 1.1.1.0 0.0.0.3 area 0
 network 2.2.2.0 0.0.0.3 area 1
 network 3.3.3.0 0.0.0.3 area 2
 area 1 stub
 area 2 stub no-summary
 redistribute connected subnets



! R4 Configuration

hostname R4
interface Loopback0
 ip address 40.1.1.1 255.255.255.255

interface Serial0/0
 ip address 2.2.2.2 255.255.255.252
no shut

router ospf 10
 network 2.2.2.0 0.0.0.3 area 1
 area 1 stub
 redistribute connected subnets


! R6 Configuration

hostname R6
interface Loopback0
 ip address 60.1.1.1 255.255.255.255
!
interface Serial0/0
 ip address 4.4.4.2 255.255.255.252
no shut
!
router ospf 10
 network 4.4.4.0 0.0.0.3 area 3
 area 3 nssa
 redistribute connected subnets

! R2 Configuration

hostname R2
interface Loopback0
 ip address 20.1.1.1 255.255.255.255

interface Serial0/0
 ip address 1.1.1.2 255.255.255.252
no shut

interface Serial0/1
 ip address 4.4.4.1 255.255.255.252
no shut

interface Serial0/2
 ip address 5.5.5.1 255.255.255.252
no shut

router ospf 10
 network 1.1.1.0 0.0.0.3 area 0
 network 4.4.4.0 0.0.0.3 area 3
 network 5.5.5.0 0.0.0.3 area 4
 area 3 nssa default-information-originate
 area 4 nssa no-summary
 redistribute connected subnets



! R5 Configuration

hostname R5
interface Loopback0
 ip address 50.1.1.1 255.255.255.255

interface Serial0/0
 ip address 3.3.3.2 255.255.255.252
no shut

router ospf 10
 network 3.3.3.0 0.0.0.3 area 2
 area 2 stub no-summary
 redistribute connected subnets


! R7 Configuration

hostname R7
interface Loopback0
 ip address 70.1.1.1 255.255.255.255
!
interface Serial0/0
 ip address 5.5.5.2 255.255.255.252
no shut

router ospf 10
 network 5.5.5.0 0.0.0.3 area 4
 area 4 nssa no-summary
 redistribute connected subnets

Verification commands:
Show ip route
Show ip ospf border-router
Show ip ospf interface s0/0
show ip ospf neighbor
show ip ospf database
Debug ip ospf adj
Debug ip ospf packet