Current configuration : 1037 bytes ! version 12.3 service timestamps debug datetime msec service timestamps log datetime msec no service password-encryption ! hostname RouterI ! boot-start-marker boot-end-marker ! ! memory-size iomem 10 no network-clock-participate slot 1 no network-clock-participate wic 0 no aaa new-model ip subnet-zero ip cef ! ! ! ip audit po max-events 100 ipv6 unicast-routing ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! interface Loopback0 ip address 10.123.123.1 255.255.255.0 ipv6 address 2001:410:1:2::/64 eui-64 ipv6 rip CCNA enable ! interface FastEthernet0/0 no ip address shutdown 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 ip address 10.23.23.1 255.255.255.0 ipv6 address 2001:410:1:1::/64 eui-64 ipv6 rip CCNA enable ! router eigrp 100 network 10.0.0.0 auto-summary ! ip http server no ip http secure-server ip classless ! ! ipv6 router rip CCNA ! ! ! ! ! ! ! line con 0 line aux 0 line vty 0 4 ! ! end