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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 R4
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boot-start-marker
boot-end-marker
!
logging buffered 4096 debugging
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no aaa new-model
ip subnet-zero
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ip cef
no ip domain lookup
!
ip multicast-routing 
ip audit po max-events 100
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interface Loopback0
 ip address 4.4.4.4 255.255.255.0
 ip pim sparse-dense-mode
 ip igmp join-group 224.4.4.4
!
interface Tunnel0
 ip address 24.24.24.4 255.255.255.0
 ip pim sparse-dense-mode
 keepalive 10 3
 tunnel source Loopback0
 tunnel destination 2.2.2.2
 no shutdown
!
interface FastEthernet0/0
 ip address 180.40.7.130 255.255.255.224
 ip nat inside
 ip pim state-refresh origination-interval 8
 ip pim sparse-dense-mode
 speed auto
 duplex auto
 no shutdown
!
interface ATM1/0
 ip address 192.10.32.11 255.255.255.0
 ip nat outside
 no atm ilmi-keepalive
 pvc 0/72 
  protocol ip 192.10.32.254 broadcast
 !
 no shutdown
!
router ospf 1
 log-adjacency-changes
 network 4.4.4.4 0.0.0.0 area 51
 network 180.40.7.130 0.0.0.0 area 51
 network 0.0.0.0 255.255.255.255 area 0
!
ip nat inside source list IPNAT interface ATM1/0 overload
no ip http server
no ip http secure-server
ip classless
!
ip pim bidir-enable
ip pim spt-threshold 1
!
!
ip access-list standard IPNAT
 permit 180.40.7.0 0.0.0.255
 permit 17.0.0.0 0.255.255.255
ip access-list standard NoLoop
 deny   2.2.2.2
 permit any
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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