configure terminal ! hostname Router_5 ! interface FastEthernet0/0 ip address 157.1.245.5 255.255.255.0 no shutdown ! interface FastEthernet0/1 ip address 157.1.58.5 255.255.255.0 no shutdown ! interface Serial0/0 encapsulation frame-relay ip address 157.1.155.5 255.255.255.0 no shutdown ! interface loopback0 ip address 170.1.5.5 255.255.255.0 ! end ! write memory