R4#conf t
R4(config)#enable secret cisco
R4(config)#service password-encryption
R4(config)#no ip domain lookup

R4(config)#line con 0
R4(config-line)#password cisco
R4(config-line)#login
R4(config-line)#exec-timeout 0 0
R4(config-line)#logging synchronous

R4(config)#hostname R4
R4(config)#ip domain-name htlac.com
R4(config)#username user password password
R4(config)#crypto key generate rsa modulus 1024
R4(config)#ip ssh version 2

R4(config)#line vty 0 4
R4(config-line)#password cisco
R4(config-line)#login
R4(config-line)#exec-timeout 0 0
R4(config-line)#logging synchronous
R4(config-line)#transport input ssh telnet

R4(config-line)#end
R4#copy run start