enable configure terminal no ip domain-lookup service password-encryption hostname R1 enable secret class line console 0 password cisco login logging synchronous exit line vty 0 4 password cisco login exit banner motd #Unauthorized access prohibited# interface g0/0 ip address 10.0.10.2 255.255.255.252 no shutdown exit interface g0/1 ip address 192.168.23.1 255.255.255.0 no shutdown exit router ospf 1 network 10.0.10.0 0.0.0.3 area 1 network 192.168.23.0 0.0.0.255 area 1 passive-interface g0/1 end copy running-config startup-config