Router_1: configure terminal ! hostname Router_1 ! interface FastEthernet0/0 ip address 189.1.16.1 255.255.255.0 no shutdown ! interface FastEthernet0/1.1 no shutdown ! interface FastEthernet0/1.17 ip address 189.1.17.1 255.255.255.0 no shutdown ! interface Serial0/0 encapsulation frame-relay ip address 189.1.135.1 255.255.255.0 no shutdown ! interface loopback0 ip address 140.1.1.1 255.255.255.0 ! end ! write memory