R2

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version 15.1
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
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hostname R2
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ip cef
no ipv6 cef
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license udi pid CISCO2911/K9 sn FTX15241NIP-
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spanning-tree mode pvst
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interface GigabitEthernet0/0
 ip address 222.222.222.222 255.255.255.0
 ip nat outside
 duplex auto
 speed auto
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interface GigabitEthernet0/1
 ip address 172.16.1.57 255.255.255.252
 ip nat inside
 duplex auto
 speed auto
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interface GigabitEthernet0/2
 ip address 172.16.1.61 255.255.255.252
 ip nat inside
 duplex auto
 speed auto
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interface Vlan1
 no ip address
 shutdown
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router ospf 10
 router-id 2.2.2.2
 log-adjacency-changes
 network 192.168.10.0 0.0.0.255 area 0
 network 192.168.20.0 0.0.0.255 area 0
 network 192.168.30.0 0.0.0.255 area 0
 network 192.168.40.0 0.0.0.255 area 0
 network 192.168.50.0 0.0.0.255 area 0
 network 192.168.60.0 0.0.0.255 area 0
 network 172.16.0.0 0.0.255.255 area 0
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ip nat inside source list NAT interface GigabitEthernet0/0 overload
ip classless
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ip flow-export version 9
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ip access-list standard NAT
 permit any
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no cdp run
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line con 0
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line aux 0
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line vty 0 4
 login
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end