首先配置好telnet和console的访问，而后进入配置模式ssh
ip http serveride
ip http secure-serverserver
ip http authentication localip
user name <cisco> privilege 15 password 0 <cisco> 配置用户为cisco，密码ciscoci
line vty 0 4input
privilege level 15it
login localio
transport input telentconsole
transport input telnet sshclass
可选 logging buffered 51200 warning