! hostname R_A ! interface Ethernet0 ip address 200.200.200.1 255.255.255.252 half-duplex ! interface FastEthernet0 ip address 192.168.1.1 255.255.255.0 speed auto ! end
! hostname R_B ! interface Ethernet0 ip address 200.200.200.2 255.255.255.252 half-duplex ! end