Building configuration... Current configuration : 801 bytes ! version 12.3 service timestamps debug datetime msec service timestamps log datetime msec no service password-encryption ! hostname ISP1 ! boot-start-marker boot-end-marker ! ! no network-clock-participate slot 1 no network-clock-participate wic 0 no aaa new-model ip subnet-zero ip cef ! ! ! no ip domain lookup no ftp-server write-enable ! ! ! ! interface Loopback1 ip address 200.20.20.1 255.255.255.255 ! interface FastEthernet0/0 ip address 172.16.0.1 255.255.255.0 duplex auto speed auto ! interface Serial0/0 no ip address shutdown ! interface FastEthernet0/1 no ip address shutdown duplex auto speed auto ! interface Serial0/1 no ip address shutdown ! ip classless ip route 0.0.0.0 0.0.0.0 FastEthernet0/0 ip http server ! ! line con 0 line aux 0 line vty 0 4 login ! ! ! end