R1#sh run
Building configuration...

Current configuration : 1012 bytes
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version 12.3
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
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hostname R1
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
ip subnet-zero
no ip icmp rate-limit unreachable
!
!
ip tcp synwait-time 5
no ip domain lookup
!
ip cef
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interface Loopback0
 ip address 192.168.3.1 255.255.255.255
!
interface FastEthernet0/0
 ip address 192.168.1.1 255.255.255.0
 duplex half
!
interface FastEthernet1/0
 ip address 192.168.3.129 255.255.255.252
 duplex auto
 speed auto
!
interface FastEthernet1/1
 no ip address
 shutdown
 duplex auto
 speed auto
!
router ospf 1
 log-adjacency-changes
 network 192.168.0.0 0.0.3.255 area 0
!
ip classless
no ip http server
!
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no cdp log mismatch duplex
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gatekeeper
 shutdown
!
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line con 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
 stopbits 1
line aux 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
 stopbits 1
line vty 0 4
 login
!
!
!
end