configure terminal ! interface Loopback0 ip address 140.1.5.5 255.255.255.0 ! interface Serial0/0 ip address 147.1.156.5 255.255.255.0 encapsulation frame-relay no shutdown ! interface FastEthernet0/1 ip address 147.1.58.5 255.255.255.0 duplex auto speed auto no shutdown ! end ! write memory