!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R1
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 10
no network-clock-participate slot 1 
no network-clock-participate wic 0 
ip cef
!
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no ip domain lookup
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interface FastEthernet0/0
 no ip address
 speed auto
 duplex auto
 no shutdown
!
interface Serial0/0
 no ip address
 no shutdown
!
interface FastEthernet0/1
 ip address 20.10.2.2 255.255.255.0
 speed auto
 half-duplex
 no keepalive
 no shutdown
!
interface Serial0/1
 no ip address
 shutdown
!
router ospf 1
 log-adjacency-changes
 network 0.0.0.0 255.255.255.255 area 0
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no ip http server
no ip http secure-server
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control-plane
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dial-peer cor custom
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line con 0
 exec-timeout 0 0
 logging synchronous
line aux 0
line vty 0 4
 privilege level 15
 no login
!
!
end