!
version 12.3
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R1
!
boot-start-marker
boot-end-marker
!
!
memory-size iomem 10
no aaa new-model
ip subnet-zero
!
!
no ip domain lookup
!
ip cef
!
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interface Loopback0
 ip address 1.1.1.1 255.255.255.255
!
interface Loopback1
 ip address 11.11.11.11 255.255.255.255
!
interface Ethernet0/0
 ip address 208.28.1.66 255.255.255.240
 half-duplex
 no shutdown
!
interface Serial0/0
 no ip address
 encapsulation frame-relay
 no fair-queue
 no shutdown
!
interface Serial0/0.1 point-to-point
 bandwidth 128
 ip address 208.28.1.1 255.255.255.248
 ip ospf network non-broadcast
 ip ospf priority 0
 frame-relay interface-dlci 103   
 no shutdown
!
interface Serial0/0.2 point-to-point
 bandwidth 128
 ip address 180.40.7.66 255.255.255.224
 ip ospf authentication-key bosco
 frame-relay interface-dlci 102   
 no shutdown
!
interface Ethernet0/1
 no ip address
 shutdown
 half-duplex
!
interface Serial0/1
 no ip address
 shutdown
!
router ospf 1
 router-id 1.1.1.1
 log-adjacency-changes
 auto-cost reference-bandwidth 1000
 area 0 authentication
 area 51 nssa no-summary
 area 51 default-cost 10 
 area 200 virtual-link 3.3.3.3 authentication-key bosco
 redistribute connected subnets
 network 11.11.11.11 0.0.0.0 area 51
 network 180.40.7.66 0.0.0.0 area 0
 network 208.28.1.1 0.0.0.0 area 200
 network 208.28.1.66 0.0.0.0 area 51
!
no ip http server
ip classless
!
!
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!
line con 0
 exec-timeout 0 0
 logging synchronous
line aux 0
line vty 0 4
!
!
end