ip ssh authentication-retries 3 ip ssh dh min size 2048 ip ssh dscp 56 ip ssh logging events ip ssh source-interface lo0 ip ssh time-out 10 ip ssh version 2 ! username cisco privilege 15 noescape user-maxlinks 1 secret 0 cisco ! line vty 0 15 exec-timeout 60 0 password cisco logging synchronous login local transport preferred none transport input telnet ssh