OPSF configuration

FIGURE 6 . 7 OPSF configuration example continued—not-so-stubby area configuration
RouterD
RouterC RouterB
RouterA
e0 e0
e1
e1 e0 e0
Area 1 Area 0
Ethernet
e1 e1
Ethernet
RIP OSPF OSPF
172.16.2.1/24 172.16.1.2/24
172.16.1.1/24
1.1.1.2/24
1.1.1.1/24
10.1.2.2/24
10.1.2.1/24
10.1.1.1/24
Not-So-Stubby Area
190 Chapter 6  Interconnecting OSPF Areas
RouterA
interface Ethernet0
ip address 10.1.1.1 255.255.255.0
!
interface Ethernet1
ip address 10.1.2.1 255.255.255.0
!
router ospf 24
network 10.0.0.0 0.255.255.255 area 0
RouterB
interface Ethernet0
ip address 10.1.2.2 255.255.255.0
!
interface Ethernet1
ip address 1.1.1.1 255.255.255.0
!
router ospf 24
network 10.0.0.0 0.255.255.255 area 0
network 1.0.0.0 0.255.255.255 area 1
area 0 range 10.0.0.0 255.0.0.0
area 1 nssa
RouterC
interface Ethernet0
ip address 1.1.1.2 255.255.255.0
!
interface Ethernet1
ip address 172.16.1.1 255.255.255.0
!
router ospf 24
redistribute rip
network 1.0.0.0 0.255.255.255 area 1
default-metric 128
area 1 nssa
!
router rip
Not-So-Stubby Area Configuration 191
redistribute ospf 24
network 172.16.0.0
default-metric 3
RouterD
interface Ethernet0
ip address 172.16.1.2 255.255.255.0
!
interface Ethernet1
ip address 172.16.2.1 255.255.255.0
!
router rip
network 172.16.0.0